Academic anthologies

Abrahamsen, Petter; Kolbjørnsen, Odd; Hauge, Ragnar (eds). Geostatistics Oslo 2012. Springer. (ISBN 978-94-007-4152-2). pp 573. 2012. Full-text 

Academic journal articles

Kolbjørnsen, Odd; Buland, Arild; Hauge, Ragnar; Røe, Per; Ndingwan, Abel Onana; Aker, Eyvind. Bayesian seismic inversion for stratigraphic horizon, lithology, and fluid prediction. Geophysics (ISSN 0016-8033). 85(3) pp R207. doi: 10.1190/geo2019-0170.1. 2020. Institutional archive 

Aarnes, Ingrid; van der Vegt, Helena; Hauge, Ragnar; Fjellvoll, Bjørn; Nordahl, Kjetil. Utilizing sedimentary process-based models as training images for multipoint facies simulations. Bulletin of Canadian petroleum geology (ISSN 0007-4802). 67(4) pp 217-230. doi: 10.35767/gscpgbull.67.4.217. 2019.

Aker, Eyvind; Tveiten, Ole Gunnar; Wynn, Tim. Seismic pore pressure prediction at the Halten Terrace in the Norwegian Sea. Petroleum Geoscience (ISSN 1354-0793). 26(2) pp 346-354. doi: 10.1144/petgeo2019-053. 2019.

Bárbara, Carla Patricia; Cabello, Patrícia; Bouche, Alexandre; Aarnes, Ingrid; Gordillo, Carlos; Ferrer, Oriol; Roma, Maria; Arbués, Pau. Quantifying the impact of the structural uncertainty on the gross rock volume in the Lubina and Montanazo oil fields (Western Mediterranean). Solid Earth (SE) (ISSN 1869-9510). 10(5) pp 1597-1619. doi: 10.5194/se-10-1597-2019. 2019.

Lilleborge, Marie; Hofvind, Solveig; Sebuødegård, Sofie; Hauge, Ragnar. Optimizing performance of BreastScreen Norway using value of information in graphical models. Statistics in Medicine (ISSN 0277-6715). 37(9) pp 1531-1549. doi: 10.1002/sim.7601. 2018.

Hauge, Ragnar; Vigsnes, Maria; Fjellvoll, Bjørn; Vevle, Markus Lund; Skorstad, Arne. Object-Based Modeling with Dense Well Data. Quantitative Geology and Geostatistics (ISSN 0924-1973). 19 pp 557-572. doi: 10.1007/978-3-319-46819-8_37. 2017.

Hauge, Vera Louise; Hermansen, Gudmund Horn. Machine Learning Methods for Sweet Spot Detection: A Case Study. Quantitative Geology and Geostatistics (ISSN 0924-1973). 19 pp 573-588. doi: 10.1007/978-3-319-46819-8_38. 2017.

Olsen, Håvard Goodwin; Hermansen, Gudmund Horn. Recent Advancements to Nonparametric Modeling of Interactions Between Reservoir Parameters. Quantitative Geology and Geostatistics (ISSN 0924-1973). 19 pp 653-669. doi: 10.1007/978-3-319-46819-8_44. 2017.

Stordal, Frode; Svensen, Henrik; Aarnes, Ingrid; Roscher, Marco. Global temperature response to century-scale degassing from the Siberian Traps Large igneous province. Palaeogeography, Palaeoclimatology, Palaeoecology (ISSN 0031-0182). 471 pp 96-107. doi: 10.1016/j.palaeo.2017.01.045. 2017.

Vigsnes, Maria; Kolbjørnsen, Odd; Hauge, Vera Louise; Dahle, Pål; Abrahamsen, Petter. Fast and Accurate Approximation to Kriging Using Common Data Neighborhoods. Mathematical Geosciences (ISSN 1874-8961). 49(5) pp 619-634. doi: 10.1007/s11004-016-9665-7. 2017.

Fachri, Muhammad; Tveranger, Jan; Braathen, Alvar; Røe, Per. Volumetric faults in field-sized reservoir simulation models: A first case study. American Association of Petroleum Geologists Bulletin (ISSN 0149-1423). 100(5) pp 795-817. doi: 10.1306/02011614118. 2016. Full-text 

Jensen, Erling Hugo; Hauge, Ragnar; Ulvmoen, Marit; Johansen, Tor Arne; Drottning, Åsmund. Rock.XML - Towards a library of rock physics models. Computers & Geosciences (ISSN 0098-3004). 93 pp 63-69. doi: 10.1016/j.cageo.2016.04.011. 2016.

Kolbjørnsen, Odd; Buland, Arild; Hauge, Ragnar; Røe, Per; Jullum, Martin; Metcalfe, Richard William; Skjæveland, Øyvind. Bayesian AVO inversion to rock properties using a local neighborhood in a spatial prior model. The Leading Edge (ISSN 1070-485X). 35(5) pp 431-436. doi: 10.1190/tle35050431.1. 2016.

Abrahamsen, Petter; Dahle, Pål; Hauge, Vera Louise; Almendral Vazquez, Ariel; Vigsnes, Maria. Surface prediction using rejection sampling to handle non-linear constraints. Bulletin of Canadian petroleum geology (ISSN 0007-4802). 63(4) pp 304-317. doi: 10.2113/gscpgbull.63.4.304. 2015.

Hauge, Vera Louise; Kolbjørnsen, Odd. Bayesian inversion of gravimetric data and assessment of CO2 dissolution in the Utsira Formation. Interpretation (ISSN 2324-8858). 3(2) pp SP1. doi: 10.1190/INT-2014-0193.1. 2015.

Hermansen, Gudmund Horn; Hjort, Nils Lid. Bernshteĭn-von Mises theorems for nonparametric function analysis via locally constant modelling: A unified approach. Journal of Statistical Planning and Inference (ISSN 0378-3758). 166 pp 138-157. doi: 10.1016/j.jspi.2015.02.007. 2015.

Lilleborge, Marie; Hauge, Ragnar; Eidsvik, Jo. Information Gathering in Bayesian Networks Applied to Petroleum Prospecting. Mathematical Geosciences (ISSN 1874-8961). 48(3) pp 233-257. doi: 10.1007/s11004-015-9616-8. 2015. Abstract 

Lilleborge, Marie; Eidsvik, Jo. Efficient designs for Bayesian networks with sub-tree bounds. Statistics and computing (ISSN 0960-3174). 27(2) pp 301-318. doi: 10.1007/s11222-015-9623-0. 2015.

Qu, Dongfang; Røe, Per; Tveranger, Jan. A method for generating volumetric fault zone grids for pillar gridded reservoir models. Computers & Geosciences (ISSN 0098-3004). 81 pp 28-37. doi: 10.1016/j.cageo.2015.04.009. 2015. Institutional archive 

Røe, Per; Hauge, Ragnar. A volume-conserving representation of cell faces in corner point grids. Computational Geosciences (ISSN 1420-0597). 20(3) pp 453-460. doi: 10.1007/s10596-015-9500-0. 2015.

Vonnet, Julie; Hermansen, Gudmund Horn. Using predictive analytics to unlock unconventional plays. First Break (ISSN 0263-5046). 33(2) pp 87-92. 2015. Full-text 

Aidas, Kestutis; Angeli, Celestino; Bak, Keld L.; Bakken, Vebjørn; Bast, Radovan; Boman, Linus; Christiansen, Ove; Cimiraglia, Renzo; Coriani, Sonja; Dahle, Pål; Dalskov, Erik K.; Ekström, Ulf Egil; Enevoldsen, Thomas; Eriksen, Janus J.; Ettenhuber, Patrick; Fernández, Berta; Ferrighi, Lara; Fliegl, Heike; Frediani, Luca; Hald, Kasper; Halkier, Asger; Hattig, Christof; Heiberg, Hanne; Helgaker, Trygve; Hennum, Alf Christian; Hettema, Hinne; Hjertenæs, Eirik; Høst, Stine; Høyvik, Ida Marie; Iozzi, Maria Francesca; Jansik, Brannislav; Jensen, Hans-Jørgen Aa.; Jonsson, Dan Johan; Jørgensen, Poul; Kauczor, Johanna; Kirpekar, Sheela; Kjærgaard, Thomas; Klopper, Wim; Knecht, Stefan; Kobayashi, Rika; Koch, Henrik; Kongsted, Jacob; Krapp, Andreas; Kristensen, Kasper; Ligabue, Andrea; Lutnæs, Ola B.; Melo, Juan I.; Mikkelsen, Kurt V.; Myhre, Rolf Heilemann; Neiss, Christian; Nielsen, Christian B.; Norman, Patrick; Olsen, Jeppe; Olsen, Jogvan Magnus H.; Osted, Anders; Packer, Martin J.; Pawlowski, Filip; Pedersen, Thomas Bondo; Provasi, Patricio F.; Reine, Simen Sommerfelt; Rinkevicius, Zilvinas; Ruden, Torgeir A.; Ruud, Kenneth; Rybkin, Vladimir V.; Salek, Pawel; Samson, Claire C. M.; Sanchez de Meras, Alfredo; Saue, Trond; Sauer, Stephan P. A.; Schimmelpfennig, Bernd; Sneskov, Kristian; Steindal, Arnfinn Hykkerud; Sylvester-Hvid, Kristian O.; Taylor, Peter R.; Teale, Andrew M.; Tellgren, Erik; Tew, David P.; Thorvaldsen, Andreas J.; Thøgersen, Lea; Vahtras, Olav; Watson, Mark A.; Wilson, David J. D.; Ziolkowski, Marcin; Ågren, Hans. The Dalton quantum chemistry program system. Wiley Interdisciplinary Reviews. Computational Molecular Science (ISSN 1759-0876). 4(3) pp 269-284. doi: 10.1002/wcms.1172. 2014. Institutional archive 

Martinelli, Gabriele; Eidsvik, Jo; Hokstad, Ketil; Hauge, Ragnar. Strategies for Petroleum Exploration on the Basis of Bayesian Networks: A Case Study. SPE Journal (ISSN 1086-055X). 19(4) pp 564-575. doi: 10.2118/159722-PA. 2014. Institutional archive 

Røe, Per; Georgsen, Frode; Abrahamsen, Petter. An Uncertainty Model for Fault Shape and Location. Mathematical Geosciences (ISSN 1874-8961). 46(8) pp 957-969. doi: 10.1007/s11004-014-9536-z. 2014. Full-text 

Kolbjørnsen, Odd; Stien, Marita; Kjønsberg, Heidi; Fjellvoll, Bjørn; Abrahamsen, Petter. Using Multiple Grids in Markov Mesh Facies Modeling. Mathematical Geosciences (ISSN 1874-8961). 46(2) pp 205-225. doi: 10.1007/s11004-013-9499-5. 2013.

Martinelli, Gabriele; Eidsvik, Jo; Hauge, Ragnar. Dynamic decision making for graphical models applied to oil exploration. European Journal of Operational Research (ISSN 0377-2217). 230(3) pp 688-702. doi: 10.1016/j.ejor.2013.04.057. 2013.

Myrseth, Inge; Sætrom, Jon; Omre, Henning. Resampling the ensemble Kalman filter. Computers & Geosciences (ISSN 0098-3004). 55 pp 44-53. doi: 10.1016/j.cageo.2012.06.009. 2013.

Buland, Arild; Kolbjørnsen, Odd. Bayesian inversion of CSEM and magnetotelluric data. Geophysics (ISSN 0016-8033). 77(1) pp E33. doi: 10.1190/GEO2010-0298.1. 2012.

Georgsen, Frode; Røe, Per; Syversveen, Anne Randi; Lia, Oddvar. Fault displacement modelling using 3D vector fields. Computational Geosciences (ISSN 1420-0597). 16(2) pp 247-259. doi: 10.1007/s10596-011-9257-z. 2012. Full-text 

Hammer, Hugo Lewi; Kolbjørnsen, Odd; Tjelmeland, Håkon; Buland, Arild. Lithology and fluid prediction from prestack seismic data using a Bayesian model with Markov process prior. Geophysical Prospecting (ISSN 0016-8025). 60(3) pp 500-515. doi: 10.1111/j.1365-2478.2011.01012.x. 2012. Full-text 

Kolbjørnsen, Odd; Hauge, Ragnar; Drange-Espeland, Maren; Buland, Arild. Model-based fluid factor for controlled source electromagnetic data. Geophysics (ISSN 0016-8033). 77(1) pp E21. doi: 10.1190/GEO2010-0300.1. 2012.

Nilsen, Halvor Møll; Syversveen, Anne Randi; Lie, Knut-Andreas; Tveranger, Jan; Nordbotten, Jan Martin. Impact of top-surface morphology on CO2 storage capacity. International Journal of Greenhouse Gas Control (ISSN 1750-5836). 11 pp 221-235. doi: 10.1016/j.ijggc.2012.08.012. 2012.

Buland, Arild; Kolbjørnsen, Odd; Carter, Andrew J.. Bayesian Dix inversion. Geophysics (ISSN 0016-8033). 76(2) pp R15. doi: 10.1190/1.3552596. 2011.

Martinelli, Gabriele; Eidsvik, Jo; Hauge, Ragnar; Førland, Maren Drange. Bayesian networks for prospect analysis in the North Sea. American Association of Petroleum Geologists Bulletin (ISSN 0149-1423). 95(8) pp 1423-1442. doi: 10.1306/01031110110. 2011.

Stien, Marita; Kolbjørnsen, Odd. Facies Modeling Using a Markov Mesh Model Specification. Mathematical Geosciences (ISSN 1874-8961). 43(6) pp 611-624. doi: 10.1007/s11004-011-9350-9. 2011.

Syversveen, Anne Randi; Hauge, Ragnar; Tollefsrud, Jan-Inge; Lægreid, Ulf; MacDonald, Alister. A Stochastic Object Model Conditioned to High-Quality Seismic Data. Mathematical Geosciences (ISSN 1874-8961). 43(7) pp 763-781. doi: 10.1007/s11004-011-9355-4. 2011.

Kjønsberg, Heidi; Hauge, Ragnar; Kolbjørnsen, Odd; Buland, Arild. Bayesian Monte Carlo method for seismic predrill prospect assessment. Geophysics (ISSN 0016-8033). 75(2) pp O9. doi: 10.1190/1.3339678. 2010.

Ulvmoen, Marit; Hammer, Hugo Lewi. Bayesian lithology/fluid inversion - comparison of two algorithms. Computational Geosciences (ISSN 1420-0597). 14 pp 357-367. 2010. Full-text 

Almendral-Vazquez, Ariel; Nielsen, Bjørn Fredrik. The multigrid algorithm applied to a degenerate equation: A convergence analysis. Journal of Computational and Applied Mathematics (ISSN 0377-0427). 225(1) pp 251-267. doi: 10.1016/j.cam.2008.07.026. 2009.

Georgsen, Frode; Syversveen, Anne Randi; Hauge, Ragnar; Tollefsrud, Jan Inge; Fismen, Morten. Local Update of Object-Based Geomodels. SPE Reservoir Evaluation and Engineering (ISSN 1094-6470). Volume 12, Number 3, June 2009 pp 446-454. 2009.

Holden, Lars; Hauge, Ragnar; Holden, Marit. ADAPTIVE INDEPENDENT METROPOLIS-HASTINGS. The Annals of Applied Probability (ISSN 1050-5164). 19(1) pp 395-413. doi: 10.1214/08-AAP545. 2009. Full-text 

Skorstad, Arne; Islam, Mohammad Amirul; Smørgrav, Eivind. Conditioning on Effective Permeabilities From Well Tests in Geostatistical Reservoir Characterization - Real Test Case Evaluation. Ukjent SPE 124280 2009.

Buland, Arild; Kolbjørnsen, Odd; Hauge, Ragnar; Skjæveland, Øyvind; Duffaut, Kenneth. Bayesian lithology and fluid prediction from seismic prestack data. Geophysics (ISSN 0016-8033). 73(3) pp C13. doi: 10.1190/1.2842150. 2008.

Cardozo, Nestor; Røe, Per; Soleng, Harald Heimtun; Fredman, Niclas; Tveranger, Jan; Schueller, Sylvie. A methodology for efficiently populating faulted corner point grids with strain. Petroleum Geoscience (ISSN 1354-0793). 14(2) pp 205-216. doi: 10.1144/1354-079308-738. 2008.

Dahle, Pål; Helgaker, T; Jonsson, Dan Johan; Taylor, PR. Second-order Moller-Plesset calculations on the water molecule using Gaussian-type orbital and Gaussian-type geminal theory. Physical Chemistry, Chemical Physics - PCCP (ISSN 1463-9076). 10(23) pp 3377-3382. doi: 10.1039/b803577f. 2008. Full-text 

Fredman, Niclas; Tveranger, Jan; Cardozo, N; Braathen, A; Soleng, Harald Heimtun; Røe, Per; Skorstad, Arne; Syversveen, Anne Randi. Fault facies modeling: Technique and approach for 3-D conditioning and modeling of faulted grids. American Association of Petroleum Geologists Bulletin (ISSN 0149-1423). 92(11) pp 1457-1478. doi: 10.1306/06090807073. 2008.

Howell, John Anthony; Skorstad, Arne; MacDonald, Alister; Fordham, Alex; Flint, Stephen; Fjellvoll, Bjørn; Manzocchi, Tom. Sedimentological parameterization of shallow-marine reservoirs. Petroleum Geoscience (ISSN 1354-0793). 14(1) pp 17-34. doi: 10.1144/​1354-079307-787. 2008.

Manzocchi, T; Matthews, John D.; Strand, Julian A.; Carter, Jim N.; Skorstad, Arne; Howell, JA; Stephen, KD; Walsh, JJ. A study of the structural controls on oil recovery from shallow-marine reservoirs. Petroleum Geoscience (ISSN 1354-0793). 14(1) pp 55-70. doi: 10.1144/1354-079307-786. 2008.

Manzocchi, T; Carter, JN; Skorstad, Arne; Fjellvoll, Bjørn; Stephen, KD; Howell, JA; Matthews, JD; Walsh, JJ; Nepveu, M; Bos, C; Cole, J; Egberts, P; Flint, S; Hern, C; Holden, Lars; Hovland, H; Jackson, H; Kolbjørnsen, Odd; MacDonald, A; Nell, PAR; Onyeagoro, K; Strand, J; Syversveen, Anne Randi; Tchistiakov, A; Yang, C; Yielding, G; Zimmerman, RW. Sensitivity of the impact of geological uncertainty on production from faulted and unfaulted shallow-marine oil reservoirs: objectives and methods. Petroleum Geoscience (ISSN 1354-0793). 14(1) pp 3-15. doi: 10.1144/​1354-079307-790. 2008.

Matthews, JD; Carter, JN; Stephen, KD; Zimmerman, RW; Skorstad, Arne; Manzocchi, T; Howell, JA. Assessing the effect of geological uncertainty on recovery estimates in shallow-marine reservoirs: the application of reservoir engineering to the SAIGUP project. Petroleum Geoscience (ISSN 1354-0793). 14(1) pp 35-44. 2008.

Matthews, John D.; Carter, Jonathan N.; Stephen, Karl D.; Zimmerman, Robert W.; Skorstad, Arne; Manzocchi, Tom; Howell, John. Reservoir Engineering aspects of the SAIGUP Project. Petroleum Geoscience (ISSN 1354-0793). 14.01.2012 2008.

Skorstad, Arne; Kolbjørnsen, Odd; Manzocchi, T; Carter, Jonathan N.; Howell, John Anthony. Combined effects of structural, stratigraphic and well controls on production variability in faulted shallow-marine reservoirs. Petroleum Geoscience (ISSN 1354-0793). 14(1) pp 45-54. 2008.

Skorstad, Arne; Kolbjørnsen, Odd; Manzocchi, Tom; Carter, Jonathan N.; Howell, John. Combined effects of structural, stratigraphic and well controls on production variability in faulted shallow marine reservoirs. Petroleum Geoscience (ISSN 1354-0793). 14.01.2012 pp 45-54. 2008.

Stephen, Karl D.; Yang, Canghu; Carter, Jonathan N.; Howell, John; Manzocchi, Tom; Skorstad, Arne. Upscaling Uncertainty Analysis in a Shallow Marine Environment. Petroleum Geoscience (ISSN 1354-0793). 14.01.2012 pp 71-84. 2008.

Stephen, KD; Yang, C; Carter, JN; Howell, JA; Manzocchi, T; Skorstad, Arne. Upscaling uncertainty analysis in a shallow-marine environment. Petroleum Geoscience (ISSN 1354-0793). 14(1) pp 71-84. 2008.

Almendral-Vazquez, Ariel; Oosterlee, Cornelis. On American options under the Variance Gamma process. Applied Mathematical Finance (ISSN 1350-486X). 2007.

Almendral-Vazquez, Ariel; Oosterlee, Cornelis. Accurate Evaluation of European and American Options Under the CGMY Process. SIAM Journal on Scientific Computing (ISSN 1064-8275). 29.01.2012 pp 93-117. 2007.

Dahle, Pål; Helgaker, T; Jonsson, D; Taylor, PR. Accurate quantum-chemical calculations using Gaussian-type geminal and Gaussian-type orbital basis sets: applications to atoms and diatomics. Physical Chemistry, Chemical Physics - PCCP (ISSN 1463-9076). 9 doi: 10.1039/b616488a. 2007.

Dahle, Pål; Helgaker, Trygve; Jonsson, Dan; Taylor, Peter R.. Accurate quantum-chemical calculations using Gaussian-type geminal and Gaussian-type orbital basis sets: application to atoms and diatomics. Physical Chemistry, Chemical Physics - PCCP (ISSN 1463-9076). 24 pp 3112-3126. 2007. Full-text 

Hauge, Ragnar; Holden, Lars; Syversveen, Anne Randi. Well conditioning in object models. Mathematical Geology (ISSN 0882-8121). 39 doi: 10.1007/s11004-007-9102-z. 2007.

Almendral-Vazquez, Ariel; Oosterlee, Cornelis. Highly accurate evaluation of European and American options under the Variance Gamma process. Journal of Computational Finance (ISSN 1460-1559). 01.10.2012 pp 21-40. 2006.

Hauge, Ragnar; Syversveen, Anne Randi; MacDonald, A. Object models with vector steering. Mathematical Geology (ISSN 0882-8121). 38(1) pp 17-32. doi: 10.1007/s11004-005-9001-0. 2006.

Skorstad, Arne; Kolbjørnsen, Odd; Drottning, Åsmund; Gjøystdal, Håvar; Huseby, Olaf Kr.. Combining saturation changes and 4D seismic for updating reservoir characterizations. SPE Reservoir Evaluation and Engineering (ISSN 1094-6470). 9 doi: 10.2118/106366-PA. 2006.

Almendral-Vazquez, Ariel; Oosterlee, Cornelis. Numerical valuation of options with jumps in the underlying. Applied Numerical Mathematics (ISSN 0168-9274). 53(1) pp 1-18. doi: 10.1016/j.apnum.2004.08.037. 2005.

Gjerde, Jon; Grepperud, Sverre; Kverndokk, Snorre. On adaptation and the demand for health. Applied Economics (ISSN 0003-6846). 37 2005.

Kolbjørnsen, Odd; Omre, Henning. Bayesian inversion of piecewise affine operators in a Gaussian framework. Journal of Computational And Graphical Statistics (JCGS) (ISSN 1061-8600). 14 doi: 10.1198/106186005X25673. 2005.

Almendral-Vazquez, Ariel. Nevanlinna parametrization of the solution to some rational moment problems. Analysis (ISSN 0003-2638). 23 pp 107-124. 2003. Full-text 

Benth, Fred Espen; Ekeland, Lars; Hauge, Ragnar; Nielsen, Bjørn Fredrik. A note on arbitrage-free pricing of forward contracts in energy markets. Applied Mathematical Finance (ISSN 1350-486X). 10(4) pp 325-336. doi: 10.1080/1350486032000160777. 2003.

Buland, Arild; Kolbjørnsen, Odd; Omre, Henning. Rapid Spatially Coupled AVO Inversion in the Fourier Domain. Geophysics (ISSN 0016-8033). 68(1) pp 824-836. 2003. Full-text  Abstract 

Hirst, David; Storvik, Geir Olve; Syversveen, Anne Randi; Syversveen, Anne Randi. A hierarchical modelling approach to combining environmental data at different resolutions. The Journal of the Royal Statistical Society, Series C (Applied Statistics) (ISSN 0035-9254). 52(3) pp 377-390. 2003.

Holden, Lars; Mostad, Petter F.; Nielsen, Bjørn Fredrik; Gjerde, Jon; Townsend, Chris; Ottesen, Signe. Stochastic structural modeling. Mathematical Geology (ISSN 0882-8121). 35 No 8 pp 899-914. doi: 10.1023/B:MATG.0000011584.51162.69. 2003.

Kolbjørnsen, Odd; Skorstad, Arne; Howell, John; Manzocchi, Tom; Carter, Jonathan N.. Influence of Geological Factors on Oil Production in Shallow Marine Reservoirs. Ukjent 1(S051) 2003.

Skare, Øivind; Bølviken, Erik; Holden, Lars. Improved samping-importance resampling and reduced bias importance sampling. Scandinavian Journal of Statistics (ISSN 0303-6898). 30(4) doi: 10.1111/1467-9469.00360. 2003.

Hauge, Ragnar; Arntzen, Ole Jakob; Soleng, Harald H.. Choosing objective function for conditioning on production data. Ukjent 2002.

Holden, Lars; Sannan, Sigurd; Bungum, Hilmar. A stochastic marked point process model for earthquakes. Natural Hazards and Earth System Sciences (ISSN 1561-8633). 2 pp 1-7. doi: 10.5194/nhess-3-95-2003. 2002.

Abrahamsen, Petter; Benth, Fred Espen. Kriging with inequality constraints. Mathematical Geology (ISSN 0882-8121). 33(6) pp 719-744. doi: 10.1023/A:1011078716252. 2001.

Floris, F.J.T.; Bush, M.D.; Cuypers, Maarten; Roggero, F.; Syversveen, Anne Randi. Methods for quantifying uncertainty in production forecasts: a comparative study. Petroleum Geoscience (ISSN 1354-0793). 7, Special Issue pp. S87-S96(2) 2001.

Abrahamsen, Petter; Hauge, Ragnar; Heggland, Knut; Mostad, Petter F.. Estimation of gross rock volume of filled geological structures with uncertainty measures. SPE Reservoir Evaluation and Engineering (ISSN 1094-6470). 3(4) pp 304-309. doi: 10.2118/65419-PA. 2000.

Almendral-Vazquez, Ariel. The Spectrum of a Periodic Complex Jacobi Matrix Revisited. Journal of Approximation Theory (ISSN 0021-9045). 105 pp 344-351. 2000. Full-text 

Holden, Lars; Nielsen, Bjørn Fredrik. Global upscaling of permeability in heterogeneous reservoirs; The output least squares (OLS) method. Transport in Porous Media (ISSN 0169-3913). 40 pp 115-143. 2000.

Skare, Øivind; Benth, Fred Espen; Frigessi, Arnoldo. Smoothed Langevin proposals in Metropolis-Hastings algorithms. Statistics and Probability Letters (ISSN 0167-7152). 49 pp 345-354. doi: 10.1016/S0167-7152(00)00067-5. 2000.

Holden, Lars; Abrahamsen, Petter; Hektoen, Anne-Lise; Soleng, Harald Heimtun; Syversveen, Anne Randi. Make decisions using stochastic models. Springer Verlag, Springer -Lehrbuch 1999. Full-text 

Skorstad, Arne; Hauge, Ragnar; Holden, Lars. Well conditioning in a fluvial reservoir model. Mathematical Geology (ISSN 0882-8121). 31 No 7(7) pp 857-872. 1999.

Abrahamsen, Petter; Benth, Fred Espen. Gaussian field with unknown trend conditioned on inequality data - Proceedings of the 4th annual conference of the International Association for Mathematical Geology. Ukjent pp 333-338. 1998. Full-text 

Benth, Fred Espen; Gjerde, Jon. Convergence rates for finite element approximations of stochastic partial differential equations. Stochastics and Stochastics Reports (ISSN 1045-1129). 63 pp 313-326. 1998.

Benth, Fred Espen; Gjerde, Jon. A remark on the equivalence between Poisson and Gaussian stochastic partial differential equations. Potential Analysis (ISSN 0926-2601). 8 pp 179-193. 1998.

Holden, Lars; Hauge, Ragnar; Skare, Øivind; Skorstad, Arne. Modeling of fluvial reservoirs with object models. Mathematical Geology (ISSN 0882-8121). 30(5) pp 473-496. 1998.

Cvetic, Mirjam; Soleng, Harald Heimtun. Supergravity Domain Walls. Physics reports (ISSN 0370-1573). 282(4) pp 159. 1997. Full-text 

Jensen, Bjørn; Soleng, Harald Heimtun. Anisotropic domain walls. Classical and Quantum Gravity (ISSN 0264-9381). 14 pp 1821-1829. 1997.

Lia, Oddvar; Omre, Henning; Tjelmeland, Håkon; Holden, Lars; Egeland, Thore. Uncertainties in reservoir production forecasts. American Association of Petroleum Geologists Bulletin (ISSN 0149-1423). 81(5) pp 775-801. 1997.

Puntigam, Roland A.; Soleng, Harald Heimtun. Volterra distortions, spinning strings, and cosmic defects. Classical and Quantum Gravity (ISSN 0264-9381). 14 pp 1129. 1997. Full-text 

Gjerde, Jon. Two classes of stochastic Dirichlet equations which admit explicit solution formulas. Ukjent 5 pp 157-181. 1996.

Wahl, Terje; Skøelv, A.; Pedersen, J.P.; Seljelv, L.-G.; Andersen, J.H.; Follum, O.A.; Andersen, Tove; Strøm, G.D.; Bern, T.-I.; Espedal, H.H.; Hamnes, Hilde; Solberg, Rune. Radar satellites: A new tool for pollution monitoring in coastal waters. Coastal Management (ISSN 0892-0753). 24 pp 61-71. doi: 10.1080/08920759609362281. 1996.

Aas, Kjersti; Eikvil, Line; Andersen, Tove. Text recognition from grey level images using hidden Markov models. Lecture Notes in Computer Science (LNCS) (ISSN 0302-9743). 970 pp 503-508. 1995.

Egeland, Thore; Georgsen, Frode; Skare, Øivind; Alabert, Francois. Analytical calculations related to facies simulation. Mathematical Geology (ISSN 0882-8121). 27(3) pp 391-398. doi: 10.1007/BF02084609. 1995.

Abrahamsen, Petter; Omre, Henning. Random functions and geological subsurfaces. Ukjent pp 22. 1994.

Abrahamsen, Petter; Egeland, Thore; Lia, Oddvar; Omre, Henning. An integrated approach to prediction of hydrocarbon in place and recoverable reserve with uncertainty measures. Ukjent 1992.

Holden, Lars. On the strict hyperbolicity of the Buckley-Leverett equations for three-phase flow. SIAM Journal on Applied Mathematics (ISSN 0036-1399). 50(3) pp 667-682. 1990.

Helgeland, Jon; Bølviken, Erik; Storvik, Geir; Wel, Dirk van der; Siring, Erling. Statistical permeability prediction from wireline logs by switching and Markov regime models. Ukjent 1988.

Mohn, Erik; Hjort, Nils Lid; Storvik, Geir Olve. A simulation study of some contextual classification methods for remotely sensed data. IEEE Transactions on Geoscience and Remote Sensing (ISSN 0196-2892). 25 pp 796-804. doi: 10.1109/TGRS.1987.289751. 1987.

Letters to editor

Bratvedt, Kyrre; Bølviken, Erik; Gimse, Tore; Holden, Helge; Holden, Lars; Knarud, Ragnar. Comment on Special Issue on Geostatistics with Guest Editor A. G. Journel. 1998.

Academic chapters

Parra, Mauricio; Echeverri, Sebastian; Patino, Ana Maria; Ramirez, Juan Carlos; Mora, Andrés; Sobel, Edward R.; Almendral Vazquez, Ariel; Pardo-Trujillo, Andrés. Cenozoic Evolution of the Sierra Nevada de Santa Marta, Colombia. In: The geology of Colombia Volume 3. Paleogene – Neogene. Servicio Geológico Colombiano. (ISBN 978-958-99528-6-3). pp 259-297. doi: https://doi.org/10.32685/pub.esp.37.2019.07. 2019.

Patino, Ana Maria; Parra, Mauricio; Ramirez, Juan Carlos; Sobel, Edward R.; Glodny, Johannes; Almendral Vazquez, Ariel; Echeverri, Sebastian. Thermochronological constraints on Cenozoic exhumation along the southern Caribbean: The Santa Marta range, northern Colombia. In: Andean Tectonics. (ISBN 978-0-12-816009-1). pp 103-132. doi: 10.1016/B978-0-12-816009-1.00007-1. 2019.

Abrahamsen, Petter; Kvernelv, Vegard Berg; Barker, Daniel Martin L. Simulation of Gaussian Random Fields Using the Fast Fourier Transform (FFT). In: ECMOR XVI - 16th European Conference on the Mathematics of Oil Recovery, 3–6 September 2018, Barcelona, Spain. (ISBN 978-94-6282-260-3). doi: 10.3997/2214-4609.201802134. 2018.

Kalfass, Daniel; Bertschik, Michael; Vrieler, Stefan; Hannay, Jo Erskine; Kvernelv, Vegard Berg. Proof of concept demonstrator of MSG-136 for using and providing simulation as a service within NATO environments. In: Proc. NATO Modelling and Simulation Group Symp. on M&S Technologies and Standards for Enabling Alliance Interoperability and Pervasive M&S Applications (STO-MP-MSG-149). (ISBN 978-92-837-2137-6). 2017.

Røe, Per; Almendral Vazquez, Ariel; Hanea, Remus Gabriel. Distinguishing Signal from Noise in History Matching - Analysis of Ensemble Collapse on a Synthetic Data Set. In: ECMOR XV - Proceedings of 15th European Conference on the Mathematics of Oil Recovery, Amsterdam, Netherlands, 29 August - 1 September, 2016. (ISBN 978-94-6282-193-4). doi: 10.3997/2214-4609.201601819. 2016.

Hauge, Vera Louise; Kolbjørnsen, Odd. Spatial Resolution in Bayesian Inversion of Gravimetric Data. In: Conference proceedings. 76th EAGE Conference & Exhibition. (ISBN 978-90-73834-89-7). doi: 10.3997/2214-4609.20141001. 2014. Full-text 

Røe, Per; Hauge, Ragnar. A Volume-conserving Representation of Cell Faces in Corner Point Grids. In: ECMOR XIV - Proceedings of 14th European Conference on the Mathematics of Oil Recovery, Catania, Italy, 8-11 September, 2014. (ISBN 978-90-73834-94-1). doi: 10.3997/2214-4609.20141859. 2014.

Fachri, Muhammad; Tveranger, Jan; Braathen, Alvar; Røe, Per. Incorporation of 3D fault zones in field-sized simulation models – a first case study. In: Extended abstracts book: 75th EAGE Conference and Technical Exhibition, London, UK. (ISBN 978-90-73834-48-4). doi: 10.1306/02011614118. 2013. Full-text 

Martinelli, Gabriele; Eidsvik, Jo; Hokstad, Ketil; Hauge, Ragnar. Strategies for petroleum exploration based on Bayesian Networks: a case study. In: SPE Annual Technical Conference and Exhibition, 8-10 October 2012, San Antonio, Texas, USA. (ISBN 978-1-61399-213-5). doi: 10.2118/159722-ms. 2012. Full-text 

Røe, Per; Kjønsberg, Heidi; Oftebro, Camilla. Developing a New Algorithm for Calculating Fault Seals Within the Structural Model. In: 74th EAGE Conference & Exhibition incorporating SPE EUROPEC 2012. (ISBN 978-90-73834-27-9). doi: 10.3997/2214-4609.20148197. 2012. Full-text 

Stenerud, Vegard Røine; Kallekleiv, Hans Ivar; Abrahamsen, Petter; Dahle, Pål; Skorstad, Arne; Viken, May Hege Aalmen. Added Value by Fast and Robust Conditioning of Structural Surfaces to Horizontal Wells for Real-World Reservoir Models. In: SPE Annual Technical Conference and Exhibition, 8-10 October 2012, San Antonio, Texas, USA. (ISBN 978-1-61399-213-5). doi: 10.2118/159746-ms. 2012. Full-text 

Syversveen, Anne Randi; Nilsen, Halvor Møll; Lie, Knut-Andreas; Tveranger, Jan; Abrahamsen, Petter. A Study on How Top-Surface Morphology Influences the Storage Capacity of CO2 in Saline Aquifers. In: Geostatistics Oslo 2012. (ISBN 978-94-007-4152-2). pp 481-492. doi: 10.1007/978-94-007-4153-9_39. 2012. Full-text 

Ashraf, Seyed Meisam; Lie, Knut Andreas; Nilsen, Halvor Møll; Skorstad, Arne; Nordbotten, Jan M.. Impact of geological heterogeneity on early-stage CO2 plume migration. In: Conference Proceedings ECMOR XII. (ISBN 9789073781894). 2010. Full-text 

Georgsen, Frode; Kolbjørnsen, Odd; Lecomte, Isabelle. A 3D Ray-based Pulse Estimation for Seismic Inversion of PSDM Data. In: 72nd EAGE Conference & Exhibition incorporating SPE EUROPEC 2010 Barcelona. (ISBN 978-90-73781-86-3). 2010. Full-text 

Røe, Per; Abrahamsen, Petter; Georgsen, Frode; Syversveen, Anne Randi; Lia, Oddvar. Flexible Simulation of Faults. In: 2010 ATCE SPE Annual Technical Conference and Exhibition. (ISBN 978-1-55563-300-4). 2010. Full-text 

Syversveen, Anne Randi; Hauge, Ragnar; Tollefsrud, Jan Inge; Lægreid, Ulf; MacDonald, Alister. Stochastic Modeling of Objects Extracted From High-Quality Seismic Data. In: SPE Annual Technical Conference and Exhibition, 4-7 October 2009, New Orleans, Louisiana. (ISBN 978-1-55563-263-2). 2009. Full-text 

Almendral-Vazquez, Ariel; Abrahamsen, Petter; Hauge, Ragnar. Multidimensional Scaling and Anisotropic Covariance Functions. In: Proceedings of the Eight International Geostatistics Congress. (ISBN 978-956-8504-17-5). pp 187-196. 2008.

Kjønsberg, Heidi; Kolbjørnsen, Odd. Markov Mesh Simulations with Data Conditioning through Indicator Kriging. In: Proceedings of the Eight International Geostatistics Congress. (ISBN 978-956-8504-17-5). pp 257-266. 2008.

Kolbjørnsen, Odd; Stien, Marita. D-vine Creation of Non-Gaussian Random Field. In: Procedings of the Eight International Geostatistics Congress Volume 1. (ISBN 978-956-8504-18-2). pp 399-408. 2008.

Tveranger, Jan; Howell, John Anthony; Aanonsen, Sigurd Ivar; Kolbjørnsen, Odd; Semshaug, Siv Lise; Skorstad, Arne; Ottesen, Signe. Assessing structural controls on reservoir performance in different stratigraphic settings. In: The future of geological modelling in hydrocarbon development. (ISBN 978-1862392663). pp 51-66. 2008.

Hollund, Knut Utne; Kolbjørnsen, Odd; Syversveen, Anne Randi; Lie, Tove; Jørstad, Arild. Using "Fast Models" for Selecting the Right Decision - A Norwegian North Sea Case Study. In: SPE Annual Technical Conference and Exhibition, 11-14 November 2007, Anaheim, California, U.S.A. (ISBN 978-1-55563-148-2). 2007.

Soleng, Harald Heimtun; Syversveen, Anne Randi; Skorstad, Arne; Røe, Per; Tveranger, Jan. Flow Through Inhomogeneous Fault Zones. In: SPE Annual Technical Conference and Exhibition, 11-14 November 2007, Anaheim, California, U.S.A. (ISBN 978-1-55563-148-2). 2007. Full-text 

Soleng, Harald Heimtun; Syversveen, Anne Randi; Kolbjørnsen, Odd. Comparing Facies Realizations: Defining Metrices on Realization Space. In: Proceedings of the 10th European Conference in the Mathematics of Oil Recovery. European Association of Geoscientists & Engineers. (ISBN 978-90-73781-47-4). 2006. Full-text 

Syversveen, Anne Randi; Skorstad, Arne; Soleng, Harald Heimtun; Røe, Per; Tveranger, Jan. Facies Modelling in Fault Zones. In: Proceedings of the 10th European Conference on the Mathematics of Oil Recovery. European Association og Geoscientists and Engineers. (ISBN 90-73781-47-7). 2006. Full-text 

Abrahamsen, Petter. Combining Methods for Subsurface Prediction. In: Geostatistics Banff 2004. (ISBN 978-1-4020-3515-9). pp 601-610. 2005. Full-text 

Dahle, Pål; Kolbjørnsen, Odd; Abrahamsen, Petter. When can shape and scale parameters of a 3D variogram be estimated? In: Geostatistics Banff 2004. (ISBN 978-1-4020-3515-9). pp 949-958. 2005. Full-text 

Kolbjørnsen, Odd; Abrahamsen, Petter. Theory and application of the cloud transform. In: Geostatistics Banff 2004. (ISBN 978-1-4020-3515-9). pp 45-54. 2005. Full-text 

Skorstad, Arne; Kolbjørnsen, Odd; Fjellvoll, Bjørn; Howell, John Anthony; Manzocchi, Tom; Carter, Jonathan N.. Sensitivity of oil production to petrophysical heterogeneities. In: Geostatistics Banff 2004. (ISBN 978-1-4020-3515-9). pp 723-730. 2005.

Hauge, Ragnar; Syversveen, Anne Randi; MacDonald, Alister. SPE 84053 Modeling Facies Bodies and Petrophysical Trends in Turbidite Reservoirs. In: SPE Annual Technical Conference and Exhibition, 5-8 October 2003, Denver, Colorado. (ISBN 978-1-55563-152-9). 2003.

Hauge, Ragnar; Arntzen, Ole Jakob; Soleng, Harald Heimtun. Choosing objective function for conditioning on production data. In: ECMOR VIII, 8th European Conference on the Mathematics of Oil Recovery, Freiberg, Germany 3.-6. September 2002. (ISBN 90-73781-24-8). 2002.

Eide, Alfhild Lien; Syversveen, Anne Randi. Marked point model of facies objects conditioned to seismic data and well data. In: GEOSTAT 2000, Proceedings of 6th International Geostatistics Congress. Geostatistics conference. (ISBN ). 2000.

Hauge, Ragnar; Syversveen, Anne Randi; Holden, Lars. History matching in object models. In: GEOSTAT 2000, Proceedings of 6th International Geostatistics Congress. Geostatistics conference. (ISBN ). 2000.

Holden, Lars; Natvig, Bent; Sannan, Sigurd; Abrahamsen, Petter; Bungum, Hilmar. Modelling spatial and temporal dependencies between earthquakes. In: GEOSTAT 2000, Proceedings of 6th International Geostatistics Congress. Geostatistics conference. (ISBN ). 2000.

Mostad, Petter Fredrik; Gjerde, Jon. Multifractal Fault Simulation. In: GEOSTAT 2000, Proceedings of 6th International Geostatistics Congress. Geostatistics conference. (ISBN ). pp 358-368. 2000.

Skorstad, Arne; Hauge, Ragnar; Holden, Lars; Skare, Øivind. Conditioning fluvial models on steady-state well rates. In: GEOSTAT 2000, Proceedings of 6th International Geostatistics Congress. Geostatistics conference. (ISBN ). 2000.

Abrahamsen, Petter; Hektoen, Anne-Lise; Holden, Lars; Munthe, Kristin Lucie. Seismic impedance and porosity: Support effects. In: Geostatistics Wollongong '96. Kluwer Academic. (ISBN 0-7923-4494-4). 1997. Data 

Hektoen, Anne-Lise; Holden, Lars. Bayesian modelling of sequence stratigraphic surfaces. In: Geostatistics Wollongong '96. Kluwer Academic. (ISBN 0-7923-4494-4). 1997. Full-text 

Skare, Øivind; Skorstad, Arne; Hauge, Ragnar; Holden, Lars. Conditioning a fluvial model on seismic data. In: Geostatistics Wollongong '96. Kluwer Academic. (ISBN 0-7923-4494-4). 1997.

Skorstad, Arne; Holden, Lars. Direct conditioning on WellTest data in simulations of Gaussian and log-Gaussian permeability fields. In: Geostatistics Wollongong '96. Kluwer Academic. (ISBN 0-7923-4494-4). 1997.

Holden, Lars; Lia, Oddvar; Madsen, Rune; Rusten, Torgeir; Skorstad, Arne. Scaling and representation of absolute permeability. In: Profit, Project Summary Reports, Reservoir Characterization Near Well Flow. Norwegian Petroleum Directorat. (ISBN ). 1995.

Abrahamsen, Petter. Bayesian kriging for seismic depth conversion of a multi-layer reservoir. In: Geostatistics Tróia '92. (ISBN 978-0-7923-2157-6). pp 385-398. 1993.

Georgsen, Frode; Omre, Henning. Combining Fibre Processes an Gaussian Random Functions for Modelling Fluvial reservoirs. In: Geostatistics Tróia '92. (ISBN 978-0-7923-2157-6). pp 425-439. 1993.

Holden, Lars; Lia, Oddvar. Beslutningsstøtte under usikkerhet med eksempler fra reservoarstyring. In: IT neste TI. Ad Notam Gyldendal. (ISBN 8241702981). 1993.

Tjelmeland, Håkon; Holden, Lars. Semi-markov random fields. In: Geostatistics Tróia '92. (ISBN 978-0-7923-2157-6). 1993.

Holden, Helge; Holden, Lars. On scalar conservation laws in one-dimension. In: Ideas and methods in mathematical analysis, stochastics and applications. (ISBN ). pp 480-509. 1992.

Academic lectures

Aker, Eyvind; Thiebaud, Jeremie; Røe, Per. Probabilistic AVO inversion of transversely isotropic medium for better characterization of North Sea Oxfordian turbidite reservoir. Konferanse, 1st EAGE conference on Seismic Inversion; Porto, 26.10.2020 - 29.10.2020.

Kjønsberg, Heidi; Haug, Sissel Grude; Hauge, Ragnar; Nilsen, Carl-Inge Colombo. Time lapse AVO inversion for the Heidrun field in the Norwegian Sea. Konferanse, SEG20; Houston (virtuelt), 11.10.2020 - 15.10.2020.

Kolbjørnsen, Odd; Dahle, Pål; Bjerke, Morten D.; Bakke, Beate A.; Straith, Knut Richard. Using Deep Directional Resistivity for Model Selection and Uncertainty Reduction in the Edvard Grieg Depth Conversion. Konferanse, Petroleum Geostatistics 2019; Firenze, 02.09.2019 - 06.09.2019.

Skauvold, Jacob; Eidsvik, Jo. Parametric Covariance Estimation in Ensemble-based Data Assimilation. Konferanse, Petroleum Geostatistics 2019; Firenze, 02.09.2019 - 06.09.2019.

Zuech, Joe; Rasmussen, Andreas; Harris, Peter; Shea, Bill; Røe, Per; Aker, Eyvind. Direct Inversion of Pre-Stack Seismic to Predict Lithology, Pore Fluids, & Layer Boundary Horizons. Workshop, SEG 2019 Workshop 7: Frontiers in Seismic Reservoir Characterization; San Antonio, Texas, 19.09.2019.

Aarnes, Ingrid. Traversing the gap from sedimentary process models to facies modeling. Konferanse, Gussow Conference - Closing the Gap III; Lake Louise, Alberta, 08.10.2018 - 11.10.2018.

Aker, Eyvind; Kjønsberg, Heidi; Røe, Per; Kjøsnes, Øyvind. Probabilistic inversion into lithology and fluid classes in the North Sea – Comparison of one- and two-step approach. Konferanse, EAGE Annual 80th Conference and Exhibition; København, 11.06.2018 - 14.06.2018.

Goodwin, Håvard; Røe, Per. Fault Uncertainty Modelling. Seminar, Challenges related to Fault Modelling Workflows; Stavanger, 20.06.2018.

Vevle, Markus Lund; Aarnes, Ingrid; Ledsaak, Karina; Hauge, Ragnar; Skorstad, Arne. Facies modelling of a real-life fluvial system using a modern object-based algorithm. Konferanse, 80th EAGE Conference and Exhibition 2018; Copenhagen, 11.06.2018.

Aarnes, Ingrid; Hauge, Ragnar. Applying Truncated Gaussian Fields to describe geology. Konferanse, Norsk Statistkermøte; Fredrikstad, 13.06.2017 - 15.06.2017.

Aker, Eyvind; Røe, Per; Kjøsnes, Øyvind; Hauge, Ragnar; Dahle, Pål; Ahmadi, Gholam Reza; Sandstad, Odd Arne. Probabilistic prediction of lithology-fluid-classes from seismic - A North Sea case study. Konferanse, 4th International Workshop on Rock Physics; Trondheim, 29.05.2017 - 02.06.2017.

Kolbjørnsen, Odd; Ndingwan, Abel Onana; Straith, Knut Richard; Aker, Eyvind; Røe, Per. Deciphering the seismic AVO response of the reservoir at Edvard Grieg. Seminar, Practical Rock Physics and Inversion for Exploration and Production; Stavanger, 17.10.2017.

Røe, Per; Kolbjørnsen, Odd. Comparison of one- and two-step seismic inversion for lithology and fluid prediction. Seminar, Practical Rock Physics and Inversion for Exploration and Production; Stavanger, 17.10.2017.

Hauge, Vera Louise; Hermansen, Gudmund Horn. Machine learning methods for sweet spot detection: a case study. Konferanse, The 10th International Geostatistical Congress; Valencia, 05.09.2016 - 09.09.2016.

Hauge, Ragnar; Vigsnes, Maria; Fjellvoll, Bjørn; Vevle, Markus Lund; Skorstad, Arne. Object-based modelling with dense well data. Konferanse, The 10th International Geostatistical Congress; Valencia, 05.09.2016 - 09.09.2016.

Olsen, Håvard Goodwin; Hermansen, Gudmund Horn. Recent advancements to non-parametric modelling of interactions between reservoir parameters. Konferanse, The 10th International Geostatistical Congress; Valencia, 05.09.2016 - 09.09.2016.

Røe, Per; Almendral Vazquez, Ariel; Hanea, Remus Gabriel. Distinguishing Signal from Noise in History Matching - Analysis of Ensemble Collapse on a Synthetic Data Set. Konferanse, ECMOR XV; Amsterdam, 29.08.2016 - 01.09.2016.

Skjæveland, Øyvind M.; Metcalfe, Richard William; Kolbjørnsen, Odd; Røe, Per; Hauge, Ragnar. Pcube+ - high-resolution horizon update by prestack inversion, a Statfjord case history. Konferanse, The Biennial Geophysical Seminar; Kristiansand, 14.03.2016 - 16.03.2016.

Almendral-Vazquez, Ariel; Abrahamsen, Petter; Dahle, Pål; Hermansen, Gudmund Horn. A continuous model for well depths: theory and application to well repositioning. Konferanse, Det 18. norske statistikarmøtet – Solstrand 2015; Solstrand, Bergen, 15.06.2015.

Dahle, Pål; Abrahamsen, Petter; Almendral-Vazquez, Ariel. Simultaneous prediction of geological surfaces and well paths. Konferanse, Petroleum Geostatistics 2015; Biarritz, 07.09.2015 - 11.09.2015. Full-text 

Jullum, Martin; Kolbjørnsen, Odd. An Approximate Bayesian Inversion Framework based on Local-gaussian Likelihoods. Konferanse, Petroleum Geostatistics; Biarritz, 07.09.2015 - 11.09.2015.

Lilleborge, Marie; Eidsvik, Jo; Hauge, Ragnar. Efficient Optimization of Exploration Drilling Campaigns with Convergent Information Bounds. Konferanse, Petroleum Geostatistics 2015; Biarritz, 07.09.2015 - 11.09.2015.

Vigsnes, Maria; Abrahamsen, Petter; Hauge, Vera Louise; Kolbjørnsen, Odd. Efficient Neighborhoods for Kriging with Numerous Data. Konferanse, Petroleum Geostatistics; Biarritz, 07.09.2015 - 11.09.2015. Full-text 

Abrahamsen, Petter; Dahle, Pål; Hauge, Vera Louise; Vigsnes, Maria. Impact on Gross-Rock Volume Distributions from Uncertainties in Surfaces and Hydrocarbon Contacts. Workshop, Second EAGE Integrated Reservoir Modelling Conference; Uncertainty Management: Are we Doing it Right?; Dubai, 16.11.2014 - 19.11.2014.

Abrahamsen, Petter; Dahle, Pål; Hauge, Vera Louise; Almendral-Vazquez, Ariel; Vigsnes, Maria. Surface prediction using rejection sampling to handle non-linear relationships. Konferanse, 2014 Gussow Geosciences Conference - Closing the Gap II; Banff, 22.09.2014 - 24.09.2014.

Hauge, Vera Louise; Kolbjørnsen, Odd. Spatial Resolution in Bayesian Inversion of Gravimetric Data. Konferanse, 76th EAGE Conference & Exhibition; Amsterdam, 16.06.2014 - 19.06.2014. Full-text 

Lilleborge, Marie; Hauge, Ragnar; Eidsvik, Jo. Information Gathering in Bayesian Networks with an Application to Petroleum Prospecting. Konferanse, 2014 Joint Statistical Meetings; Boston, 02.08.2014 - 07.08.2014.

Lilleborge, Marie; Eidsvik, Jo; Hauge, Ragnar. Information gathering in Bayesian Networks with a taste of almonds and petroleum. Seminar, NTNU Statistics seminar, 08.05.2014.

Lilleborge, Marie; Eidsvik, Jo; Hauge, Ragnar. Efficient Information gathering in Bayesian Network models for Petroleum Prospecting. Seminar, Stanford Center for Reservoir Forcasting Seminar, 20.11.2014.

Lilleborge, Marie. Efficient Observation Set Selection for Bayesian Networks, with an Application in Petroleum Prospecting. Konferanse, Informs annual meeting 2014; San Francisco, 09.11.2014 - 12.11.2014.

Røe, Per; Hauge, Ragnar. A Volume-conserving Representation of Cell Faces in Corner Point Grids. Konferanse, ECMOR XIV; Catania, 08.09.2014 - 11.09.2014.

Hauge, Ragnar; Stien, Marita; Drange-Espeland, Maren; Eidsvik, Jo; Martinelli, Gabriele. Modeling Dependencies Between Oil Exploration Prospects with Bayesian Networks. Konferanse, EMS 2013; Budapest, 20.07.2013 - 25.07.2013.

Lilleborge, Marie; Hauge, Ragnar; Eidsvik, Jo. Measures of Information for Bayesian Networks. Konferanse, Det 17. norske statistikermøtet; Halden, 11.06.2013 - 13.06.2013.

Lilleborge, Marie. Measures of Information for Bayesian Networks. Workshop, Oslo Graduate School in Biostatistics Workshop at Klækken; Hønefoss, 24.05.2013 - 25.05.2013.

Lilleborge, Marie. Efficient Information gathering in Bayesian Networks. Seminar, SFI-lunsj; Norsk Regnesentral, Oslo, 20.10.2013.

Abrahamsen, Petter; Dahle, Pål; Skorstad, Arne. A Fast and Consistent Geostatistical Approach for Constraining 3D Structural Models to Horizontal Wells. Workshop, Integrated Reservoir Modelling; Dubai, 25.11.2012 - 28.11.2012. Full-text 

Georgsen, Frode; Røe, Per; Syversveen, Anne Randi. Fault uncertainty modelling. Konferanse, Industrial Structural Geology; London, 28.11.2012 - 30.11.2012.

Kolbjørnsen, Odd; MacDonald, Alister; Skorstad, Arne; Berg, Thomas. Estimating the Cloud Transform. Workshop, Integrated Reservoir Modeling; Dubai, 25.11.2012 - 28.11.2012.

Røe, Per; Kjønsberg, Heidi; Oftebro, Camilla. Developing a New Algorithm for Calculating Fault Seals Within the Structural Model. Konferanse, 74th EAGE Conference & Exhibition incorporating SPE EUROPEC 2012; Copenhagen, 05.06.2012. Full-text 

Røe, Per; Kjønsberg, Heidi; Barkve, Tor. Developing a New Algorithm for Calculating Fault Seals within the Structural Model. Konferanse, EAGE Fault and Top Seals 2012; Montpellier, 02.10.2012. Full-text 

Syversveen, Anne Randi; Nilsen, Halvor Møll; Lie, Knut-Andreas; Tveranger, Jan; Abrahamsen, Petter. A Study of How Top-Surface Morphology Influences the Storage Capacity of CO2 in Saline Aquifers. Konferanse, 9th International Geostatistics Congress; Oslo, 11.06.2012 - 15.06.2012.

Martinelli, Gabriele; Eidsvik, Jo; Hauge, Ragnar. The value of sequential prospect selection. Konferanse, IAMG; Salzburg, 05.09.2011 - 09.09.2011.

Røe, Per; Georgsen, Frode. Havana Course. Seminar, Havana Course; Oslo, 20.09.2011.

Stien, Marita; Drange-Espeland, Maren; Hauge, Ragnar. On using Bayesian networks for modeling dependencies between prospects in oil exploration. Konferanse, IAMG; Salzburg, 05.09.2011 - 09.09.2011.

Syversveen, Anne Randi; Nilsen, Halvor Møll; Lie, Knut-Andreas; Tveranger, Jan; Abrahamsen, Petter. A study on how top surface morphology influences the CO2 storage capacity. Workshop, Impact of realistic geological models on simulation of CO2 storage; Bergen, 22.11.2011 - 24.11.2011.

Abrahamsen, Petter. Statistics in the petroleum industry. Konferanse, 23rd Nordic Conference on Mathematical Statistics (NORDSTAT), 15.06.2010.

Georgsen, Frode; Røe, Per; Syversveen, Anne Randi; Lia, Oddvar. Fault Displacement Modelling Using 3D Vector Fields. Konferanse, 12th European Conference on the Mathematics of Oil Recovery (Ecmor), 06.09.2010.

Hauge, Ragnar; Syversveen, Anne Randi; Georgsen, Frode; Tollefsrud, Jan Inge. Local update of object models. Konferanse, Production Geoscience, Stavanger November 2-3 2010, 03.11.2010.

Hollund, Knut Utne; Hauge, Ragnar; Rosenlund, Helge; Akcora, Svein. Hitting Bull’s-eye with Time and Cost Estimates by Combining Statistics and Engineering, a Statoil Case Study. Konferanse, SPE ATCE 2010, Florence, Italy, 21.09.2010.

Kolbjørnsen, Odd; Hauge, Ragnar; Ng, Sebastian. Deriving Deterministic Facies Probabilities from Stochastic Inversion. Konferanse, Quantitative Interpretation: Reducing Uncertainty Through Integration of Petrophysics, Geophysics, G, 30.06.2010.

Nivlet, Phillippe; Ng, Sebastian; Hetle, Mari -Anne; Hauge, Ragnar; Dahle, Pål; Kolbjørnsen, Odd. Integration of seismic data and uncertainties in the facies model; application to the Snorre field. Konferanse, 72nd EAGE Conference & Exhibition, Barcelona 2010, 14.06.2010.

Røe, Per; Abrahamsen, Petter; Georgsen, Frode; Syversveen, Anne Randi; Lia, Oddvar. SPE 134912 - Flexible Simulation of Faults. Konferanse, SPE ATCE 2010, Florence, Italy, 21.09.2010.

Abrahamsen, Petter. STK 4050 Stochastic Simulation – Some Practical Applications and Problems. , , . Full-text 

Førland, Maren Drange; Hauge, Ragnar; Stien, Marita. Bayesianske nettverk og oljeleiting. Konferanse, Det 15. norske statistikermøtet, Jevnaker 2009, 16.06.2009.

Kjønsberg, Heidi; Hauge, Ragnar; Kolbjørnsen, Odd; Buland, Arild. Integrating Stochastic Rock Physics in Seismic Pre-drill Prospect Risk and Reservoir Quality Assessment. Konferanse, SEG Annual Meeting 2009, 28.10.2009. Full-text 

MacDonald, Alister; Lægreid, Ulf; Tollefsrud, Jan Inge; Skorstad, Arne. Fluvial sandbody architecture of the Escanilla outcrop. Konferanse, The Geological Society of London: Sediment Body Geometry and Heterogeneity, 23.10.2009.

Abrahamsen, Petter; Fjellvoll, Bjørn; Hauge, Ragnar; Howell, John; Aas, Tor Even. TuMod – Process Based Stochastic Modelling of Deep Marine Deposits. Konferanse, MassFlow-3D Seminar/Workshop 2008; Stavanger, 23.01.2008.

Buland, Arild; Kolbjørnsen, Odd; Hauge, Ragnar. Fast Bayesian Seismic Prestack Inversion with Consistent Coupling to Rock Physics. Konferanse, 70th EAGE Conference & Exhibition, 09.06.2008.

Fjellvoll, Bjørn; Abrahamsen, Petter; Hauge, Ragnar; Howell, John; Aas, Tor Even. Stochastic modelling of deep marine deposits by mimicking sedimentary processes. Konferanse, 33rd International Geological Congress, 08.08.2008.

Holden, Lars. Klima og statistikk. Seminar, Seminar om klima og statistikk; Oslo, 07.02.2008.

Hollund, Knut Utne; Kolbjørnsen, Odd; Hauge, Ragnar; Lie, Tove; Jørstad, Arild. From Geological Knowledge to Good Decisions using @Risk models. Konferanse, Palisade User Conference 2008, London, 22.04.2008.

Kjønsberg, Heidi; Kolbjørnsen, Odd. Markov Mesh Simulations with Data Conditioning through Indicator Kriging. Konferanse, Geostats 2008, Eighth International Geostatistics Congress, 04.12.2008. Full-text 

Kolbjørnsen, Odd; Stien, Marita. D-vine Creation of Non-Gaussian Random Field, twopoint interactions to the limit. Konferanse, Eight International Geostatistics Congress, Santiago Chile,1-5 desember 2008, 01.12.2008.

Ng, Sebastian; Dahle, Pål; Hauge, Ragnar; Kolbjørnsen, Odd. Estimation of facies probabilities on the Snorre field using AVA inversion. Konferanse, SEG, 78th annual meeting, Las Vegas, 13.11.2008. Full-text 

Skorstad, Arne; Georgsen, Frode; Abrahamsen, Petter; Smørgrav, Eivind. Reservoir Characterization Improvement by Accounting for Well Test Extracted Effective Permeabilities. Konferanse, 11th European Conference on the Mathematics of Oil Recovery; Bergen, 08.09.2008 - 11.09.2008.

Tveranger, Jan; Cardozo, Nestor; Kjeldaas, G.C.; Nøttveit, Henning; Røe, Per. Volumetric fault zone modelling using fault facies. Konferanse, Fault Zones: Structure, Geomechanics and Fluid Flow; London, 18.09.2008.

Aas, Tor Even; Howell, John; Fjellvoll, Bjørn; Abrahamsen, Petter; Hauge, Ragnar. A process based attempt to re-create the Peïra Cava sub-basin, SE France. Konferanse, British Sedimentological Research Group Conference and Annual General Meeting 2007, Univ. Birmingham, 17.12.2007. Full-text 

Aas, Tor Even; Hauge, Ragnar; Fjellvoll, Bjørn; Abrahamsen, Petter; Howell, John Anthony; Tucker, Steven. Process based modelling of deep marine reservoir systems. Konferanse, AAPG (Am. Assoc. Petrol. Geol.) Annual Convention; Long Beach California, 01.04.2007 - 04.04.2007.

Abrahamsen, Petter. Stochastic Modeling of Turbidite Sedimentation. Konferanse, IMA Conf. on Modelling Permeable Rocks, 26 – 29 March, 2007 Univ. of Edinburgh, 26.03.2007.

Abrahamsen, Petter; Fjellvoll, Bjørn; Hauge, Ragnar; Howell, John Anthony; Aas, Tor Even. Process Based Stochastic Modeling of Deep Marine Reservoirs. Konferanse, Petroleum Geostatistics 2007; Cascais, 10.09.2007. Full-text 

Abrahamsen, Petter; Fjellvoll, Bjørn; Hauge, Ragnar; Howell, John; Aas, Tor Even. Stochastic modelling of deep - marine deposits. Konferanse, NGF, Production Geoscience 2007, Stavanger, 5-6 November 2007, 05.11.2007. Full-text 

Abrahamsen, Petter. TuMod – Stochastic Modeling of Turbidite Sedimentation. Konferanse, Statoil nettverksmøte for geologi og geomodellering, strukturgeologi og sedimentologi; Bergen, 30.05.2007. Full-text 

Buland, Arild; Kolbjørnsen, Odd; Hauge, Ragnar. Fast Bayesian prediction of lithology and fluid classes and rock properties from seismic data. Konferanse, Challenges in Seismic Rock Physics, Beijing workshop, 01.07.2007.

Cardozo, Nestor; Røe, Per; Soleng, Harald Heimtun; Tveranger, Jan. Volume based strain computation in Havana: A methodology for efficiently populating corner point grids with strain. Konferanse, NGF Vinterkonferansen; Stavanger, 08.01.2007 - 10.01.2007.

Dahle, Pål; Hauge, Ragnar; Kolbjørnsen, Odd; Della Rossa, Ernesto; Luoni, Fabio; Marini, Alfonso Junio. Geostatistical AVO Inversion on a Deep-water Oil Field. Konferanse, Petroleum Geostatistics 2007, Cascais, Portugal, 14.09.2007. Full-text 

Georgsen, Frode; Abrahamsen, Petter; Skorstad, Arne. Combining Well Logs and Well Test Data in Permeability Modelling Using Fast Fourier Transform. Konferanse, EAGE Petroleum Geostatistics 2007, 11.09.2007. Full-text 

Hauge, Ragnar; Kolbjørnsen, Odd; Buland, Arild. Feasibility of lithology and fluid prediction from seismic data. Konferanse, SEG 2007 77th Annual Meeting, 26.09.2007.

Helgaker, Trygve; Dahle, Pål; Jonsson, Dan; Taylor, Peter R.. Explicit Correlation by a Combined Use of Gaussian-Type Orbitals and Gaussian-Type Geminals. Konferanse, Symposium on Advanced Methods of Quantum Chemistry and Physics (SAMQCP) 2007, Torun, Poland, Septe, 02.09.2007.

Helgaker, Trygve; Helgaker, Trygve; Dahle, Pål; Jonsson, Dan; Taylor, Peter R.. Quantum-chemical calculations with Gaussian-type orbital and geminal basis sets. Årsmøte, Kemisk Forenings Årsmøde i Odense; Odense, 07.06.2007.

Helgaker, Trygve; Helgaker, Trygve; Dahle, Pål; Jonsson, Dan; Taylor, Peter R.. Quantum-Chemical Calculations Using Gaussian-Type Orbital and Gaussian-Type Geminal Basis Sets. Konferanse, The 47th Sanibel Symposium; St. Simons Island, Georgia, 22.02.2007 - 27.02.2007.

Hollund, Knut Utne; Kolbjørnsen, Odd; Syversveen, Anne Randi; Jørstad, Arild; Lie, Tove. Using "Fast models" for Making the Right Decision - A Norwegian North Sea Case". Konferanse, SPE Annual Technical Conference and Exhibition, Anaheim, California, U.S.A., 12.11.2007.

Kolbjørnsen, Odd; Hauge, Ragnar; Buland, Arild. Depth-to-time conversion errors in Bayesian seismic wavelet estimation. Konferanse, Petroleum Geostatistics 2007, Cascais, Portugal, 14.09.2007. Full-text 

Skorstad, Arne; Røe, Per; Syversveen, Anne Randi; Soleng, Harald Heimtun; Tveranger, Jan. Volumetric Modelling of Faults. Konferanse, EAGE Petroleum Geostatistics, 11.09.2007.

Skorstad, Arne; Tveranger, Jan. Fault Facies – a new concept for data integration in reservoir fault zones. Konferanse, SEG/AAPG/SPE Data Fusion Workshop, Vancouver, BC, Canada, 16.10.2007.

Soleng, Harald Heimtun; Skorstad, Arne. Global Upscaling. Konferanse, Upscaling Workshop at CIPR, 23-24 April 2007, 24.04.2007. Full-text 

Stien, Marita; Kolbjørnsen, Odd; Hauge, Ragnar; Abrahamsen, Petter. Modification of the SNESIM algorithm. Konferanse, EAGE Petroleum Geostatistics, Cascais, Portugal, 10.09.2007. Full-text 

Tveranger, Jan; Braathen, A.; Cardozo, Nestor; Espedal, M.; Fredman, Niclas; Fossen, H.; Nøttveit, H.; Røe, Per; Skorstad, Arne; Soleng, Harald H.; Syversveen, Anne Randi. Fault Facies modelling – a practical approach to incorporating 3D fault architecture in standard reservoir models. Konferanse, AAPG International Energy Conference and Exhibition, Athens, Greece, 20.11.2007. Full-text 

Tveranger, Jan; Braathen, A.; Cardozo, Nestor; Espedal, M.; Fredman, Niclas; Fossen, H.; Nøttveit, H.; Røe, Per; Skorstad, Arne; Soleng, Harald Heimtun; Syversveen, Anne Randi. Faults in reservoir models – unwanted surprises and new methods for avoiding them. Konferanse, 14th SPE Bergen One Day seminar, 18.04.2007. Full-text 

Tveranger, Jan; Braathen, Alvar; Cardozo, Nestor; Espedal, Magne; Fredman, N; Fossen, Haakon; Nøttveit, Henning; Røe, Per; Skorstad, Arne. Fault Facies Modelling - a practical approach to incorporating 3D fault architecture in standard reservoir models. Konferanse, AAPG and AAPG European region energy conference and exhibition: Challenge our myths; Athens, 18.11.2007 - 21.11.2007.

Dahle, Pål; Hauge, Ragnar; Kolbjørnsen, Odd; Pham, Nam Hoai. Geostatistical AVO inversion on Smørbukk Sør. Konferanse, SEG 2006 International Exposition and 76th Annual Meeting, 05.10.2006.

Drottning, Åsmund; Lecomte, Isabelle; Gjøystdal, Håvar; Skorstad, Arne; Kolbjørnsen, Odd; Huseby, Olaf. Modeling the Seismic Response to Production. A Closer Look at the Sensitivity to Overburden, Survey, Rock Physics Model and Seismic Modeling Approach. Konferanse, Norsk Petroleumsforenings Biennial Geophysical Seminar, \Closing the gap in reserves replacement\"", 27.03.2006.

Hauge, Ragnar; Syversveen, Anne Randi; Berg, John Inge. Stochastic modelling of objects seen on seismic. Konferanse, Quantitative Methods for Reservoir Characterization, 03.04.2006. Full-text 

Hollund, Knut Utne; Hauge, Ragnar; Syversveen, Anne Randi; Jørstad, Arild; Lie, Tove; Rønnevik, Hans Christian. From Geological Models to Good Decisions Using Simple Stochastic Models, a North Sea Case Study. Konferanse, SPE/EAGE Workshop, \What do Geoscientists and Engineers Need to do to Better Manage Uncertainty. Dub, 14.03.2006.

Syversveen, Anne Randi; Skorstad, Arne; Soleng, Harald Heimtun; Røe, Per; Tveranger, Jan. Facies modelling in fault zones. Konferanse, 10th european Converence on the Mathematics of Oil Recovery (ECMOR X); Amsterdam, 04.09.2006 - 07.09.2006.

Abrahamsen, Petter. Stochastic models linking physics, interpretations, and ambiguities. Konferanse, SPE ATW, Integrating Geosciences and Engineering for Reservoir Characterization Models, 06.06.2005.

Dahle, Pål; Hauge, Ragnar; Kolbjørnsen, Odd; Pham, Nam Hoai. Bayesian AVO Inversion and Application to a Case Study. Konferanse, Production Geoscience 2005 - Understanding and modelling geological heterogeneity, 15.11.2005. Full-text 

Hauge, Ragnar; Skorstad, Arne; Syversveen, Anne Randi; Holden, Lars. Geological modelling with marked point processes. Konferanse, 25th European Meeting of Statisticians. Oslo, 01.07.2005.

Hauge, Ragnar; Syversveen, Anne Randi; Berg, John Inge. Stochastic modelling of objects seen on seismic. Konferanse, Production Geoscience. Stavanger, 16.01.2005.

Hollund, Knut Utne; Hauge, Ragnar; Syversveen, Anne Randi; Jørstad, Arild; Lie, Tove; Rønnevik, Hans Christian. From geological knowledge to good decisions using simple stochastic models, a north sea case study. Konferanse, Society of Petroleum Engineers Annual Technical Conference and Exhibition 2005, 11.10.2005.

Hollund, Knut Utne; Syversveen, Anne Randi; Jørstad, Arild; Lie, Tove. Making Good Decisions Using Simple Stochastic Models. Konferanse, Production Geoscience. Stavanger, 16.01.2005.

Howell, John; Skorstad, Arne; Fjellvoll, Bjørn; Kolbjørnsen, Odd; MacDonald, Alister; Fordham, Alex; Stephen, Karl D.; Flint, Stephen; Manzocchi, Tom; Walsh, John J.; Carter, Jonathan N.. Sedimentological controls on production with the SAIGUP project. Konferanse, The Future of Geological Modelling in Hydrocarbon Development, 01.01.2005.

Kolbjørnsen, Odd; Syversveen, Anne Randi. Estimation of time shift in 4D seismic data. Konferanse, Production Geoscience 2005 - Understanding and modelling geological heterogeneity, 15.11.2005. Full-text 

Manzocchi, Tom; Carter, Jonathan N.; Matthews, John D.; Skorstad, Arne; Howell, John; Walsh, John J.; Strand, Julian A.. Analysis of the structural controls on oil production - parameterisation for rapid estimation of reservoir performance. Konferanse, The Future of Geological Modelling in Hydrocarbon Development, 01.01.2005.

Syversveen, Anne Randi; Skorstad, Arne; Soleng, Harald H.; Røe, Per; Tveranger, Jan. A prototype workflow for Fault Facies geo-modeling. Konferanse, Production Geoscience 2005, 15.11.2005.

Tveranger, Jan; Howell, John; Aanonsen, Sigurd Ivar; Kolbjørnsen, Odd; Semshaug, Siv L.; Skorstad, Arne; Ottesen, Signe. Assessing structural controls upon reservoir performance in different stratigraphic settings. Konferanse, The Future of Geological Modelling in Hydrocarbon Development, Burlington House, London, UK, 07.01.2005.

Tveranger, Jan; Aanonsen, Sigurd; Braathen, Alvar; Espedal, M.; Fossen, Haakon; Hesthammer, Jonny; Howell, John Anthony; Pettersen, Ø; Skorstad, Arne; Skar, Tore; Sverdrup, Einar; Syversveen, Anne Randi. The Fault Facies Project -3D modelling of faults and tectonic impact in petroleum reservoirs. Konferanse, 27th Nordic Geological Winter meeting; Røros, 09.01.2005 - 12.01.2005.

Abrahamsen, Petter. Stochastic modelling linking physics, interpretations, and ambiguities. Konferanse, SPE ATW, Cost-effective Field Development: From Geological Modeling to Flow Simulation, Dubai 12-15, 12.12.2004.

Almendral-Vazquez, Ariel; Oosterlee, Cornelis; Leentvaar, C.W.. Pricing options with discrete dividends by high order finite differences and grid stretching. Konferanse, Computational Methods in Applied Sciences and Engineering ECCOMAS 2004, 24.07.2004.

Kolbjørnsen, Odd; Abrahamsen, Petter. The Cloud Transform. Konferanse, 4th IMA Conference on Modelling Permeable Rocks, 01.03.2004.

Skorstad, Arne; Soleng, Harald Heimtun. Upscaling: from local averaging to global methods. Konferanse, FORCE Upscaling Seminar, Norwegian Petroleum Directorate, Stavanger, 01.03.2004.

Soleng, Harald Heimtun; Rivenæs, Jan C.; Gjerde, Jon; Hollund, Knut Utne; Holden, Lars. Structural uncertainty modelling and the representation of faults as staircases. Konferanse, 9th European Conference on the Mathematics of Oil Recovery. ECMOR IX Proceedings; Cannes, 30.08.2004. Full-text 

Tchistiakov, Alexei; Nepveu, Manuel; Manzocchi, Tom; Carter, Jonathan N.; Skorstad, Arne. An internet database for analysing hydrocarbon production sensitivity. Konferanse, EAGE 66th Conference & Exhibition, Paris, France, June 7-10, 2004, 01.06.2004.

Tveranger, Jan; Aanonsen, Sigurd Ivar; Braathen, A.; Espedal, M.; Fossen, H.; Hesthammer, J.; Howell, John; Pettersen, Ø.; Skorstad, Arne; Skar, T.; Sverdrup, Einar; Syversveen, Anne Randi. The fault facies project - 3D modelling of faults and tectonic impact in petroleum reservoirs. Konferanse, Production Geoscience 2004, 01.11.2004.

Almendral-Vazquez, Ariel; Nielsen, Bjørn Fredrik. The multigrid algorithm applied to the discretized Black and Scholes equation; a convergence analysis. Konferanse, 11th GAMM-Workshop on Multigrid and Hierarchic Solution Techniques, 25.08.2003.

Buland, Arild; Kolbjørnsen, Odd; Omre, Henning. Rapid spatially coupled AVO inversion. Konferanse, 73rd SEG International Exposition and Annual Meeting; Dallas, Texas, 31.10.2003.

Hirst, David; Storvik, Geir; Syversveen, Anne Randi. A hierarchical modelling approach to combining environmental data at different scales. Konferanse, Detecting Environmental Change, Proceedings, London, 01.01.2003.

Howell, John; MacDonald, Alister; Fjellvoll, Bjorn; Skorstad, Arne; Fordham, Alex; Flint, Stephen. Testing reservoir sensitivity in heterogeneities shallow marine reservoirs. Konferanse, AAPG Annual Meeting 2003. Salt Lake City, USA, 11.05.2003.

Howell, John; MacDonald, Alister; Skorstad, Arne; Fjellvoll, Bjorn; Flint, Stephen; Manzocchi, Tom; Carter, Jonathan N.. Testing the sensitivity of shallow marine reservoirs to sedimentological and structural heterogeneity. Konferanse, 4th Norwegian Heterogeneity Conference. Bergen, 01.02.2003.

Kolbjørnsen, Odd; Fjellvoll, Bjørn; Skorstad, Arne; Holden, Lars. Analysing the influence of structural factors on oil production in shallow marine hydrocarbon reservoirs. Konferanse, The 4th Norwegian Heterogeneity conference, Bergen, 01.02.2003.

Manzocchi, Tom; Strand, Julian A.; Matthews, John D.; Skorstad, Arne; Carter, Jonathan N.; Howell, John; Stephen, Karl D.. Sensitivity analysis of the influence of faults on oil production from shallow marine reservoirs. Konferanse, Fault and Top Seals. Montpellier, France, 01.09.2003.

Skorstad, Arne; Hauge, Ragnar. Combining elastic inversion data into a facies probability cube. Konferanse, 4th Norwegian Heterogeneity Conference. Bergen, 01.02.2003.

Skorstad, Arne; Fjellvoll, Bjørn; Carter, Jonathan N.; Howell, John; Manzocchi, Tom; Stephen, Karl D.. Quantifying structural, stratigraphic and production variability in faulted shallow marine reservoirs. Konferanse, SPE ATW Cost-Effective Field Development: From Geological Modelling to Flow Simulation. December 12, 01.12.2003.

Stephen, Karl D.; Yang, Canghu; Carter, Jonathan N.; Howell, John; Manzocchi, Tom; Matthews, John D.; Skorstad, Arne; Walsh, John J.. Sensitivity Analysis on the Influence of Small-Scale Properties and Upscaling on Reservoir Production. Konferanse, Heriot-Watt Stanford Forum, 31st August 4th September 2003, Peebles, Scotland, 01.09.2003.

Syversveen, Anne Randi; Hauge, Ragnar; MacDonald, Alister. Modelling turbidite reservoirs using vector steering of facies bodies and 3D intrabody petrophysical trends. Konferanse, The 4th Norwegian Heterogeneity conference. Bergen, 11.02.2003.

Fjellvoll, Bjørn; Skorstad, Arne; Howell, John; MacDonald, Alister. Modelling dipping clinoform barriers constrained to Facies:Belts. Konferanse, 5th Roxar International User Conference. Paris, France, 01.11.2002.

Skorstad, Arne; Fjellvoll, Bjørn. Managing the SAIGUP senitivity study using RMS Workflow Management and IPL. Konferanse, 5th Roxar International User Conference. Paris, France, 01.11.2002.

Hauge, Ragnar; Holden, Lars; Syversveen, Anne Randi. Conditioning in a marked point process used for modelling geology. Konferanse, RSS2001 Spatial Modelling. University of Glasgow., 01.07.2001.

Hauge, Ragnar; MacDonald, Alister; Holden, Lars; Syversveen, Anne Randi. Validation of facies object models. Konferanse, Modelling Permeable Rocks; Cambridge, Enland, 01.03.2001.

Holden, Lars; Sannan, Sigurd; Soleng, Harald Heimtun. Bayesian sampling algorithms for history matching. Konferanse, Modelling Permeable Rocks; Cambridge, Enland, 01.03.2001.

Holden, Lars; Abrahamsen, Petter. Recent development in conditioning reservoir models using geostatistics. Konferanse, Key Uncertainties from Seismic to Geomodelling, Force seminar, 05.06.2001.

Holden, Lars; Nielsen, Bjørn Fredrik; Mostad, Petter Fredrik; Skorstad, Arne; Almendral-Vazquez, Ariel; Ottesen, Signe; Townsend, Chris. A stochastic structural model. Konferanse, Modelling Permeable Rocks; Cambridge, Enland, 01.03.2001. Full-text 

Holden, Lars; Nielsen, Bjørn Fredrik; Almendral-Vazquez, Ariel; Townsend, Chris. Stochastic structural modeling in Havana. Konferanse, 63rd EAGE conference; Amsterdam, The Netherlands, 13.06.2001.

Arntzen, Ole Jakob; Hauge, Ragnar; Holden, Lars. Conditioning on data in stochastic reservoir models. Konferanse, 21st Annual International Energy Agency Workshop and Symposium, 01.09.2000.

Barker, John. W.; Cuypers, Maarten; Holden, Lars. Quantifying Uncertainty in Production Forecasts: Another Look at the PUNQ-S3 Problem, SPE 62925-MS. Konferanse, 2000, SPE Annual Technical Conference and Exhibition; Dallas, 01.10.2000 - 04.10.2000. Full-text 

Benth, Fred Espen; Gjerde, Jon; Sannan, Sigurd. Portfolio Management and correlation. Konferanse, AFIR 2000 Colloquium; Tromsø, 01.06.2000. Full-text 

Floris, F.J.T.; Bush, M.D.; Cuypers, Maarten; Roggero, F.; Syversveen, Anne Randi. Methods for quantifying uncertainty in production forecasts - A comparative study. Konferanse, AAPG Hedberg Symposium. Applied Reservoir Characterization Using Geostatistics. Proceedings. The Woo, 03.12.2000.

Holden, Lars; Nielsen, Bjørn Fredrik; Sannan, Sigurd. Upscaling of permeability using global norms. Konferanse, European Conference on the Mathematics of Oil Recovery; Baveno, Lago Maggiore, Italy, 01.09.2000. Full-text 

Holden, Lars; Arntzen, Ole Jakob; Hauge, Ragnar. Conditioning reservoir models. Konferanse, Petroforsk seminar, 01.10.2000.

Holden, Lars; Hauge, Ragnar; Skorstad, Arne; Soleng, Harald Heimtun; Syversveen, Anne Randi. History matching using geostatistics. Konferanse, SPE forum, History matching - Advanced techniques, 01.02.2000.

Hollund, Knut Utne; Mostad, Petter Fredrik; Nielsen, Bjørn Fredrik; Holden, Lars; Gjerde, Jon; Contursi, Maria Grazia; McCann, Andrew J.; Townsend, Christopher; Sverdrup, Einar. Havana - a fault modeling tool. Konferanse, Norwegian Petroleum Society Conference on Hydrocarbon Seal Quantification, 16.10.2000.

Abrahamsen, Petter. Why use stochastic models with time consuming simulation algorithms. Konferanse, Roxar user conference. Houston TX, 01.10.1999.

Abrahamsen, Petter. Faults and horizon modelling. Konferanse, EAGE/SPE international symposium on petroleum geostatistics; Toulose, 20.04.1999 - 23.04.1999.

Holden, Lars; Nielsen, Bjørn Fredrik. Global upscaling of permeability. Konferanse, Annual Conference of the International Association for Mathematical Geology, 5; Trondheim, 01.01.1999. Full-text 

Holden, Lars; Soleng, Harald Heimtun; Syversveen, Anne Randi. History matching with uncertainty quantification. Konferanse, 5th Annual Conference of the International Association for Mathematical Geology; Trondheim, 01.08.1999. Full-text 

Abrahamsen, Petter; Hauge, Ragnar; Heggland, Knut; Mostad, Petter F.. Uncertain Cap Rock Geometry, Spill Point, and Gross Rock Volume, SPE 49286. Konferanse, SPE Annual Tecnical Conference and Exhibition. Proceedings.; New Orleans, Louisiana, USA, 27.09.1998.

Eide, Alfhild Lien; Syversveen, Anne Randi. Marked point model of facies units conditioned to seismic traces and well data. Konferanse, 3rd Norwegian Heterogeneity Conference, Gardermoen, 05.11.1998.

Hauge, Ragnar; Skorstad, Arne; Gjerde, Jon; Holden, Lars. Conditioning object models to general well data. Konferanse, 3rd Norwegian heterogeneity conference, 05.11.1998.

Hauge, Ragnar; Skorstad, Arne; Holden, Lars. Conditioning a fluvial model on convolved seismic amplitudes. Konferanse, Modelling Permeable Rocks, 01.03.1998. Full-text 

Mostad, Petter F.; Gjerde, Jon. Multifractal simulation of fault clusters. Konferanse, 3rd Norwegian heterogeneity conference, 05.11.1998.

Soleng, Harald Heimtun; Holden, Lars. Gridding for petroleum reservoir simulation. Konferanse, 6th International Conference on Numerical Grid Generation in Computational Field Simulations; Greenwich, 06.07.1998. Full-text 

Kjellesvik, Lars Edward; Scott, Jason; Hauge, Ragnar. Reducing N/G uncertainty for infill drilling on Forties by using 3D seismic conditioning. Konferanse, EAGE'97, 01.05.1997.

MacDonald, Alister; Tollefsrud, Jan Inge; Hauge, Ragnar; Skorstad, Arne; Holden, Lars. Multiwell conditioning of object models for fluvial reservoir. Konferanse, Stanford & Heriot-Watt University Forum on Reservoir Description and Modeling, 01.09.1997.

Skorstad, Arne; Hauge, Ragnar; Holden, Lars. Well conditioning in a fluvial reservoir model. Konferanse, Annual Conference for the International Association for Mathematical Geology, 22.09.1997. Full-text 

Soleng, Harald Heimtun. Adaptiv gridding for reservoir simulation. Konferanse, Smedvig Technologies Software User Conference. London, 13.11.1997.

Abrahamsen, Petter. Current and future methods for conditioning of reservoir descriptions to seismic data. Konferanse, The Sixth Geomatic User Conference, Oslo, 07.05.1996.

Abrahamsen, Petter. 3D-AVO in stochastic reservoir modelling - geostatistical methods for data integration. Konferanse, IKU seminar, 08.05.1996.

Lia, Oddvar; Tjelmeland, Håkon; Kjellesvik, Lars Edward. Modelling of facies architecture by marked point models. Konferanse, The Fifth International Geostatistical Congress; Wollongong, 22.09.1996 - 27.09.1996.

Abrahamsen, Petter. Geostatistics course. Konferanse, Odin Reservoir Software & Services AS, London, 28.02.1995.

Abrahamsen, Petter. Stochastic description of geological subsurfaces. Konferanse, PROPETRO-seminar, The Resourch Council of Norway. Soria Moria, Oslo, 22.09.1994.

Abrahamsen, Petter. Kriging derivatives. Konferanse, University of Oslo, 01.05.1994.

Abrahamsen, Petter. Geostatistics course. Konferanse, Norwegian Computing Center, Oslo, 19.03.1994.

Damsleth, Eivind; Holden, Lars. Mixed Reservoir Characterization Methods, SPE 27969-MS. Konferanse, University of Tulsa Centennial Petroleum Engineering Symposium, 1994; Tulsa, 29.08.1994 - 31.08.1994.

Munthe, Kristin Lucie; Holden, Lars; Mostad, Petter Fredrik; Townsend, Chris. Modelling sub-seismic fault patterns using a marked point process. Konferanse, ECMOR IV, European Conference on Mathematics of Oil Recovery; Røros, 07.06.1994.

Skorstad, Arne. Nablakomponentene på Norsk Regnesentral, hva regner vi på? Konferanse, Seminar arrangert av linjeforeningen Nabla ved Avdeling for fysikk og matematikk, NTH. Trondheim, 22.03.1994.

Egeland, Thore; Georgsen, Frode; Knarud, Ragnar; Omre, Henning. Conditional simulation of facies architecture in fluvial reservoirs. Workshop, Workshop on geostatistical simulations; Fontainebleau, 27.05.1993.

Egeland, Thore; Georgsen, Frode; Knarud, Ragnar; Omre, Henning. Multi facies modelling of fluvial reservoirs. Konferanse, 68th Annual Technical Conference and Exhibition of the Society of Petroleum Engineers; Houston, 03.10.1993 - 06.10.1993.

Munthe, Kristin Lucie; Holden, Lars; Omre, Henning; Damsleth, Eivind; Heffer, Kes; Olsen, Terkel S.; Watterson, Juan. Subseismic Faults in Reservoir Description and Simulation, SPE 26500-MS. Konferanse, 1993, SPE Annual Technical Conference and Exhibition; Houston, 03.10.1993 - 06.10.1993.

Egeland, Thore; Hatlebakk, Einar; Holden, Lars; Larsen, Even Åby. Designing Better Decisions, SPE 24275-MS. Konferanse, 1992 European Petroleum Computer Conference; Stavanger, 24.05.1992 - 27.05.1992.

Holden, Lars; Omre, Henning; Tjelmeland, Håkon. Integrated Reservoir Description, SPE 24261-MS. Konferanse, 1992 European Petroleum Computer Conference; Stavanger, 24.05.1992 - 27.05.1992.

Tyler, Kelly; Georgsen, Frode; Henriquez, Adolfo; Holden, Lars; Tjelmeland, Håkon. A program for 3-D modelling of heterogeneities in a fluvial reservoir. Konferanse, Third European Conference on the Mathematics of Oil Recovery; Delft, 17.06.1992.

Aasen, J. O.; Høye, Trond H.; MacDonald, A. C.; Grindheim, A. O.; Jacobsen, Torgrim; Storvik, Geir Olve; Holden, Lars. Stochastic heterogeneity models of thin, laterally continuous North Sea sandstones and their influence on simulated reservoir performance, SPE 22696. Konferanse, Society of Petroleum Engineers, 66th annual technical conference & exhibition; Dallas, Texas, 06.10.1991.

Abrahamsen, Petter. Stokastisk feltteori anvendt på seismisk dybdekonvertering. Konferanse, Geomøte -91, Oljedirektoratet. Stavanger, 14.02.1991.

Holden, Helge; Holden, Lars. A review of stochastic methods applied to petroleum reservoir evaluation. Konferanse, Stochastic processes, physics and Geometry; Locarno, 24.06.1991.

Aasen, Jan Ole; Silseth, John K.; Halvorsen, Kjetil B.; Holden, Lars; Høiberg, Jan; Omre, Henning. A stochastic reservoir model and its use in evaluations of uncertainties. Konferanse, 2nd International Conference on North Sea Oil and Gas Reservoirs; Trondheim, 08.05.1989.

Abrahamsen, Petter; Halvorsen, Kjetil B.. Prediksjon av tilstedeværende hydrokarbonvolum. Konferanse, 5. norske statistikermøte, Inderøy, 14.07.1989.

Bratvedt, Kyrre; Bratvedt, Frode; Buchholz, Christian; Holden, Helge; Holden, Lars; Risebro, Nils Henrik. A reservoir simulator based on front tracking. Konferanse, Society of Petroleum Engineers, 64th annual technical conference & exhibition, 01.10.1989.

Holden, Lars. On the strict hyperbolicity of the Buckley-Leverett equations for three-phase flow. Workshop, Workshop om equations that change type; Minneapolis, 01.03.1989.

Holden, Lars. On the strict hyperbolicity of the Buckley-Leverett equations for three-phase flow. Konferanse, ECMOR I, European Conference on the Mathematics of Oil Recovery; Cambridge, 01.07.1989.

Holden, Helge; Holden, Lars; Risebro, Nils Henrik. Some qualitative properties of 2x2 systems of conservation laws of mixed type. Workshop, Workshop om equations that change type; Minneapolis, 01.03.1989.

Holden, Helge; Holden, Lars. On some recent results for conservation laws in one dimension. Konferanse, 2nd International Conference on Hyperbolic Problems; Aachen, 14.03.1988.

Holden, Lars; Høiberg, Jan. Estimates of effective permeability. Konferanse, SPOR-konferansen; Stavanger, 20.09.1988.

Omre, Henning; Halvorsen, Kjetil B.; Holden, Lars; Høiberg, Jan. Reservoir heterogeneity, geological description and effects on fluid flow - models for heterogeneity. Konferanse, SPOR-konferansen; Stavanger, 20.09.1988.

Stordal, Kjell; Holden, Lars. Traffic forecasting models based on top down and bottum up procedures. Konferanse, 11th International Teletraffic Congress; Kyoto, 04.09.1985.

Scientific lectures

Abrahamsen, Petter. Machine learning - Finding Cut Rocks and Cute Animals. Konferanse, SINTEF Petroleum Conference 2019; Trondheim, 19.03.2019 - 20.03.2019.

Abrahamsen, Petter. Modelling Techniques. Konferanse, NPF 2019 Biennial Reservoir Characterization Conference; Sola, 03.12.2019 - 04.12.2019.

Abrahamsen, Petter. Compaction and Subsidence. Workshop, COHIBA workshop 2019; Oslo, 05.11.2019 - 06.11.2019.

Abrahamsen, Petter. Volume estimation, simulation and rejection sampling - Some rarely used COHIBA features. Workshop, COHIBA workshop 2019; Oslo, 05.11.2019 - 06.11.2019.

Abrahamsen, Petter. COHIBA - Consistent, robust, and accurate prediction of surfaces. Workshop, COHIBA workshop 2019; Oslo, 05.11.2019 - 06.11.2019.

Abrahamsen, Petter. A historic perspective on Bayesian surface modelling. Workshop, COHIBA workshop 2019; Oslo, 05.11.2019 - 06.11.2019.

Aker, Eyvind; Røe, Per; Hauge, Ragnar; Abrahamsen, Petter. PCube+ principles. Workshop, Workshop; Oslo, 23.01.2019 - 24.01.2019.

Aker, Eyvind; Røe, Per; Hauge, Ragnar; Abrahamsen, Petter. PCube+ principles. Workshop, Workshop; Stavanger, 04.03.2019.

Almendral Vazquez, Ariel; Abrahamsen, Petter; Dahle, Pål; Sektnan, Audun. A novel implementation of the LinVel model. Workshop, Cohiba workshop 2019; Oslo, 05.11.2019 - 06.11.2019.

Almendral Vazquez, Ariel; Abrahamsen, Petter; Dahle, Pål; Sektnan, Audun. Getting the most out of your deep directional resistivity data. Workshop, Cohiba workshop 2019; Oslo, 05.11.2019 - 06.11.2019.

Dahle, Pål; Abrahamsen, Petter; Almendral Vazquez, Ariel. Handling true vertical depth (TVD) uncertainty in wells. Workshop, COHIBA workshop 2019; Oslo, 05.11.2019 - 06.11.2019.

Dahle, Pål. Choosing depth-conversion models using cross validation of wells. Workshop, COHIBA workshop 2019; Oslo, 05.11.2019 - 06.11.2019.

Fjellvoll, Bjørn; Hauge, Ragnar; Almendral Vazquez, Ariel; Abrahamsen, Petter; Skauvold, Jacob. Applied Geostatistics and Geomodelling 2019. Annet, Kurs for Equinor; Stavanger, 08.09.2019 - 11.09.2019.

Røe, Per. Comparing the CRAVA, PCube and PCube+ inversion algorithms. Workshop, The Sharp Reflections GATHERing; Berlin, 24.10.2019 - 25.10.2019.

Røe, Per; Kolbjørnsen, Odd; Hauge, Ragnar. Comparison of one- and two-step seismic inversion for Lithology and Fluid prediction. Workshop, PCube+ inversion workshop; Fornebu, Bærum, 24.01.2019.

Sektnan, Audun; Dahle, Pål; Almendral Vazquez, Ariel; Abrahamsen, Petter. Getting the zonation right. A synthetic real-time case study. Workshop, COHIBA workshop 2019; Oslo, 05.11.2019 - 06.11.2019.

Aarnes, Ingrid; Fjellvoll, Bjørn; van der Vegt, Helena; Nordahl, Kjetil. Using sedimentary process models to assist reservoir facies modeling. Konferanse, NPF Reservoir Characterization conference, 03.12.2017.

Abrahamsen, Petter. Norsk Regnesentral, Joining Forces 2016. Seminar, Joining Forces 2016; NPD, Stavanger, 02.02.2016 - 03.02.2016.

Fjellvoll, Bjørn; Abrahamsen, Petter; Hauge, Ragnar; Almendral Vazquez, Ariel. Geostatistics course. Annet, Kurs for Statoil; Bergen, 07.11.2016 - 10.11.2016.

Abrahamsen, Petter. Geostatistics course. Annet, Kurs for Det norske oljeselskap; Oslo, 26.08.2015 - 27.08.2015.

Dahle, Pål; Abrahamsen, Petter; Almendral-Vazquez, Ariel. Simultaneous prediction of geological surfaces and well paths. Annet, Roxar Technology Day; Stavanger, 28.10.2015.

Fjellvoll, Bjørn; Hauge, Ragnar; Abrahamsen, Petter; Almendral-Vazquez, Ariel. Four days course in Geostatistics and Advanced Geomodelling. Seminar, Geostatkurs for Statoil; Stavanger, 10.11.2015 - 13.11.2015.

Posters at scientific conferences

Goodwin, Håvard; Aker, Eyvind; Røe, Per. Stochastic Simulation of Sub-Seismic Faults Conditioned on Displacement Intensity Maps. Fault and Top Seals; Palermo, 08.09.2019 - 12.09.2019.

Sanchis, Charlotte Juliette; Hauge, Ragnar; Kjønsberg, Heidi. Expecting the unexpected: The influence of elastic parameter variance on Bayesian facies inversion. Petroleum Geostatistics 2019; Florence, 02.09.2019 - 06.09.2019.

Lilleborge, Marie. Petroleum prospecting : Information gathering in Bayesian Networks. Machine Learning Summer School, 25.04.2014 - 04.05.2014.

Kolbjørnsen, Odd; Ulvmoen, Marit; Hauge, Vera Louise; Hauge, Ragnar; Fjellvoll, Bjørn; Jensen, Erling Hugo; Johansen, Tor Arne; Dvorkin, Jack; Mavko, Gary; Furre, Anne-Kari; Johnston, David. Monitoring Geological CO2 storage. CLIMIT SUMMIT 2013; Oslo, 25.02.2013 - 26.02.2013. Full-text 

Qu, Dongfang; Tveranger, Jan; Røe, Per. Explicit modelling of Damage zone properties. Mathematical and Computational Issues in geosciences, SIAM 2013; Padova, 17.06.2013 - 30.06.2013.

Qu, Dongfang; Tveranger, Jan; Røe, Per. Explicit modelling of fault damage zone properties. 2013 SIAM Conference on Mathematical and Computational Issues in the Geosciences; Padua, 17.06.2013 - 20.06.2013.

Qu, Dongfang; Røe, Per; Tveranger, Jan. An Improved Method for Generating Fault Zone Grid. EAGE Fault and Top Seals 2012; Montpellier, 01.10.2012 - 03.10.2012. Full-text 

Syversveen, Anne Randi; Abrahamsen, Petter; Tveranger, Jan; Nilsen, Halvor Møll; Lie, Knut-Andreas. A Study on How Cap Rock Geometry Influences the CO2 Storage Capacity. Industrial Structural Geology; Burlington House, Picadilly, London, 28.11.2012 - 30.11.2012.

Abrahamsen, Petter; Dahle, Pål; Georgsen, Frode; Skorstad, Arne. A Consistent Geostatistical Approach for Constraining Multiple Surfaces to Horizontal Wells. GEO 2010 - 9th Middle East Geoscience Conference and Exhibition, 7 - 10 March 2010, Manama, Bahrain, 08.03.2010. Full-text 

Sanchis, Charlotte Juliette; Hanssen, Alfred. Attenuation of Seismic Noise by Sparse Code Shrinkage. 72nd EAGE Conference, 14.06.2010 - 17.06.2010.

Georgsen, Frode; Syversveen, Anne Randi; Hauge, Ragnar; Tollefsrud, Jan Inge; Fismen, Morten. Local Update of Object-Based Geomodels. EAGE / SPE EuroPec 2008, 09.06.2008. Full-text 

Syversveen, Anne Randi. Modeling Atolls by Truncated Gaussian Simulation. Petroleum Geostatistics 2007, 12.09.2007.

Cardozo, Nestor; Røe, Per; Soleng, Harald Heimtun. Computing strain in faulted reservoirs. CIPR Petroleum Technology Seminar, 09.05.2006.

Skorstad, Arne; Kolbjørnsen, Odd; Drottning, Åsmund; Gjøystdal, Håvar; Huseby, Olaf. Information content in forward 4D seismic modeling and elastic inversion. International Petroleum Technology Conference (IPTC), 21.11.2005. Full-text 

Syversveen, Anne Randi; Hauge, Ragnar; MacDonald, Alister. Modelling turbidite reservoirs using object models. 1st North Africa/Mediterranean Petroleum & Geosciences Conference and Exhibition. Tunis, Tunisia; Tunis, 06.10.2003 - 09.10.2003.

Doctoral dissertations

Jullum, Martin. New focused approaches to topics within model selection and approximate Bayesian inversion. Oslo: Faculty of Mathematics and Natural Sciences, University of Oslo . pp 185. 2016.

Lilleborge, Marie. Efficient Information Gathering in Discrete Bayesian Networks. : University of Oslo Series of dissertations submitted to the Faculty of Mathematics and Natural Sciences, University of Oslo (ISSN 1501-7710). (No. 1796). pp 153. 2016. Abstract  Institutional archive 

Martinelli, Gabriele. Petroleum exploration with Bayesian Networks - From prospect risk assessment to optimal exploration. Trondheim: NTNU Doktoravhandlinger ved NTNU (ISSN 1503-8181). (2012:273). 2012.

Abrahamsen, Petter. Prediction of geological subsurfaces based on Gaussian random field models. : University of Oslo . 1997.

Holden, Lars. Some problems related to conservation laws and front tracking. Oslo: Norsk Regnesentral . pp 200. 1990.

Reports

Abrahamsen, Petter; Dahle, Pål; Kvernelv, Vegard Berg; Sektnan, Audun; Almendral Vazquez, Ariel; Aarnes, Ingrid. COHIBA User Manual Version 6.1. Norsk Regnesentral, Oslo. NR-notat SAND/05/20. pp 245. 2020.

Aker, Eyvind; Sanchis, Charlotte Juliette; Røe, Per; Kjønsberg, Heidi; Barker, Daniel Martin L; Rummelhoff, Ivar; Nilsen, Carl-Inge Colombo. PCube Reference Manual. Norsk Regnesentral, Oslo. NR-notat SAND/03/20. pp 38. 2020.

Aker, Eyvind. Inversion of seismic data on Aurora - a planned CO2 storage reservoir. Norsk Regnesentral, Oslo. NR-notat SAND/14/20. pp 23. 2020.

Almendral Vazquez, Ariel; Dahle, Pål; Abrahamsen, Petter. Compendium of Linvel formulas used in Cohiba. Norsk Regnesentral, Oslo. NR-notat SAND/02/20. pp 9. 2020.

Eikvil, Line; Waldeland, Anders U.; Barker, Daniel Martin L; Holden, Marit; Hauge, Ragnar; Salberg, Arnt Børre. Deep learning in seismic interpretations - Development and experiments 2020. Norsk Regnesentral, . NR-notat SAMBA/51/20. pp 26. 2020.

Fjeldstad, Torstein Mæland; Røe, Per; Hauge, Ragnar. Lithology/fluid class prediction based on a lateral model. Norsk Regnesentral, . NR-notat SAND/18/20. pp 78. 2020.

Goodwin, Håvard; Lilleborge, Marie; Abrahamsen, Petter. Decision Nodes - Uncertainty propagation in decision trees. Norsk Regnesentral, . NR-notat SAND/06/20. pp 50. 2020.

Kjønsberg, Heidi; Nilsen, Carl-Inge Colombo; Hauge, Ragnar. 4D synthetic tests. Norsk Regnesentral, Oslo. NR-notat SAND/16/20. pp 26. 2020.

Kvernelv, Vegard Berg; Hauge, Ragnar; Skauvold, Jacob. Geomodel Parameter Estimation from Process Model Analogues. Norsk Regnesentral, Oslo. NR-notat SAND/08/20. pp 83. 2020.

Lilleborge, Marie; Hauge, Ragnar. Modelling Well Cost - A simple model of well cost based on Rushmore data. Norsk Regnesentral, . NR-notat SAND/17/20. pp 20. 2020.

Nilsen, Carl-Inge Colombo. PCube+ Command Line User Manual 2020. Norsk Regnesentral, . NR-notat SAND/10/20. pp 11. 2020.

Røe, Per; Hauge, Ragnar; Aker, Eyvind; Barker, Daniel Martin L; Nilsen, Carl-Inge Colombo; Sanchis, Charlotte Juliette; Kjønsberg, Heidi; Abrahamsen, Petter; Nesvold, Erik. GIG annual meeting 2020 Summary of 2019 and planned work for 2020. Norsk Regnesentral, Oslo. NR-notat SAND/01/2020. pp 31. 2020.

Røe, Per; Aker, Eyvind; Barker, Daniel Martin L; Hauge, Ragnar; Kjønsberg, Heidi; Nesvold, Erik; Nilsen, Carl-Inge Colombo; Rummelhoff, Ivar; Sanchis, Charlotte Juliette. PCube+ User Manual Version 8.0. Norsk Regnesentral, Oslo. NR-notat SAND/04/2020. pp 82. 2020.

Sanchis, Charlotte Juliette; Røe, Per. PCube+ and Focused inversion comparison tests and GUI update. Norsk Regnesentral, . NR-notat SAND/11/20. pp 20. 2020.

Sanchis, Charlotte Juliette; Hauge, Ragnar. Scaling of unknown distribution in PCube+ and Focused inversion. Norsk Regnesentral, . NR-notat SAND/09/20. pp 39. 2020.

Sanchis, Charlotte Juliette; Hauge, Ragnar. PCube+: Likelihood sensitivity analysis and the prediction of unknown distribution. Norsk Regnesentral, . NR-notat SAND/07/20. pp 33. 2020.

Sektnan, Audun; Abrahamsen, Petter; Dahle, Pål. Dip point coordinates in COHIBA. Norsk Regnesentral, Oslo. NR-notat SAND/15/20. pp 12. 2020.

Skauvold, Jacob; Hauge, Ragnar. Consequences of changes in grid resolution for process model based variogram estimation. Norsk Regnesentral, . NR-notat SAND/13/20. pp 16. 2020.

Aarnes, Ingrid; Almendral Vazquez, Ariel; Dahle, Pål. COHIBA in fault blocks on Valhall. Norsk Regnesentral, Oslo. NR-notat SAND/09/19. pp 51. 2019.

Abrahamsen, Petter. Kriging Derivatives. Norsk Regnesentral, . NR-notat SAND/11/2019. pp 30. 2019. Full-text 

Abrahamsen, Petter; Dahle, Pål; Kvernelv, Vegard Berg; Sektnan, Audun; Almendral Vazquez, Ariel; Aarnes, Ingrid. COHIBA User Manual Version 6.0. Norsk Regnesentral, Oslo. NR-notat SAND/06/2019. pp 235. 2019.

Aker, Eyvind. Vertical Transverse Isotropy in PCube+. Norsk Regnesentral, Oslo. NR-notat SAND/12/19. pp 17. 2019.

Almendral Vazquez, Ariel; Aarnes, Ingrid; Abrahamsen, Petter. Application of NR’s Solutions to Geothermal Reservoir Characterization. Norsk Regnesentral, Oslo. NR-notat SAND/13/2019. pp 13. 2019.

Dahle, Pål; Aarnes, Ingrid; Abrahamsen, Petter; Almendral Vazquez, Ariel; Sektnan, Audun. Increasing subsurface accuracy with COHIBA by taking advantage of resistivity contrasts. Norsk Regnesentral, Oslo. NR-notat SAND/04/2019. pp 12. 2019.

Eikvil, Line; Holden, Marit; Hauge, Ragnar; Kvernelv, Vegard Berg. Estimation of rock cuttings size from images. Norsk Regnesentral, Oslo. NR-notat SAND/02/2019. pp 43. 2019.

Eikvil, Line; Waldeland, Anders U.; Holden, Marit; Salberg, Arnt Børre; Hauge, Ragnar; Barker, Daniel Martin L. Deep learning in seismic interpretation. Norsk Regnesentral, . NR-notat SAMBA/49/19. pp 39. 2019.

Kjønsberg, Heidi. Linearity in rock physics for 4D seismic inversion. Norsk Regnesentral, . NR-notat SAND/10/19. 2019.

Nevjen, Fredrik. PCube+ Consistent Posterior Investigation. Norsk Regnesentral, Oslo, Norge. NR-notat SAND/08/2019. pp 22. 2019.

Røe, Per; Hauge, Ragnar; Aker, Eyvind; Barker, Daniel Martin L; Nilsen, Carl-Inge Colombo; Sanchis, Charlotte Juliette; Kjønsberg, Heidi; Abrahamsen, Petter. GIG annual meeting 2019 - Summary of 2018 and planned work for 2019. Norsk Regnesentral, Oslo. NR-notat SAND/01/19. pp 27. 2019.

Sanchis, Charlotte Juliette; Nilsen, Carl-Inge Colombo; Barker, Daniel Martin L. Deep learning for seismic processing and condition monitoring. Norsk Regnesentral, . NR-notat SAND/05/2019. pp 13. 2019.

Sanchis, Charlotte Juliette; Røe, Per; Hauge, Ragnar. PCube+ and focused inversion testing. Norsk Regnesentral, . NR-notat SAND/07/2019. pp 52. 2019.

Sektnan, Audun; Almendral Vazquez, Ariel; Dahle, Pål. Correlating intervals that share common reference surface. Norsk Regnesentral, Oslo. NR-notat SAND/03/2019. pp 13. 2019.

Aarnes, Ingrid; Almendral Vazquez, Ariel; Dahle, Pål. Valhall structural model with COHIBA. Norsk Regnesentral, . NR-notat SAND/12/18. pp 71. 2018.

Abrahamsen, Petter; Almendral Vazquez, Ariel; Dahle, Pål; Kvernelv, Vegard Berg; Sektnan, Audun. Cohiba User Manual Version 5.6. Norsk Regnesentral, Oslo. NR-notat SAND/07/2018. pp 225. 2018.

Aker, Eyvind; Barker, Daniel Martin L. User Manual: Rock Physics Prior Modelling GUI. Norsk Regnesentral, . NR-notat SAND/13/18. pp 18. 2018.

Almendral Vazquez, Ariel; Dahle, Pål; Sektnan, Audun. Valhall study using Cohiba. Norsk Regnesentral, Oslo. NR-notat SAND/06/18. 2018.

Dahle, Pål; Almendral Vazquez, Ariel; Abrahamsen, Petter. COHIBA and velocity models linear in depth. Norsk Regnesentral, . NR-notat SAND/08/2018. pp 12. 2018.

Goodwin, Håvard; Aarnes, Ingrid; Hauge, Ragnar. Deep marine modelling with RMS on Karoo. Norsk Regnesentral, . NR-notat SAND/02/18. pp 47. 2018.

Hauge, Ragnar; Sanchis, Charlotte Juliette; Aker, Eyvind. Testing of PCube+. Norsk Regnesentral, . NR-notat SAND/10/18. pp 21. 2018.

Kvernelv, Vegard Berg; Barker, Daniel Martin L; Abrahamsen, Petter. Simulation of Gaussian Random Fields Using the Fast Fourier Transform. Norsk Regnesentral, . NR-notat SAND/04/18. pp 33. 2018.

Nilsen, Carl-Inge Colombo. PCube+ Command Line User Manual. Norsk Regnesentral Oslo, . NR-notat SAND/11/2018. pp 12. 2018.

Røe, Per. GIG annual meeting 2018 - Summary of 2017 planned work for 2018. Norsk Regnesentral, Oslo, Norge. NR-notat SAND/01/2018. pp 22. 2018.

Røe, Per; Aker, Eyvind; Rummelhoff, Ivar; Hauge, Ragnar; Kjønsberg, Heidi; Barker, Daniel Martin L; Sanchis, Charlotte Juliette. This is a user manual for PCube. PCube is a seismic inversion software that computes lithology and fluid probabilities from seismic AVO data. Norsk Regnesentral, Oslo, Norge. NR-notat SAND/05/18. pp 72. 2018.

Røe, Per; Goodwin, Håvard; Aker, Eyvind; Zdanowicz, Hanna Marta; Kvernelv, Vegard Berg. HAVANA user manual. Norsk Regnesentral, Oslo. NR-notat SAND/03/18. pp 175. 2018.

Sanchis, Charlotte Juliette; Hauge, Ragnar; Røe, Per. Direct inversion for horizon location. Norsk Regnesentral, . NR-notat SAND/09/18. pp 53. 2018.

Sanchis, Charlotte Juliette; Hauge, Ragnar. PCube+: Focused inversion testing. Norsk Regnesentral, . NR-notat SAND/14/18. pp 23. 2018.

Aarnes, Ingrid; Fjellvoll, Bjørn; Hauge, Ragnar. Utilizing process-based models in facies modelling workflows. Norsk Regnesentral, . NR-notat SAND/08/2017. pp 62. 2017.

Abrahamsen, Petter; Dahle, Pål; Kvernelv, Vegard Berg; Sektnan, Audun; Almendral Vazquez, Ariel. Cohiba User Manual Version 5.5. Norsk Regnesentral, Oslo. NR-notat SAND/05/2017. pp 217. 2017.

Aker, Eyvind; Barker, Daniel Martin L. User Manual: Rock Physics Prior Modelling GUI. Norsk Regnesentral, Oslo. NR-notat SAND/12/17. pp 16. 2017.

Aker, Eyvind; Sanchis, Charlotte Juliette; Røe, Per; Kjønsberg, Heidi. PCube Reference Manual. Norsk Regnesentral, Oslo. NR-notat SAND/07/2017. pp 26. 2017.

Almendral Vazquez, Ariel; Zdanowicz, Hanna Marta. Localization strategies: Implementation and testing of localization strategies on Reek and Norne. Norsk Regnesentral, Oslo. NR-notat SAND/01/2017. 2017.

Barker, Daniel Martin L. PCube+ Forward Modelling QC User Manual. Norsk Regnesentral, Oslo. NR-notat SAND/06/2017. pp 10. 2017.

Bjordal, Jenny. Sample Seismic from PCube Prior Model - Report after summer internship. Norsk Regnesentral, Oslo, Norge. NR-notat SAND/04/2017. pp 22. 2017.

Kjønsberg, Heidi; Røe, Per. Improved stratigraphic prior for PCube. Norsk Regnesentral, Oslo. NR-notat SAND/13/2017. pp 14. 2017.

Olsen, Håvard Goodwin; Kolbjørnsen, Odd. From Volume to Value – a tool for decision support v 1.3. Documentation and user manual. Norsk Regnesentral, . NR-notat SAND/03/2017. pp 22. 2017.

Olsen, Håvard Goodwin; Hermansen, Gudmund Horn. Updates to density estimations in RMS. Norsk Regnesentral, . NR-notat SAND/09/2017. pp 25. 2017.

Røe, Per; Hauge, Ragnar; Aker, Eyvind; Abrahamsen, Petter; Hauge, Vera Louise; Sanchis, Charlotte Juliette. GIG annual meeting 2018 Summary of 2017 planned work for 2018. Norsk Regnesentral, . NR-notat SAND/02/2017. pp 20. 2017.

Røe, Per; Kolbjørnsen, Odd. Rock physics depth trends in PCube+ - Possible ways of integrating trends in PCube and PCube+. Norsk Regnesentral, Oslo. NR-notat SAND/14/2017. pp 11. 2017.

Sanchis, Charlotte Juliette; Hauge, Ragnar. Direct inversion for horizon location. Norsk Regnesentral, Oslo. NR-notat SAND/11/2017. pp 44. 2017.

Zdanowicz, Hanna Marta; Vigsnes, Maria; Fjellvoll, Bjørn; Hauge, Ragnar. Prototype Turbidite Modelling. Norsk Regnesentral, Oslo. NR-notat SAND/10/2017. pp 33. 2017.

Aarnes, Ingrid; Hauge, Ragnar. Truncated Gaussian Simulation - Comparison of methodologies. Norsk Regnesentral, Oslo. NR-notat SAND/15/16. pp 15. 2016.

Abrahamsen, Petter; Dahle, Pål; Hauge, Vera Louise; Hermansen, Gudmund Horn; Kvernelv, Vegard Berg; Almendral Vazquez, Ariel. Cohiba User Manual Version 5.4. Norsk Regnesentral, Oslo. NR-notat SAND/11/2016. pp 217. 2016.

Aker, Eyvind; Hauge, Ragnar. Quality control of runs in PCube and PCube+. Norsk regnesentral, Oslo. NR-notat SAND/14/16. pp 19. 2016.

Aker, Eyvind; Dahle, Pål; Hauge, Ragnar; Røe, Per. PCube inversion study in the greater Alvheim area. Norsk Regnesentral, Oslo. pp 145. 2016.

Almendral Vazquez, Ariel; Sektnan, Audun. The ISCWSA model essentials and implementation. Norwegian Computing Center, Oslo. NR-notat SAND/04/16. 2016.

Dahle, Pål; Hauge, Ragnar. Hess Inversion 2016. Norsk Regnesentral, Oslo. NR-notat SAND/09/16. pp 34. 2016.

Hauge, Vera Louise; Røe, Per; Aker, Eyvind; Sanchis, Charlotte Juliette; Hauge, Ragnar. PCube User Manual Version PCube+ 6.0. Norsk Regnesentral, . NR-notat SAND/13/16. pp 66. 2016.

Hauge, Ragnar; Vigsnes, Maria. Monte Carlo study of well decommissioning strategies. Norsk Regnesentral, Oslo. NR-notat SAND/03/16. pp 55. 2016.

Hauge, Ragnar; Vigsnes, Maria. Updated study of well decommissioning strategies. Norsk Regnesentral, Oslo. NR-notat SAND/06/16. pp 16. 2016.

Hauge, Vera Louise. Explanation to difference in production profiles between different gridding of a faulted geometry. Norsk Regnesentral, Oslo. NR-notat SAND/02/2016. pp 11. 2016.

Hauge, Vera Louise; Hermansen, Gudmund Horn. Sweet spot detection by support vector machine. Norsk Regnesentral, . NR-notat SAND/10/16. 2016.

Lilleborge, Marie. Efficient optimization with Junction Tree bounds in discrete MTP2 distributions. Norsk Regnesentral, Oslo. NR-notat SAND/07/2016. pp 26. 2016.

Olsen, Håvard Goodwin; Aarnes, Ingrid; Hauge, Ragnar. Panther Tongue Modelling with RMS – Part III. Norsk Regnesentral, . NR-notat SAND/12/16. pp 91. 2016.

Olsen, Håvard Goodwin; Hauge, Ragnar. Panther Tongue Modelling with RMS – Part II. Norsk Regnesentral, . NR-notat SAND/05/2016. pp 66. 2016.

Røe, Per; Almendral Vazquez, Ariel. Diagnostics and countermeasures for ensemble collapse - Testing of localization as a measure to prevent ensemble collapse when history matching Reek and Norne. Norsk Regnesentral, Oslo. NR-notat SAND/01/2016. pp 41. 2016.

Abrahamsen, Petter; Dahle, Pål; Hauge, Vera Louise; Hermansen, Gudmund Horn; Vigsnes, Maria; Almendral-Vazquez, Ariel. Cohiba User Manual Version 5.3. Norsk Regnesentral, Oslo. NR-notat SAND/13/2015. pp 222. 2015.

Abrahamsen, Petter; Dahle, Pål; Hauge, Vera Louise; Hermansen, Gudmund Horn; Vigsnes, Maria; Almendral Vazquez, Ariel. Cohiba User Manual, Version 5.1. Norsk Regnesentral, Oslo. NR-notat SAND/01/2015. pp 214. 2015.

Abrahamsen, Petter; Dahle, Pål; Hauge, Vera Louise; Hermansen, Gudmund Horn; Vigsnes, Maria; Almendral-Vazquez, Ariel. Cohiba User Manual Version 5.2. Norsk Regnesentral, Oslo. NR-notat SAND/05/2015. pp 217. 2015.

Almendral-Vazquez, Ariel; Vigsnes, Maria. Depth Conversion on the Gohta Oil Field – using Cohiba. Norsk Regnesentral, Oslo. NR-notat SAND/12/15. pp 16. 2015.

Dahle, Pål; Abrahamsen, Petter; Almendral-Vazquez, Ariel. Surface modelling in fault blocks using COHIBA: A feasibility study. Norsk Regnesentral, Oslo. NR-notat SAND/14/15. pp 21. 2015.

Hauge, Vera Louise; Røe, Per. Fault Transmissibility Multipliers in Stair-Stepped Grids. Norsk Regnesentral, Oslo. NR-notat SAND/06/15. pp 30. 2015.

Olsen, Håvard Goodwin. Modelling the H2S filters and SOx emissions at Kårstø Driftsmodell v3.0.2. Norsk Regnesentral, Oslo. NR-notat SAND/07/2015. pp 43. 2015.

Olsen, Håvard Goodwin; Hauge, Ragnar. Panther Tongue Modelling with RMS. Norsk Regnesentral, Oslo. NR-notat SAND/10/2015. pp 47. 2015.

Olsen, Håvard Goodwin; Røe, Per. Stochastic fault population using Havana. Norsk Regnesentral, Oslo. NR-notat SAND/04/2015. pp 101. 2015. Project 

Olsen, Håvard Goodwin; Røe, Per; Hauge, Ragnar. Stochastic inversion for fracture density. Norsk Regnesentral, Oslo. NR-notat SAND/11/2015. pp 21. 2015.

Vigsnes, Maria; Abrahamsen, Petter. Depth conversion on the Johan Sverdrup Oil field - using Cohiba. Norsk Regnesentral, Oslo. NR-notat SAND/03/15. pp 38. 2015.

Vigsnes, Maria. Seismic Forward User Manual - Version 4.0. Norsk Regnesentral, Oslo. NR-notat SAND/08/15. pp 41. 2015.

Vigsnes, Maria; Abrahamsen, Petter. Detailed analyses for Cohiba depth conversion on the Johan Sverdrup Oil Field. Norsk Regnesentral, Oslo. NR-notat SAND/02/15. pp 42. 2015.

Zdanowicz, Hanna Marta; Hauge, Ragnar. Turbidite prototype interface. Norsk Regnesentral, Oslo. NR-notat SAND/09/2015. pp 11. 2015.

Fjellvoll, Bjørn. Parallelization of Iksim. Norsk Regnesentral, Oslo. NR-notat SAND/05/14. pp 12. 2014.

Hermansen, Gudmund Horn; Østvold, Bjarte M.. INPRED: Intelligent prediction for package transport. Norsk Regnesentral, Oslo. NR-notat DART/14/2014. 2014.

Kolbjørnsen, Odd; Ulvmoen, Marit. 4D inversion of seismic travel-times. Norsk Regnesentral, . NR-notat SAND/07/14. pp 24. 2014.

Olsen, Håvard Goodwin; Kolbjørnsen, Odd. Modelling the H2S filters and SOx emissions at Kårstø Driftsmodell v2.0. Norsk Regnesentral Oslo, . NR-notat SAND/02/2014. pp 35. 2014.

Syversveen, Anne Randi; Lilleborge, Marie; Vigsnes, Maria. Seismic Forward User Manual Version 3.6. Norsk Regnesentral, . NR-notat SAND/01/14. pp 33. 2014.

Vigsnes, Maria; Abrahamsen, Petter. Detailed analysis for Cohiba depth conversion on the Johan Sverdrup Field Rev. 2. Norsk Regnesentral, . NR-notat SAND/06/14. pp 31. 2014.

Abrahamsen, Petter. SAND 2013 - Kiel. Norsk Regnesentral, Oslo. NR-notat SAND/03/2013. pp 23. 2013.

Abrahamsen, Petter; Dahle, Pål; Georgsen, Frode; Hermansen, Gudmund Horn; Myrseth, Inge. Cohiba User Manual Version 4.1. Norsk Regnesentral, Oslo. NR-notat SAND/02/2013. pp 159. 2013. Review 

Abrahamsen, Petter; Dahle, Pål; Hermansen, Gudmund Horn; Hauge, Vera Louise; Vigsnes, Maria. COHIBA user manual version 4.2 (SAND/10/13). Norsk Regnesentral, Oslo. pp 155. 2013.

Abrahamsen, Petter; Dahle, Pål; Hauge, Vera Louise; Hermansen, Gudmund Horn; Vigsnes, Maria. COHIBA technical manual (SAND/12/13). Norsk Regnesentral, Oslo. pp 61. 2013.

Dahle, Pål; Nesvold, Erik; Fjellvoll, Bjørn; Georgsen, Frode; Hauge, Ragnar; Kolbjørnsen, Odd; Syversveen, Anne Randi; Ulvmoen, Marit. CRAVA User Manual version 2.0. Norsk Regnesentral Oslo, . NR-notat SAND/07/2013. pp 144. 2013.

Fjellvoll, Bjørn. TISimCreator -Creating a 3D training image from a 2D training image. Norsk Regnesentral, . NR-notat SAND/13/13. pp 13. 2013.

Georgsen, Frode; Røe, Per; Syversveen, Anne Randi; Vigsnes, Maria; Olsen, Håvard Goodwin. Havana user manual - Version 6.4. Norsk Regnesentral, Oslo. NR-notat SAND/05/2013. pp 151. 2013.

Georgsen, Frode; Røe, Per; Syversveen, Anne Randi; Vigsnes, Maria; Olsen, Håvard Goodwin. Havana technical documentation - Version 6.4. Norsk Regnesentral, Oslo. NR-notat SAND/06/2013. pp 17. 2013.

Georgsen, Frode; Myrseth, Inge; Kolbjørnsen, Odd. Volume and Gas Quality Uncertainty Study for Gassco Transport Plan 2013. Norsk Regnesentral, Oslo. NR-notat SAND/09/2013. pp 21. 2013.

Hauge, Vera Louise; Kolbjørnsen, Odd. Inversion of gravimetric data. Norsk Regnesentral, Oslo. NR-notat SAND/08/13. pp 36. 2013. Full-text 

Hauge, Ragnar; Syversveen, Anne Randi; Georgsen, Frode; Stien, Marita. New Object Model User Manual version 1.0. Norsk Regnesentral, Oslo. NR-notat SAND/16/2013. pp 31. 2013.

Hauge, Ragnar; Syversveen, Anne Randi; Georgsen, Frode. New Object Model Technical Documentation. Norsk Regnesentral, Oslo. NR-notat SAND/17/2013. pp 23. 2013.

Jensen, Erling Hugo; Ulvmoen, Marit; Hauge, Ragnar. XML structure for rock physics models. Norsk Regnesentral, Oslo. NR-notat SAND/15/13. pp 40. 2013.

Myrseth, Inge; Kolbjørnsen, Odd. Monitoring the H2S filters and SOx emissions at Kårstø. Norsk Regnesentral, . NR-notat SAND/04/13. pp 35. 2013.

Nesvold, Erik; Hauge, Ragnar. Turbidite modeling with RMS. Norsk Regnesentral, Oslo. NR-notat SAND/14/13. pp 36. 2013.

Syversveen, Anne Randi; Lilleborge, Marie; Vigsnes, Maria. Seismic Forward User Manual Version 3.5. Norsk Regnesentral, Oslo. NR-notat SAND/11/2013. pp 32. 2013.

Ulvmoen, Marit; Kolbjørnsen, Odd. Bayesian lithology/scenario-contact prediction from seismic data. Norsk Regnesentral, Oslo. NR-notat SAND/01/13. pp 31. 2013.

Abrahamsen, Petter; Dahle, Pål; Georgsen, Frode; Myrseth, Inge. Cohiba User Manual Version 4.0. Norsk Regnesentral, Oslo. NR-notat SAND/10/2012. 2012.

Almendral-Vazquez, Ariel; Dahle, Pål; Abrahamsen, Petter; Georgsen, Frode; Myrseth, Inge. Cohiba User Manual Version 3.1.1. Norsk Regnesentral, Oslo. NR-notat SAND/07/2012. pp 155. 2012. Review 

Dahle, Pål; Fjellvoll, Bjørn; Georgsen, Frode; Hauge, Ragnar; Kolbjørnsen, Odd; Syversveen, Anne Randi; Ulvmoen, Marit. CRAVA User Manual version 1.2. Norsk Regnesentral, Oslo. NR-notat SAND/05/2012. pp 93. 2012. Review 

Dahle, Pål; Fjellvoll, Bjørn; Georgsen, Frode; Hauge, Ragnar; Kolbjørnsen, Odd; Syversveen, Anne Randi; Ulvmoen, Marit. CRAVA User Manual version 1.1. Norsk Regnesentral, Oslo. NR-notat SAND/02/2012. pp 92. 2012. Review 

Danielsson, Jerker; Vestgården, Jørn Inge; Røe, Per; Kristoffersen, Thor; Boudko, Svetlana. TrueGen 4.0 User Guide. Norsk Regnesentral, Oslo. NR-notat DART/13/2012. pp 31. 2012.

Fjellvoll, Bjørn. Zonal Anisotropy: Different variogram in the lateral -and in the vertical direction. Norsk Regnesentral, Oslo. NR-notat SAND/09/12. pp 22. 2012.

Georgsen, Frode. Calculating facies probability cubes from arbitrary parameters in RMS. Norsk Regnesentral, . NR-notat SAND/08/2012. pp 11. 2012.

Kolbjørnsen, Odd. Interpretation of saturation and porosity from inverted 4D seismic parameters. Norsk Regnesentral, Oslo. NR-notat SAND/03/12. pp 11. 2012. Full-text 

Kolbjørnsen, Odd. Using 3D inversion schemes to solve 4D inverse problems. Norsk Regnesentral, . NR-notat SAND/04/12. pp 9. 2012. Full-text 

Kristoffersen, Thor; Røe, Per. TrueGen Changelog. Norsk Regnesentral, Oslo. NR-notat DART/10/2012. pp 8. 2012.

Røe, Per; Georgsen, Frode. Fault uncertainty envelopes. Norsk Regnesentral, Oslo. NR-notat SAND/01/2012. pp 11. 2012.

Røe, Per; Arnesen, Ragni Ryvold; Danielsson, Jerker; Vestgården, Jørn Inge; Rivertz, Hans Jakob; Boudko, Svetlana; Kristoffersen, Thor. TrueGen 4.0 Design. Norsk Regnesentral, Oslo. NR-notat DART/11/2012. pp 54. 2012.

Røe, Per; Hauge, Vera Louise. Fault Seal 2012 Summary – work on RMS Fault Seal module in 2012. Norsk Regnesentral, Oslo. NR-notat SAND/11/2012. pp 9. 2012.

Røe, Per; Hauge, Vera Louise; Hauge, Ragnar. PCube 2012 Arbeidsbeskrivelse. Norsk Regnesentral, Oslo. NR-notat SAND/12/2012. pp 15. 2012.

Røe, Per; Vestgården, Jørn Inge; Kristoffersen, Thor. TrueGen 4.0 Developer’s Guide. Norsk Regnesentral, Oslo. NR-notat DART/12/2012. pp 20. 2012.

Syversveen, Anne Randi; Vigsnes, Maria; Lilleborge, Marie. Seismic Forward User Manual Third edition. Norsk Regnesentral, . NR-notat SAND/06/2012. pp 33. 2012.

Abrahamsen, Petter; Almendral-Vazquez, Ariel; Dahle, Pål; Georgsen, Frode; Myrseth, Inge. Cohiba user manual version 3.0. Norsk Regnesentral, Oslo. NR-notat SAND/18/2011. pp 162. 2011.

Almendral-Vazquez, Ariel; Dahle, Pål; Abrahamsen, Petter; Georgsen, Frode; Myrseth, Inge Bjørn. COHIBA user manual - Version 2.3. Norsk Regnesentral, . NR-notat SAND/05/2011. pp 135. 2011.

Almendral-Vazquez, Ariel; Abrahamsen, Petter; Dahle, Pål; Georgsen, Frode; Myrseth, Inge Bjørn. COHIBA user manual - Version 2.4. Norsk Regnesentral, . NR-notat SAND/08/2011. pp 139. 2011.

Almendral-Vazquez, Ariel; Dahle, Pål; Abrahamsen, Petter; Georgsen, Frode; Myrseth, Inge Bjørn. Cohiba user manual Version 2.5. Norsk Regnesentral, . NR-notat SAND/13/2011. pp 144. 2011.

Dahle, Pål; Fjellvoll, Bjørn; Georgsen, Frode; Hauge, Ragnar; Kolbjørnsen, Odd; Syversveen, Anne Randi; Ulvmoen, Marit. CRAVA User Manual version 1.1. Norsk Regnesentral, Oslo. NR-notat SAND/03/11. pp 92. 2011.

Fjellvoll, Bjørn; Abrahamsen, Petter. Parallelization of Petrosim. Norsk Regnesentral, Oslo. NR-notat SAND/15/2011. pp 11. 2011.

Georgsen, Frode. Fractured reservoirs. Norsk Regnesentral, Oslo. NR-notat SAND/09/2011. pp 21. 2011.

Georgsen, Frode; Røe, Per. Volume uncertainty study for Heidrun M using Havana and RMS. Norsk Regnesentral, . NR-notat SAND/04/2011. 2011.

Hauge, Ragnar. Next generation object model. Norsk Regnesentral, . NR-notat SAND/28/11. pp 20. 2011.

Kjønsberg, Heidi; Kolbjørnsen, Odd. Making a 4D seismic prior model from rock physics relations. Norsk Regnesentral, . NR-notat SAND/22/2011. pp 15. 2011. Full-text 

Kjønsberg, Heidi; Stien, Marita; Fjellvoll, Bjørn; Kolbjørnsen, Odd; Abrahamsen, Petter. Methods of the Markov Mesh Multi-Grid Module in RMS. Norsk Regnesentral, Oslo. NR-notat SAND/21/2010. pp 44. 2011.

Kolbjørnsen, Odd; Kjønsberg, Heidi. Joint 4D inversion of multiple data sources for CO2 monitoring. Norsk Regnesentral, . NR-notat SAND/20/2011. pp 22. 2011. Full-text 

Kolbjørnsen, Odd. H2S Challenges upstream Kårstø. Norsk Regnesentral, . NR-notat SAND/24/2011. pp 44. 2011.

Kolbjørnsen, Odd. Technicalities in the windowed PCUBE implementation. Norsk Regnesentral, . NR-notat SAND/26/2011. pp 20. 2011.

Kolbjørnsen, Odd; Hauge, Ragnar; Buland, Arild. Including facies geometry in lithology and fluid prediction. Norsk Regnesentral, . NR-notat SAND/12/2011. pp 52. 2011.

Lilleborge, Marie. Functions added to NRLib. Norsk Regnesentral, . NR-notat SAND/11/2011. pp 16. 2011.

Myrseth, Inge Bjørn. Bootstrapping in ERT. Norsk Regnesentral, . NR-notat SAND/01/2011. pp 14. 2011.

Røe, Per; Georgsen, Frode; Syversveen, Anne Randi; Vigsnes, Maria. HAVANA User Manual. Version 6.3 - Development Release. Norsk Regnesentral, Oslo. NR-notat SAND/27/2011. pp 74. 2011. Full-text 

Røe, Per; Lia, Oddvar; Berg-Edland, Elisabeth; Georgsen, Frode; Kallekleiv, Hans Ivar. RMS Havana Cohiba workflows. Summary from RMS-Havana pre-study. Norsk Regnesentral, Oslo. NR-notat SAND/25/2011. pp 37. 2011.

Røe, Per; Kjønsberg, Heidi. New Fault Seal Calculations in RMS. Norsk Regnesentral, . NR-notat SAND/10/2011. pp 19. 2011.

Røe, Per; Hauge, Vera Louise; Hauge, Ragnar; Drange-Espeland, Maren; Kolbjørnsen, Odd. PCube 2011 Arbeidsbeskrivelse. Norsk Regnesentral, Oslo. NR-notat SAND/21/2011. pp 18. 2011.

Røe, Per; Hauge, Ragnar; Drange-Espeland, Maren; Kolbjørnsen, Odd; Skjæveland, Øyvind. PCube 2010 arbeidsbeskrivelse. Norsk Regnesentral, . NR-notat SAND/02/2011. pp 24. 2011.

Røe, Per; Georgsen, Frode; Syversveen, Anne Randi; Vigsnes, Maria. Havana technical documentation. Havana 6.3 - Development Release. Norsk Regnesentral, Oslo. NR-notat SAND/19/2011. pp 38. 2011.

Røe, Per; Georgsen, Frode; Syversveen, Anne Randi. Havana user manual - Havana 6.1. Norsk Regnesentral, . NR-notat SAND/06/2011. pp 62. 2011.

Røe, Per; Georgsen, Frode; Syversveen, Anne Randi. Havana technical documentation - Havana 6.1. Norsk Regnesentral, . NR-notat SAND/07/2011. pp 35. 2011.

Stien, Marita. The Markov mesh multi-grid module versus the Multipoint module in RMS. Norsk Regnesentral, . NR-notat SAND/16/2011. pp 41. 2011.

Syversveen, Anne Randi; Lilleborge, Marie. Seismic Forward User Manual. Norsk Regnesentral, . NR-notat SAND/14/11. pp 20. 2011.

Syversveen, Anne Randi; Lilleborge, Marie. Seismic Forward User Manual. Second Edition. Norsk Regnesentral, . NR-notat SAND/17/2011. pp 23. 2011.

Vigsnes, Maria; Hauge, Ragnar. Truncated Gaussian simulations. An investigation of sequential and plurigaussian approaches, and further extensions. Norsk Regnesentral, Oslo. NR-notat SAND/23/2011. pp 47. 2011.

Almendral-Vazquez, Ariel; Dahle, Pål; Abrahamsen, Petter; Skorstad, Arne; Georgsen, Frode; Myrseth, Inge. COHIBA user manual — Version 2.2. Norsk Regnesentral, Oslo. NR-notat SAND/13/2010. pp 127. 2010. Full-text 

Almendral-Vazquez, Ariel; Dahle, Pål; Abrahamsen, Petter; Skorstad, Arne; Georgsen, Frode; Myrseth, Inge. COHIBA user manual — Version 2.1. Norsk Regnesentral, Oslo. NR-notat SAND/12/2010. pp 125. 2010. Full-text 

Almendral-Vazquez, Ariel; Dahle, Pål; Abrahamsen, Petter; Skorstad, Arne; Georgsen, Frode; Myrseth, Inge. COHIBA user manual - Version 2.0. Norsk Regnesentral, Oslo. NR-notat SAND/01/2010. 2010. Full-text 

Dahle, Pål; Fjellvoll, Bjørn; Hauge, Ragnar; Kolbjørnsen, Odd; Syversveen, Anne Randi; Ulvmoen, Marit. CRAVA USer Manual version 0.9.6. Norsk Regnesentral, Oslo. NR-notat SAND/04/2009. 2010.

Dahle, Pål; Hauge, Ragnar; Ulvmoen, Marit. CRAVA Exercises. Norsk Regnesentral, Oslo. NR-notat SAND/05/2009. pp 18. 2010.

Fjellvoll, Bjørn. Zonal Anisotropy - Different variogram in the lateral -and in the vertical direction. Norsk Regnesentral, Oslo. NR-notat SAND/16/10. pp 10. 2010. Full-text 

Fuglstad, Geir-Arne. Finding the Largest Eigenvalues of Large Matrices. Norsk Regnesentral, Oslo. NR-notat SAND/07/10. 2010. Full-text 

Georgsen, Frode; Kolbjørnsen, Odd; Lecomte, Isabelle. The effect of illumination on source pulse estimation for PSDM seismic data. Norsk Regnesentral, Oslo. NR-notat SAND/10/10. pp 21. 2010.

Georgsen, Frode. Testing MKL in Petrosim. Norsk Regnesentral, Oslo. NR-notat SAND/17/10. pp 11. 2010.

Kjønsberg, Heidi; Røe, Per. Prospect study of fault resampling to 2D grid. Norsk Regnesentral, Oslo. NR-notat SAND/20/2010. pp 19. 2010.

Kjønsberg, Heidi; Syversveen, Anne Randi. CO2 Storage. An overview. Norsk Regnesentral, Oslo. NR-notat SAND/18/2010. pp 16. 2010. Full-text 

Kolbjørnsen, Odd; Syversveen, Anne Randi; Hauge, Ragnar. From Volume to Value - a tool for decision support. Documentation and user manual - revised edition. Norsk Regnesentral, Oslo. NR-notat SAND/19/2010. pp 18. 2010.

Røe, Per; Hauge, Ragnar. The C++ coding standard for SAND - Second Edition. Norsk Regnesentral, Oslo. NR-notat SAND/05/2010. pp 24. 2010. Full-text 

Røe, Per; Georgsen, Frode; Syversveen, Anne Randi; Fjellvoll, Bjørn. Havana technical documentation - Version 6.0. Norsk Regnesentral, Oslo. NR-notat SAND/04/10. pp 26. 2010.

Røe, Per; Georgsen, Frode; Syversveen, Anne Randi. Havana user manual - Version 6.0. Norsk Regnesentral, Oslo. NR-notat SAND/03/10. pp 44. 2010. Full-text 

Røe, Per. RMS structural model export format. Norsk Regnesentral, Oslo. NR-notat SAND/22/2010. pp 14. 2010.

Røe, Per. Havana Course - Exercises. Norsk Regnesentral, Oslo. NR-notat SAND/15/2010. pp 12. 2010.

Skorstad, Arne. CO2 storage capacity subjet to geological uncertainty. Norsk Regnesentral, Oslo. NR-notat SAND/02/2010. pp 16. 2010. Full-text 

Stien, Marita; Kolbjørnsen, Odd. Markov mesh model specification for facies modeling. Norsk Regnesentral, Oslo. NR-notat SAND/09/10. pp 22. 2010. Full-text 

Stien, Marita; Georgsen, Frode; Hauge, Ragnar; Kolbjørnsen, Odd. Computation of horizon gradients from seismic. Norsk Regnesentral, Oslo. NR-notat SAND/11/10. pp 19. 2010. Full-text 

Syversveen, Anne Randi. Forward modelling from Eclipse to seismic in RMS. Norsk Regnesentral, Oslo. NR-notat SAND/14/10. pp 9. 2010.

Syversveen, Anne Randi; Skorstad, Arne. Locally varying azimuth in Petrosim. Norsk Regnesentral, Oslo. NR-notat SAND/08/2010. pp 16. 2010.

Abrahamsen, Petter; Almendral-Vazquez, Ariel; Dahle, Pål; Skorstad, Arne; Georgsen, Frode. COHIBA — Technical Documentation. Norsk Regnesentral, Oslo. NR-notat SAND/07/2009. pp 41. 2009.

Abrahamsen, Petter; Almendral-Vazquez, Ariel. Conditioning Surfaces on Hydrocarbon Contacts in COHIBA. Norsk Regnesentral, Oslo. NR-notat SAND/06/09. pp 14. 2009.

Abrahamsen, Petter. SAND 2009. Norsk Regnesentral, Oslo. NR-notat SAND/08/2009. pp 21. 2009.

Almendral-Vazquez, Ariel; Dahle, Pål; Abrahamsen, Petter; Skorstad, Arne; Georgsen, Frode. COHIBA user manual version 1.4.1. Norsk Regnesentral, Oslo. NR-notat SAND/03/2009. pp 97. 2009. Full-text 

Kjønsberg, Heidi; Fjellvoll, Bjørn; Abrahamsen, Petter; Kolbjørnsen, Odd; Stien, Marita. Methods of the Multipoint Module in RMS. Norsk Regnesentral, Oslo. NR-notat SAND/09/09. pp 35. 2009.

Røe, Per. Fault Seal modeling for stair-cased faults. Norsk Regnesentral, Oslo. NR-notat SAND/10/09. pp 12. 2009.

Røe, Per; Hauge, Ragnar; Almendral-Vazquez, Ariel. Choice of linear algebra libraries for NRLib. Norsk Regnesentral, Oslo. NR-notat SAND/02/09. pp 11. 2009. Full-text 

Røe, Per; Georgsen, Frode; Abrahamsen, Petter; Almendral-Vazquez, Ariel. Surface based fault format in Havana. Norsk Regnesentral, Oslo. NR-notat SAND/01/09. pp 19. 2009. Full-text 

Abrahamsen, Petter; Almendral-Vazquez, Ariel; Dahle, Pål; Skorstad, Arne. COHIBA - Technical Documentation. Norsk Regnesentral, Oslo. NR-notat SAND/03/2008. 2008.

Dahle, Pål; Almendral-Vazquez, Ariel. Surface modelling of the Troll field using COHIBA. Norsk Regnesentral, Oslo. NR-notat SAND/06/08. pp 63. 2008.

Førland, Maren Drange; Hauge, Ragnar; Kolbjørnsen, Odd. Approximate likelihood computations for conditioning facies to seismic amplitudes. Norsk Regnesentral, Oslo. NR-notat SAND/15/08. pp 54. 2008.

Georgsen, Frode; Kolbjørnsen, Odd. Simple SIMPLI Inversion. Norsk Regnesentral, Oslo. NR-notat SAND/08/08. pp 22. 2008. Full-text 

Georgsen, Frode; Skorstad, Arne. Minor Improvements in Channels. Norsk Regnesentral, Oslo. NR-notat SAND/01/08. pp 8. 2008. Full-text 

Kjønsberg, Heidi; Kolbjørnsen, Odd; Stien, Marita; Abrahamsen, Petter. Main Results of the Multipoint Project. Norsk Regnesentral, Oslo. NR-notat NR/SAND/13/2008. pp 15. 2008. Full-text 

Kolbjørnsen, Odd; Almendral-Vazquez, Ariel. EM inversion software, USER MANUAL. Norsk Regnesentral, Oslo. NR-notat SAND/11/08. pp 34. 2008.

Kolbjørnsen, Odd; Almendral-Vazquez, Ariel; Buland, Arild. Bayesian common midpoint inversion for controlled source electromagnetics. Norsk Regnesentral, Oslo. NR-notat SAND/12/08. pp 25. 2008.

Skorstad, Arne; Georgsen, Frode. Conditioning on real well test data in petrophysical simulations on the Ile formation of Heidrun. Norsk Regnesentral, Oslo. NR-notat SAND/14/08. pp 28. 2008.

Skorstad, Arne; Dahle, Pål. Uncertainty study - Sigrun. Norsk Regnesentral, Oslo. NR-notat SAND/10/08. pp 39. 2008.

Stien, Marita; Hauge, Ragnar; Kolbjørnsen, Odd; Abrahamsen, Petter. Modification of the Snesim Algorithm. Norsk Regnesentral, Oslo. NR-notat SAND/09/08. pp 40. 2008.

Stien, Marita; Kjønsberg, Heidi; Kolbjørnsen, Odd; Abrahamsen, Petter. An implementation of conditional Markov mesh simulation with parameter estimation. Norsk Regnesentral, Oslo. NR-notat SAND/04/2008. pp 36. 2008. Full-text 

Stien, Marita; Kolbjørnsen, Odd. D-vine Creation of Non-Gaussian Random Fields. Norsk Regnesentral, Oslo. NR-notat SAND/07/08. pp 24. 2008. Full-text 

Syversveen, Anne Randi; Hauge, Ragnar. New sedseis. Technical documentation. Norsk Regnesentral, Oslo. NR-notat SAND/05/08. pp 13. 2008.

Almendral-Vazquez, Ariel; Dahle, Pål; Abrahamsen, Petter; Skorstad, Arne. COHIBA user manual. Norsk Regnesentral, Oslo. NR-notat SAND/05/07. 2007.

Georgsen, Frode; Syversveen, Anne Randi; Hauge, Ragnar. Conditioning on distance from well to object edge. Norsk Regnesentral, Oslo. NR-notat SAND/03/07. pp 18. 2007. Full-text 

Georgsen, Frode; Hauge, Ragnar. Simulating 2D Gaussian fields for top and thickness of channels. Norsk Regnesentral, Oslo. NR-notat SAND/13/07. pp 18. 2007. Full-text 

Georgsen, Frode; Abrahamsen, Petter; Skorstad, Arne. Combining Well Logs and Well Test Data in Permeability Modelling. Norsk Regnesentral, Oslo. NR-notat SAND/08/07. pp 18. 2007.

Røe, Per. Evaluation of TrueGen draw capacity. Norsk Regnesentral, Oslo. NR-notat DART/01/07. pp 17. 2007.

Røe, Per. Local grid refinements in Havana. Norsk Regnesentral, Oslo. NR-notat SAND/15/07. pp 10. 2007. Full-text 

Røe, Per. Programs for filtering of well logs. Norsk Regnesentral, Oslo. NR-notat SAND/16/07. pp 16. 2007.

Røe, Per. Statistiske tester for Extra. Norsk Regnesentral, Oslo. NR-notat SAND/07/07. 2007.

Røe, Per; Syversveen, Anne Randi; Kolbjørnsen, Odd; Hauge, Ragnar. Generating facies probability cubes using filtered wells. Norsk Regnesentral, Oslo. NR-notat SAND/17/07. pp 29. 2007.

Soleng, Harald Heimtun; Fjellvoll, Bjørn. Iksim documentation User's Manual and Programmer's Guide. Norsk Regnesentral, Oslo. NR-notat SAND/09/07. pp 62. 2007.

Soleng, Harald Heimtun. Iksim noise reduction system: avoiding "salt and pepper". Norsk Regnesentral, Oslo. NR-notat SAND/05/07. pp 16. 2007.

Stien, Marita; Hauge, Ragnar; Kolbjørnsen, Odd. Robust selection of simulations from geostatistical inversion project. Norsk Regnesentral, Oslo. NR-notat SAND/01/07. pp 25. 2007.

Syversveen, Anne Randi; Georgsen, Frode; Hauge, Ragnar. Local update of object models in RMS. Norsk Regnesentral, Oslo. NR-notat SAND/11/07. pp 21. 2007. Full-text 

Syversveen, Anne Randi. TDconvert Program documentation and user manual. Norsk Regnesentral, Oslo. NR-notat SAND/06/07. pp 10. 2007.

Syversveen, Anne Randi; Soleng, Harald Heimtun; Røe, Per; Skorstad, Arne. Fault Facies workflow. Norsk Regnesentral, Oslo. NR-notat SAND/14/07. pp 26. 2007.

Abrahamsen, Petter; Almendral-Vazquez, Ariel; Dahle, Pål; Skorstad, Arne; Soleng, Harald Heimtun. Cohiba 0.2 Specification and design document. Norsk Regnesentral, Oslo. NR-notat SAND/11/06. pp 35. 2006.

Abrahamsen, Petter. SAND 2005. Norsk Regnesentral, Oslo. NR-notat SAND/01/06. pp 42. 2006. Full-text 

Almendral-Vazquez, Ariel; Syversveen, Anne Randi. Ensemble Kalman Filter - theory and applications in oil industry. Norsk Regnesentral, Oslo. NR-notat SAND/05/06. pp 23. 2006. Full-text 

Dahle, Pål; Hauge, Ragnar; Kolbjørnsen, Odd. Geostatistical Inversion Using the CRAVA Program. Norsk Regnesentral, Oslo. NR-notat SAND/02/06. pp 55. 2006.

Kjønsberg, Heidi; Ligaarden, Ingeborg. Second order Markov mesh models described as Markov Random Fields. Norsk Regnesentral, Oslo. NR-notat SAND/07/06. pp 50. 2006. Full-text 

Kjønsberg, Heidi; Soleng, Harald Heimtun. An Implementation of Markov Random Fields: Overview and user's manual for version 0.1. Norsk Regnesentral, Oslo. NR-notat SAND/06/06. pp 30. 2006. Full-text 

Røe, Per. Compilation of SGeMS. Norsk Regnesentral, Oslo. NR-notat SAND/08/06. pp 9. 2006. Full-text 

Røe, Per; Soleng, Harald Heimtun. Strain Calculations in Havana - Algorithm and implementation. Norsk Regnesentral, Oslo. NR-notat SAND/10/06. pp 16. 2006. Full-text 

Syversveen, Anne Randi; Hauge, Ragnar. Sedseis with uncertainty. Norsk Regnesentral, Oslo. NR-notat SAND/04/06. pp 9. 2006.

Wilhelmsen, Mathilde; Hauge, Ragnar. Multiprior facies inversion. Norsk Regnesentral, Oslo. NR-notat SAND/03/06. pp 20. 2006.

Dahle, Pål. Seismic inversion using the CRAVA program: Smørbukk Sør. Norsk Regnesentral, Oslo. NR-notat SAND/06/05. pp 39. 2005.

Hauge, Ragnar; Kolbjørnsen, Odd. Inversion based volume asessment. Norsk Regnesentral, Oslo. NR-notat SAND/14/05. pp 12. 2005.

Hauge, Ragnar; Kjønsberg, Heidi; Kolbjørnsen, Odd. Validation and comparison of integral approximations used in pCube. Norsk Regnesentral, Oslo. NR-notat SAND/15/05. pp 44. 2005.

Kolbjørnsen, Odd; Syversveen, Anne Randi; Hollund, Knut Utne. From STOOIP to dollars. Norsk Regnesentral, Oslo. NR-notat SAND/02/05. pp 12. 2005.

Kolbjørnsen, Odd. Optimal feature reduction of finger prints in presence of colored noise. Norsk Regnesentral, Oslo. NR-notat SAND/01/05. pp 19. 2005.

Kolbjørnsen, Odd; Syversveen, Anne Randi; Hollund, Knut Utne. From Volume to Value - a tool for decision support. Norsk Regnesentral, Oslo. NR-notat SAND/13/05. pp 19. 2005.

Kolbjørnsen, Odd; Syversveen, Anne Randi. Time match - a method for estimating 4D time shift. Norsk Regnesentral, Oslo. NR-notat SAND/03/05. pp 19. 2005. Full-text 

Kolbjørnsen, Odd; Hauge, Ragnar. Rock physics simulations and seismic amplitudes. Norsk Regnesentral, Oslo. NR-notat SAND/04/05. pp 14. 2005.

Røe, Per; Ølnes, Jon; Walseth, Ole Anders. Wireless Health and Care Security architecture - The blood glucose demonstrator. Norsk Regnesentral, Oslo. NR-notat DART/09/05. pp 28. 2005. Full-text 

Røe, Per; Ølnes, Jon; Larsen, Andre; Balasingham, Ilangko; Øyri, Karl. Wireless Health and Care Security architecture - The Wireless instrumentation demonstrator - WiSMoS. Norsk Regnesentral, Oslo. NR-notat DART/07/05. pp 20. 2005. Full-text 

Røe, Per; Soleng, Harald Heimtun. The C++ coding standard of SAND. Norsk Regnesentral, Oslo. NR-notat SAND/07/05. pp 22. 2005. Full-text 

Soleng, Harald Heimtun; Dahle, Pål; Sperre, Thomas. Structural Uncertainty Modelling using Havana, Horizon and RMS: a Field Study. Norsk Regnesentral, Oslo. NR-notat SAND/05/05. pp 81. 2005.

Soleng, Harald Heimtun; Løland, Anders. User manual for nrdoc: a LaTeX class for notes and reports. Norsk Regnesentral, Oslo. NR-notat SAND/08/05. pp 32. 2005.

Syversveen, Anne Randi; Kolbjørnsen, Odd; Hollund, Knut Utne. From Production to Value - a tool for decision support. Norsk Regnesentral, Oslo. NR-notat SAND/12/05. pp 17. 2005.

Syversveen, Anne Randi; Hauge, Ragnar. A short note on Sedseis. Norsk Regnesentral, Oslo. NR-notat SAND/16/05. pp 9. 2005.

Syversveen, Anne Randi; Kolbjørnsen, Odd; Røe, Per. Ranking of geomodels based on seismic. Norsk Regnesentral, Oslo. NR-notat SAND/09/05. pp 32. 2005.

Syversveen, Anne Randi; Skorstad, Arne; Røe, Per; Kolbjørnsen, Odd. Facies probability cube for the Alpha North field. Norsk Regnesentral, Oslo. NR-notat SAND/11/05. pp 21. 2005.

Dahle, Pål. Uncertainty modelling og the Vilje oil reservoir usign the Horizon program. Norsk Regnesentral, Oslo. NR-notat SAND/06/04. pp 35. 2004.

Dahle, Pål. Surface modelling of the Oseberg field using the HORIZON program: A technical documentation. Norsk Regnesentral, Oslo. NR-notat SAND/02/04. pp 38. 2004.

Dahle, Pål. Uncertainty modelling of the Ormen Lange overburden. Norsk Regnesentral, Oslo. NR-notat SAND/07/04. pp 25. 2004.

Fjellvoll, Bjørn; Gjerde, Jon; Hollund, Knut Utne; Soleng, Harald Heimtun. Pilot projects in Havana 2003. Norsk Regnesentral, Oslo. NR-notat SAND/01/04. pp 4. 2004. Full-text 

Hauge, Ragnar; Kolbjørnsen, Odd; Syversveen, Anne Randi. Program documentation for CRAVA. Norsk Regnesentral, Oslo. NR-notat SAND/05/04. 2004.

Kolbjørnsen, Odd; Hauge, Ragnar; Abrahamsen, Petter. Correlation Study for inverted seismic on Oseberg Øst. Norsk Regnesentral, Oslo. NR-notat SAND/04/04. pp 23. 2004.

Kolbjørnsen, Odd. Memory use in petrosim/gfsim/. Norsk Regnesentral, Oslo. NR-notat SAND/03/04. pp 7. 2004.

Skorstad, Arne. A recipe for decomposing variance contributions in production data. Norsk Regnesentral, Oslo. NR-notat SAND/13/04. pp 9. 2004.

Syversveen, Anne Randi; Hauge, Ragnar. Analysis of seismic data on Oseberg Alfa Nord. Norsk Regnesentral, Oslo. NR-notat SAND/08/04. pp 29. 2004.

Syversveen, Anne Randi; Zachariassen, Eli; Hauge, Ragnar; Kolbjørnsen, Odd. Analysis of 4D seismic data on Njord. Norsk Regnesentral, Oslo. NR-notat SAND/10/04. pp 29. 2004.

Tveranger, Jan; Aanonsen, Sigurd Ivar; Howell, John; Kolbjørnsen, Odd; Semshaug, Siv L.; Skorstad, Arne. Structural and stratigraphic controls on reservoir performance. Norsk Regnesentral, Oslo. NR-notat SAND/14/04. pp 63. 2004.

Dahle, Pål. Uncertainty modelling og the Ormen Lange gas reservoir: Technical documentation. Norsk Regnesentral, Oslo. NR-notat SAND/07/03. pp 40. 2003.

Hauge, Ragnar; Syversveen, Anne Randi. Parameter estimation in the RMS module Facies Belts. Norsk Regnesentral, Oslo. NR-notat SAND/05/03. pp 3. 2003.

Hauge, Ragnar; Syversveen, Anne Randi. Thinning of well data in the RMS module Facies Belts. Norsk Regnesentral, Oslo. NR-notat SAND/04/03. pp 3. 2003.

Hauge, Ragnar; MacDonald, Alister; Syversveen, Anne Randi. Object models with vector steering. Norsk Regnesentral, Oslo. NR-notat SAND/01/03. pp 11. 2003. Full-text 

Leister, Wolfgang; Røe, Per; Vestgården, Jørn Inge; Aamot, Ole. mediAkit and the NR Open Source Software Center. Norsk Regnesentral, . 996. (ISBN 82-539-0503-3) pp 82. 2003. Full-text 

Soleng, Harald Heimtun; Løland, Anders. The source code of nrdoc: a LaTeX class for NR documents. Norsk Regnesentral, Oslo. NR-notat SAND/02/03. 2003.

Soleng, Harald Heimtun; Løland, Anders. User manual for nrdoc: a LaTeX class for notes and reports. Norsk Regnesentral, Oslo. NR-notat SAND/03/03. 2003.

Storvik, Bård; Huseby, Ragnar Bang; Syversveen, Anne Randi. SAS evaluering. Norsk Regnesentral, Oslo. NR-notat SAMBA/14/03. pp 11. 2003.

Syversveen, Anne Randi; Kolbjørnsen, Odd; Abrahamsen, Petter. Application of multiple point statistics to the Oseberg Øst field. Norsk Regnesentral, Oslo. NR-notat SAND/06/03. pp 24. 2003.

Aarhus, Lars Thore; Kristoffersen, Thor; Leister, Wolfgang; Røe, Per; Østvold, Bjarte M.. MobileSLM pre-project - Development Report. Norsk Regnesentral, Oslo. NR-notat DART/01/02. pp 37. 2002.

Aarhus, Lars Thore; Røe, Per. Assessment of IP measurement technology and software. Norsk Regnesentral, Oslo. NR-notat DART/04/02. pp 11. 2002.

Arnesen, Ragni Ryvold; Huseby, Ragnar Bang; Rivertz, Hans Jakob; Røe, Per; Snekkenes, Einar; Vestgården, Jørn Inge. Replacement of random number generator in Norsk Tipping's random number draw system. Norsk Regnesentral, Oslo. NR-notat GEM/02/02. pp 40. 2002.

Dahle, Pål. Horizon modeling of the Troll oil field. Norsk Regnesentral, Oslo. NR-notat SAND/05/02. pp 18. 2002.

Dahle, Pål; Hauge, Ragnar; Skorstad, Arne. Optimizing geological input to Eclipse: Ranking 3D model realizations using well pressures in Lunde fm., Snorre field. Norsk Regnesentral, Oslo. NR-notat SAND/08/02. pp 29. 2002.

Danielsson, Jerker; Mørch, Knut Håkon Tolleshaug; Røe, Per. A system for collection and analysis of forensic evidence. Norsk Regnesentral, Oslo. NR-notat GEM/05/02. pp 77. 2002. Full-text 

Holden, Lars; Sannan, Sigurd; Soleng, Harald Heimtun; Arntzen, Ole Jakob. History matching using adaptive chains. Norsk Regnesentral, Oslo. NR-notat SAND/01/02. 2002.

Hollund, Knut Utne; Sannan, Sigurd. Filosofier og verktøy for beslutningsstøtte. Norsk Regnesentral, Oslo. NR-notat SAND/02/02. 2002.

Kolbjørnsen, Odd; Skorstad, Arne; Holden, Lars. Mining the SAIGUP data, phase 1. Norsk Regnesentral, Oslo. NR-notat SAND/06/02. pp 83. 2002. Full-text 

Nielsen, Bjørn Fredrik; Holden, Lars; Mostad, Petter Fredrik; Gjerde, Jon. Stochastic structural modelling. Norwegian Computing Center, Oslo. Report at the Norwegian Computing Center 0. pp 28. 2002.

Skorstad, Arne; Hauge, Ragnar. Combining elastic impedances into probabilities for sand in the Western Fault Block of the Snorre reservoir. Norsk Regnesentral, Oslo. NR-notat SAND/07/02. pp 26. 2002.

Skorstad, Arne. Quality control of the geostatistical modelling of Lunde formations of the Snorre reservoir. Norsk Regnesentral, Oslo. NR-notat SAND/03/02. pp 6. 2002.

Soleng, Harald Heimtun. Parallelization: an investigation of multithreading strategies and available tools with an eye to possible applications in Roxar software. Norsk Regnesentral, Oslo. NR-notat SAND/04/02. pp 9. 2002.

Eikvil, Line; Moen, Anders; Skare, Øivind; Tjøstheim, Ingvar; Aarhus, Lars Thore. Forskning på NR 2001: Rapport fra FANR/NTL forskningskomiteen. Norsk Regnesentral, Oslo. 2001.

Gjerde, Jon; Holden, Lars; Hollund, Knut Utne; Sverdrup, Einar. Flexible sub-seismic fault pattern modelling. Norsk Regnesentral, Oslo. NR-notat SAND/04/01. pp 9. 2001.

Holden, Lars; Nielsen, Bjørn Fredrik; Sannan, Sigurd. Test of the global permeability upscaling using streamlines. Norsk Regnesentral, . NR-notat SAND/05/01. 2001.

Holden, Lars; Sannan, Sigurd; Soleng, Harald Heimtun. Testing history matching algorithms. Norsk Regnesentral, Oslo. NR-notat SAND/02/01. 2001.

Skorstad, Arne; Skare, Øivind. Introducing Trends in Fluvial. Norsk Regnesentral, Oslo. NR-notat SAND/01/01. pp 17. 2001.

Soleng, Harald Heimtun. A stochastic two-component material model: documentation of an implementation as Fortran 90 subroutines in Autodyn. Forsvarets forskningsinstitutt, . FFI Rapport FFI/RAPPORT-2001/01089. (ISBN 82-464-0517-9) pp 51. 2001.

Soleng, Harald Heimtun; Svinsås, Eirik. Penetration modelling with uncertainty quantification using the Walker-Anderson model. Forsvarets forskningsinstitutt, . FFI Rapport 2000/05876. (ISBN 82-464-0491-1) 2001.

Abrahamsen, Petter; Benth, Fred Espen. Kriging with inequality constraints. Norsk Regnesentral, Oslo. NR-notat SAND/05/00. pp 21. 2000.

Abrahamsen, Petter; Holden, Lars. Efficient numerical algorithms for large cokriging systems. Norsk Regnesentral, Oslo. NR-notat SAND/03/00. pp 14. 2000.

Benth, Fred Espen; Ekeland, Lars; Hauge, Ragnar; Holden, Lars; Nielsen, Bjørn Fredrik; Ekeland, Lars. Risk analysis of energy product portfolios. Norsk Regnesentral, Oslo. NR-notat SAND/11/00. pp 25. 2000.

Holden, Lars; Mostad, Petter F.; Skorstad, Arne. Stochastic structural model. Norsk Regnesentral, Oslo. NR-notat SAND/06/2000. pp 33. 2000.

Mostad, Petter F.; Aldrin, Magne. Nåverdiberegninger for overflatebehandling og utskifting av mastefundamenter - En forstudie. Norsk Regnesentral, Oslo. NR-notat SAND/10/00. 2000.

Mostad, Petter F.. Simulation of subseismic faults in Havana using displacement densities, and finding positions of faults in wells. Norsk Regnesentral, Oslo. NR-notat SAND/01/00. pp 20. 2000.

Mostad, Petter F.; Storvik, Bård. Optimering av annonsevekter. Norsk Regnesentral, Oslo. NR-notat SAND/09/00. pp 20. 2000.

Mostad, Petter F.; Gjerde, Jon. Simulation of seismic fault geometries. Norsk Regnesentral, Oslo. NR-notat SAND/08/00. pp 16. 2000.

Abrahamsen, Petter; Hektoen, Anne-Lise. Specification of new petrophysical modelling tool. Norsk Regnesentral, Oslo. NR-notat SAND/03/99. pp 45. 1999.

Abrahamsen, Petter. FFT algorithm for simulating Gaussian random fields. Norsk Regnesentral, Oslo. NR-notat SAND/10/99. pp 28. 1999.

Hauge, Ragnar; Holden, Lars; Syversveen, Anne Randi. History matching in object models. Norsk Regnesentral, Oslo. NR-notat SAND/09/99. pp 13. 1999. Full-text 

Hektoen, Anne-Lise; Heggland, Knut; Skorstad, Arne; Holden, Lars. Modelling of permeability distribution in correlated reservoirs. Norsk Regnesentral, Oslo. NR-notat SAND/02/99. pp 18. 1999.

Skorstad, Arne. A HCPV uncertainty study of the Statfjord Nord field. Norsk Regnesentral, Oslo. NR-notat SAND/01/99. pp 22. 1999.

Skorstad, Arne; Hauge, Ragnar; Holden, Lars. Testing a convolution method on the Ness formation of Oseberg. Norsk Regnesentral, Oslo. NR-notat SAND/07/99. pp 34. 1999.

Skorstad, Arne; Skare, Øivind; Hauge, Ragnar; Holden, Lars. Local updating of fluvial realisations. Norsk Regnesentral, Oslo. NR-notat SAND/11/99. pp 36. 1999. Full-text 

Benth, Fred Espen; Mostad, Petter F.. Manual for BAYKRIG 3.0. Norsk Regnesentral, Oslo. SAND/20/97. 1998.

Huseby, Ragnar Bang; Abrahamsen, Petter. Statistical analysis of seismic time data from the Troll field. Norsk Regnesentral, Oslo. NR-notat SAND/05/98. pp 63. 1998.

Skorstad, Arne; Hauge, Ragnar; Gjerde, Jon. Obtaining convergence by setting good parameters in the object models Fluvial and GMPP. Norsk Regnesentral, Oslo. NR-notat SAND/04/98. pp 8. 1998.

Skorstad, Arne; Hauge, Ragnar; Holden, Lars. Testing a convolution method on the Lunde formation of Snorre. Norsk Regnesentral, Oslo. NR-notat SAND/01/98. pp 26. 1998.

Aamodt, Geir; Holden, Lars. Evaluation of Well Results. Norsk Regnesentral, Oslo. NR-notat SAND/14/1997. pp 52. 1997.

Abrahamsen, Petter. Velocity log data in DepCon. Norsk Regnesentral, Oslo. NR-notat SAND/21/97. pp 10. 1997.

Abrahamsen, Petter. A Review of Gaussian random fields and correlation functions - Second edition. Norsk Regnesentral, Oslo. Report at the Norwegian Computing Center 917. (ISBN 82-539-0435-5) pp 64. 1997.

Benth, Fred Espen; Gjerde, Jon. Manual for MrSim 97. Norsk Regnesentral, Oslo. SAND/16/97. pp 29. 1997.

Benth, Fred Espen. Monte Carlo simulering av kontantstrømmen fra et oljefelt med usikker produksjonsrate. Norsk Regnesentral, Oslo. SAND/17/97. 1997.

Benth, Fred Espen. ProdSim97 - Et verktøy for stokastisk modellering av produksjonsprofiler. Modellbeskrivelse. Norsk Regnesentral, Oslo. SAND/13/97. 1997.

Benth, Fred Espen. ProdSim97 - Et verktøy for stokastisk simulering av produksjonsprofiler. Manual. Norsk Regnesentral, Oslo. NR-notat SAND/12/97. 1997.

Benth, Fred Espen; Abrahamsen, Petter. Bayesian kriging of Gaussian fields constrained by inequality data. Norsk Regnesentral, Oslo. NR-notat SAND/07/97. 1997.

Benth, Fred Espen; Abrahamsen, Petter; Hauge, Ragnar. HCPV studium for PL199b. Norsk Regnesentral, Oslo. NR-notat SAND/02/97. pp 64. 1997.

Benth, Fred Espen; Mostad, Petter F.. Spatial data transformation and categorical variables. Norsk Regnesentral, Oslo. SAND/03/97. pp 30. 1997.

Gjerde, Jon; Abrahamsen, Petter. HCPV evaluation of Sleipner Øst and Loke. Norsk Regnesentral, Oslo. NR-notat SAND/11/97. pp 31. 1997.

Hauge, Ragnar; Skorstad, Arne; Holden, Lars; Abrahamsen, Petter. Conditioning a Fluvial Model on Convolved Seismic Amplitudes. Norsk Regnesentral, Oslo. NR-notat SAND/10/97. 1997.

Hektoen, Anne-Lise; Holden, Lars. Conditioning log-normal permeability fields to well test data. Norsk Regnesentral, Oslo. NR-notat SAND/08/97. pp 18. 1997.

Hjort, Nils Lid; Abrahamsen, Petter. Moments of the maximum of two correlated normals. Norsk Regnesentral, Oslo. NR-notat SAND/18/97. pp 9. 1997.

Lia, Oddvar. GMPP - A stochastic facies model. Technical documentation of model. Version: autumn 1997. Norsk Regnesentral, Oslo. NR-notat SAND/15/97. pp 65. 1997.

Mostad, Petter F.; Benth, Fred Espen. Manual for BAYKRIG 2.0. Norsk Regnesentral, Oslo. SAND/04/97. 1997.

Solberg, Anne H S; Storvik, Geir Olve; Teigland, André; Møller-Holst, Johan; Berge, Anker M.; Abrahamsen, Petter. Seismic image analysis: A pilot study for investigating the relevance of using image analysis techniques on seismic data. Norsk Regnesentral, Oslo. NR-notat BILD/06/97. 1997.

Abrahamsen, Petter; Buland, Arild; Bølviken, Erik; Hauge, Ragnar; Hektoen, Anne-Lise; Skorstad, Arne. Conditioning stochastic reservoir models on seismic amplitude traces - Stochastic inversion and simulation. Norsk Regnesentral, Oslo. NR-notat SAND/07/96. pp 45. 1996.

Abrahamsen, Petter; Hauge, Ragnar; Heggland, Knut. Estimation of reserves with unknown spillpoint. Norsk Regnesentral, Oslo. NR-notat SAND/09/96. 1996. Full-text 

Abrahamsen, Petter. Geostatistics for seismic depth conversion. Norsk Regnesentral, Oslo. NR-notat SAND/06/96. pp 9. 1996. Full-text 

Aldrin, Magne; Andersen, Tove. Prognosemodell for daglig elektrisitetsforbruk. Norsk Regnesentral, Oslo. NR-notat STAT/05/96. pp 14. 1996.

Andersen, Tove; Aldrin, Magne. Prognosemodell for elkraftpris basert på tidligere pris, vann- og snømagasin. Norsk Regnesentral, Oslo. NR-notat STAT/03/96. pp 45. 1996.

Benth, Fred Espen; Holden, Lars. Some calculations of effective permeability. Norsk Regnesentral, Oslo. NR-notat SAND/04/96. pp 8. 1996.

Benth, Fred Espen; Heggland, Knut; Holden, Lars. Estimering av usikkerheten i totalproduksjonen fra norsk sokkel. Norsk Regnesentral, Oslo. NR-notat SAND/01/96. 1996.

Heggland, Knut; Abrahamsen, Petter. A geostatistical analysis of well data. Norsk Regnesentral, Oslo. NR-notat SAND/12/96. pp 29. 1996.

Holden, Lars. Geometric convergence of the Metropolis-Hastings simulation algorithm. Matematisk institutt, Universitetet i Oslo, Oslo. Preprint, Matematisk institutt, Universitetet i Oslo 1. pp 10. 1996. Full-text 

Mostad, Petter F.; Egeland, Thore; Hjort, Nils Lid; Storvik, Geir. Uncertainties of reservoir parameters in a Bayesian framework. Norsk Regnesentral, Oslo. NR-notat SAND/02/96. pp 70. 1996.

Skorstad, Arne; Hauge, Ragnar; Skare, Øivind; Holden, Lars. FLUVIAL - Improved seismic conditioning. Norsk Regnesentral, Oslo. NR-notat SAND/03/96. pp 32. 1996. Full-text 

Aas, Kjersti; Lia, Oddvar; Egeland, Thore. HCPV evaluation of Ty (Heimdal) Formation; Sleipner Øst Field. Norsk Regnesentral, Oslo. NR-notat SAND/10/95. pp 121. 1995.

Aas, Kjersti; Abrahamsen, Petter; Benth, Fred Espen. HCPV evaluation of Troll Olje Gas Province. Norsk Regnesentral, Oslo. NR-notat SAND/13/95. 1995.

Abrahamsen, Petter. Probability density functions for hydrocarbon contacts. Norsk Regnesentral, Oslo. NR-notat SAND/11/95. pp 19. 1995.

Abrahamsen, Petter. Ambiguous models for subsurface prediction. Norsk Regnesentral, Oslo. NR-notat SAND/12/95. pp 30. 1995. Full-text 

Aldrin, Magne; Follestad, Turid; Syversveen, Anne Randi; Teigland, André; Andersen, Tove. The NMODEL statistical package - Version 2.0. Norsk Regnesentral, Oslo. NR-notat STAT/16/95. pp 108. 1995. Full-text 

Aldrin, Magne; Follestad, Turid; Helgeland, Jon; Orøy, Odd Egil; Andersen, Tove. The NUTILITY statistical package. Version 2.0. Norsk Regnesentral, Oslo. NR-notat STAT/15/95. 1995. Full-text 

Clemetsen, Rolf; Hektoen, Anne-Lise. SEQUENCE 2.0 -- Module for integration of stochastic facies models in the sequence stratigraphy model. Norsk Regnesentral, Oslo. SAND/02/95. pp 20. 1995.

Follestad, Turid; Helgeland, Jon; Teigland, André; Andersen, Tove; Orøy, Odd Egil. The NSPACE statistical package. Version 2.0. Norsk Regnesentral, Oslo. NR-notat STAT/14/95. pp 183. 1995. Full-text 

Hektoen, Anne-Lise; Holden, Lars. SEQUENCE 2.0 - Stochastic modelling of sequence stratigraphic bounding surfaces. Norsk Regnesentral, Oslo. NR-notat SAND/01/95. 1995.

Holden, Lars; Mostad, Petter F.; Munthe, Kristin Lucie. Modelling sub-seismic scale faults. Norsk Regnesentral, Oslo. NR-notat SAND/04/95. 1995.

Lia, Oddvar; Aas, Kjersti. HCPV evaluation of Sleipner satellites. Norsk Regnesentral, Oslo. NR-notat SAND/08/95. pp 33. 1995.

Teigland, André; Andersen, Tove. Mixed processes in dynamic linear systems. Norsk Regnesentral, Oslo. NR-notat STAT/17/95. pp 19. 1995. Full-text 

Abrahamsen, Petter. A review of Gaussian random fields and correlation functions. , . 878. (ISBN 82-539-0373-1) pp 57. 1994.

Abrahamsen, Petter; Clemetsen, Rolf; Hatlebakk, Einar; Kristoffersen, Steinar. DepCon 3.0 - User guide. Adapted from on-line help system. Norsk Regnesentral, Oslo. NR-notat SAND/25/94. pp 49. 1994.

Andersen, Tove. Dimensionality selection in regression. Norsk Regnesentral, . NR-notat SAND/09/94. pp 84. 1994.

Egeland, Thore; Omre, Henning; Lia, Oddvar; Tjelmeland, Håkon; Holden, Lars; Andersen, Tove. GRUS data analysis. Norsk Regnesentral, Oslo. NR-notat SAND/17/94. pp 76. 1994.

Egeland, Thore; Georgsen, Frode; Hektoen, Anne-Lise; Lia, Oddvar; Omre, Henning; Skare, Øivind. SISA - Reservoir modeling system. Norsk Regnesentral, Oslo. NR-notat SAND/19/94. pp 125. 1994.

Hatlebakk, Einar; Teigland, André. Brukerveiledning for Studflyt program. Norsk Regnesentral, Oslo. NR-notat STAT/03/94. pp 33. 1994.

Hektoen, Anne-Lise; Holden, Lars; Skare, Øivind; Hagen, Gro Synøve. SEQUENCE. Stochastic modelling of sequence stratigraphic bounding surfaces. Norsk Regnesentral, Oslo. NR-notat SAND/10/94. pp 55. 1994.

Holden, Lars; Lia, Oddvar; Madsen, Rune Asgeir; Mostad, Petter F.; Rusten, Torgeir; Skorstad, Arne. Scaling and representation of absolute permeability. Norsk Regnesentral, Oslo. NR-notat SAND/02/94. pp 67. 1994.

Holden, Lars; Mostad, Petter F.; Munthe, Kristin Lucie. Simulation and homogenization of subseismic faults with Havana. Norsk Regnesentral, Oslo. NR-notat SAND/01/94. pp 38. 1994.

Lia, Oddvar; Omre, Henning; Tjelmeland, Håkon; Holden, Lars; MacDonald, Alister; Hustad, Odd Steve; Qi, Yuanchang. GRUS - Great reservoir uncertainty study. Documentation of model. Norsk Regnesentral, Oslo. NR-notat SAND/12/94. pp 225. 1994.

Lia, Oddvar; Omre, Henning; Tjelmeland, Håkon; Holden, Lars; MacDonald, Alister; Hustad, Odd Steve; Qi, Yuanchang. GRUS - Great reservoir uncertainty study. Documentation of results. Norsk Regnesentral, Oslo. NR-notat SAND/13/94. pp 212. 1994.

Lia, Oddvar; Omre, Henning; Tjelmeland, Håkon; Holden, Lars; MacDonald, Alister; Hustad, Odd Steve; Qi, Yuanchang. GRUS - great reservoir uncertainty study summary report. Norsk Regnesentral, Oslo. NR-notat SAND/11/94. pp 191. 1994.

Milvang, Otto; Andersen, Tove; Solberg, Anne H. Schistad. Seabed classification from sonar data. Report of first half of 1994. Norsk Regnesentral, Oslo. NR-notat BILD/07/94. pp 23. 1994.

Skorstad, Arne; Holden, Lars; Rusten, Torgeir. Conditioning Gaussian and lognormal permeability fields on well rates. Norsk Regnesentral, Oslo. NR-notat SAND/23/94. pp 18. 1994.

Skorstad, Arne; Holden, Lars; Lia, Oddvar; Madsen, Rune; Rusten, Torgeir. HOMLIB. A library of routines for homogenization of absolute permeability. Norsk Regnesentral, Oslo. NR-notat SAND/16/94. pp 18. 1994.

Solberg, Rune; Andersen, Tove; Lyseggen, Jørn; Koren, Hans. Prediction of sandstone parameters from texture. Norsk Regnesentral, Oslo. NR-notat BILD/10/94. pp 37. 1994. Full-text 

Abrahamsen, Petter; Hatlebakk, Einar; Hektoen, Anne-Lise. A location dependent linear velocity model. Norsk Regnesentral, Oslo. NR-notat SAND/10/93. pp 54. 1993.

Abrahamsen, Petter; Clemetsen, Rolf; Egeland, Thore; Hatlebakk, Einar; Kluge, Anders; Larsen, Even Åby. DepCon 2.1 - User Guide. Adapted from on-line help system. Norsk Regnesentral, Oslo. NR-notat SAND/05/93. pp 43. 1993.

Aldrin, Magne Tommy; Follestad, Turid; Syversveen, Anne Randi; Teigland, André. The NMODEL statistical package. Version 1.0. Norsk Regnesentral, Oslo. NR-notat STAT/10/93. pp 110. 1993.

Andersen, Tove. The Little Bootstrap - A method for dimensionality selection in regression. Norsk Regnesentral, Oslo. NR-notat SAND/13/93. pp 31. 1993.

Clemetsen, Rolf; Georgsen, Frode; Hektoen, Anne-Lise; Holden, Lars; Lia, Oddvar; Tjelmeland, Håkon. MOHERES - A program system for simulation of reservoir architecture and reservoir properties. Version 3.1. Norsk Regnesentral, Oslo. NR-notat SAND/09/93. pp 114. 1993.

Clemetsen, Rolf; Abrahamsen, Petter. HORIZON 4.1 - extension to 4.0 user guide and theory for horizon_dc. Norsk Regnesentral, Oslo. NR-notat SAND/17/93. pp 6. 1993.

Egeland, Thore; Eide, Alfhild Lien; Hatlebakk, Einar; Holden, Lars; Larsen, Even Åby. DECISION: Theory, methods and examples. Norsk Regnesentral, Oslo. NR-notat SAND/02/93. pp 42. 1993.

Egeland, Thore; Georgsen, Frode; Skare, Øivind; Alabert, Francois. Analytical calculations related to facies simulation. Norsk Regnesentral, Oslo. NR-notat SAND/12/93. pp 9. 1993.

Egeland, Thore; Georgsen, Frode; Skare, Øivind. Anguille Marine. Facies simulation with marked point methods. Norsk Regnesentral, Oslo. NR-notat SAND/04/93. pp 44. 1993.

Egeland, Thore; Eide, Alfhild Lien; Hatlebakk, Einar; Holden, Lars; Larsen, Even Åby. DECISION: Getting started. Norsk Regnesentral, Oslo. NR-notat SAND/03/93. pp 16. 1993.

Egeland, Thore; Georgsen, Frode; Omre, Henning; Skare, Øivind. SISA : Reservoir modeling system. Norsk Regnesentral, Oslo. NR-notat SAND/11/93. pp 66. 1993.

Holden, Lars; Lia, Oddvar; Madsen, Rune Asgeir; Mostad, Petter F.; Rusten, Torgeir; Skorstad, Arne. Scaling and representation of absolute permeability. Norsk Regnesentral, Oslo. NR-notat SAND/01/93. pp 31. 1993.

Huseby, Ragnar Bang; Milvang, Otto; Solberg, Anne H. Schistad; Weisteen, Katrine; Madsen, Rune Asgeir; Kavli, Tom; Carlin, Mats. Seafloor Classification. Report for 2. half of 1992. Norsk Regnesentral, Oslo. NR-notat BILD/01/93. pp 43. 1993.

Skorstad, Arne; Clemetsen, Rolf; Holden, Lars. FASIMO - User's manual version 2.0. Norsk Regnesentral, Oslo. NR-notat SAND/14/93. pp 45. 1993.

Storvik, Geir Olve; Egeland, Thore; Holden, Lars; Tjelmeland, Håkon. Markov Chain simulations for analysis of marked point processes. Norsk Regnesentral, Oslo. Report at the Norwegian Computing Center 869. pp 34. 1993.

Abrahamsen, Petter; Clemetsen, Rolf; Egeland, Thore; Hatlebakk, Einar; Kluge, Anders; Larsen, Even Åby. DepCon. Version 2.0. User guide. Adapted from on-line help system. Norsk Regnesentral, Oslo. NR-notat SAND/14/92. pp 33. 1992.

Abrahamsen, Petter; Omre, Henning. HORIZON 4 - Geometrical module. User guide and theory for HORIZON_dc. Norsk Regnesentral, Oslo. NR-notat SAND/01/92. pp 112. 1992.

Abrahamsen, Petter; Egeland, Thore; Hatlebakk, Einar. DepCon: Theory and methods. Norsk Regnesentral, Oslo. NR-notat SAND/13/92. 1992.

Aldrin, Magne; Syversveen, Anne Randi; Teigland, André. The NMODEL statistical package. Preliminary version 0.1. Norsk Regnesentral, Oslo. NR-notat STAT/05/92. 1992.

Bølviken, Erik; Georgsen, Frode. Computer-based, sedimentary interpretation of 18 GULLFAKS wells using log-information only. Norsk Regnesentral, Oslo. NR-notat SAND/03/92. 1992.

Bølviken, Erik; Egeland, Thore. Simulation of spatially linked curves with applications to production profiles. Norsk Regnesentral, Oslo. NR-notat SAND/17/92. 1992.

Clemetsen, Rolf; Holden, Lars; Omre, Henning; Solberg, Rune. FLUREMO: User guide and technical documentation. Version 2.1. Norsk Regnesentral, Oslo. NR-notat SAND/06/92. 1992.

Clemetsen, Rolf; Georgsen, Frode; Hektoen, Anne-Lise; Holden, Lars; Tjelmeland, Håkon. MOHERES - a program system for simulation of reservoir architecture and reservoir properties. Version 3.0. Norsk Regnesentral, Oslo. NR-notat SAND/12/92. 1992.

Egeland, Thore; Eide, Alfhild Lien; Hatlebakk, Einar; Holden, Lars; Larsen, Even Åby. DECISION: Getting started. Norsk Regnesentral, Oslo. NR-notat SAND/10/92. 1992.

Egeland, Thore; Eide, Alfhild Lien; Hatlebakk, Einar; Holden, Lars; Larsen, Even Åby. DECISION: Theory, methods and examples. Version 2.0. Norsk Regnesentral, Oslo. NR-notat SAND/11/92. 1992.

Egeland, Thore; Hatlebakk, Einar; Holden, Lars; Larsen, Even Åby. DECISION: Extensions. Norsk Regnesentral, Oslo. NR-notat SAND/08/92. 1992.

Egeland, Thore; Hatlebakk, Einar; Holden, Lars; Larsen, Even Åby. DECISION: Manual. Norsk Regnesentral, Oslo. NR-notat SAND/09/92. 1992.

Egeland, Thore; Hatlebakk, Einar; Holden, Lars; Larsen, Even Åby. DECISION: Theory and methods. Norsk Regnesentral, Oslo. NR-notat SAND/07/92. 1992.

Madsen, Rune Asgeir; Lundervold, Arvid; Huseby, Ragnar Bang; Milvang, Otto; Weisteen, Katrine; Carlin, Mats; Kavli, Tom. Seafloor classification using artificial neural networks. Norsk Regnesentral, Oslo. NR-notat BILD/10/92. 1992.

Omre, Henning; Holden, Lars; Madsen, Rune Asgeir; Mostad, Petter F.; Munthe, Kristin Lucie. HAVANA - fault modelling. Norsk Regnesentral, Oslo. NR-notat SAND/16/92. 1992.

Abrahamsen, Petter; Omre, Henning. Decisions on development and appreciation of information. Norsk Regnesentral, Oslo. NR-notat SAND/07/91. pp 17. 1991.

Abrahamsen, Petter; Omre, Henning; Lia, Oddvar. Stochastic models for seismic depth conversion of geological horizons. Norsk Regnesentral, Oslo. NR-notat SAND/11/91. pp 13. 1991.

Abrahamsen, Petter; Egeland, Thore; Lia, Oddvar. Oil in place - estimates with uncertainty for NJORD. Norsk Regnesentral, Oslo. NR-notat SAND/08/91. pp 136. 1991.

Abrahamsen, Petter; Egeland, Thore; Lia, Oddvar; Madsen, Rune Asgeir. New estimates of HCPV with uncertainty for SMØRBUKK SOUTH. Norsk Regnesentral, Oslo. NR-notat SAND/17/91. pp 159. 1991.

Egeland, Thore; Georgsen, Frode. Haleproduksjon. Norsk Regnesentral, Oslo. NR-notat SAND/01/91. pp 12. 1991.

Egeland, Thore; Halvorsen, Kjetil B.; Holden, Lars; Volden, Rolf. Forsøksplanlegging for reservoarsimulering. Norsk Regnesentral, Oslo. NR-notat SAND/09/91. pp 56. 1991.

Holden, Lars; Lia, Oddvar. A tensor estimator for homogenization of absolute permeability. Norsk Regnesentral, Oslo. NR-notat SAND/19/91. pp 10. 1991.

Holden, Lars; Lia, Oddvar. Scaling of lognormal permeability using simulations. Norsk Regnesentral, Oslo. NR-notat SAND/21/91. 1991.

Omre, Henning; Egeland, Thore; Holden, Lars; Lia, Oddvar; Tjelmeland, Håkon; MacDonald, Alister; Hustad, Odd Steve. GRUS-report: Outline of models and test plan. Norsk Regnesentral, Oslo. NR-notat SAND/30/91. 1991.

Abrahamsen, Petter. Programmering i FORTRAN - retningslinjer og råd for SAND. Norsk Regnesentral, Oslo. NR-notat SAND/02/90. pp 28. 1990.

Abrahamsen, Petter. Utvinnbar ressurs som funksjon av antall dreneringspunkter - anslag med usikkerhet. Norsk Regnesentral, Oslo. NR-notat SAND/17/90. pp 36. 1990.

Abrahamsen, Petter; Halvorsen, Kjetil B.; Lia, Oddvar. Potensiell reduksjon i usikkerheten til anslaget på hydrokarbonreserver i Gullfaks Sør. Resultater for testproduksjonsmodell. Hefte I, II og III. Norsk Regnesentral, Oslo. NR-notat SAND/13/90. 1990.

Abrahamsen, Petter; Halvorsen, Kjetil B.; Lia, Oddvar. Tilstedeværende ressurs og utvinnbar ressurs i Gullfaks Sør - anslag med usikkerhet. Hefte I, II, III og IV. Norsk Regnesentral, Oslo. NR-notat SAND/20/90. 1990.

Halvorsen, Kjetil B.; Holden, Lars; Storvik, Geir. DESIRE - Et programsystem for stokastisk simulering av reservoarkarakteristika. Modellbeskrivelse og brukerdokumentasjon. Versjon 3.0. Norsk Regnesentral, Oslo. NR-notat SAND/21/90. 1990.

Hjort, Nils Lid; Holden, Lars; Omre, Henning. Modelling sedimentary facies by Markov random fields. Norsk Regnesentral, Oslo. NR-notat SAND/03/1989. pp 30. 1990.

Holden, Lars; Lia, Oddvar; Sølna, Knut. The variability of the absolute permeability. Norsk Regnesentral, Oslo. NR-notat SAND/22/90. pp 18. 1990.

Holden, Lars; Lia, Oddvar; Omre, Henning. Skalaendringer i absolutt permeabilitet - noen simulerte eksempler. Norsk Regnesentral, Oslo. NR-notat SAND/18/90. pp 30. 1990.

Holden, Lars; Omre, Henning. Stochastic modelling in reservoir description - experiences and expectations. Norsk Regnesentral, Oslo. NR-notat SAND/14/90. pp 6. 1990.

Abrahamsen, Petter. Romlige usikkerheter i intervallhastigheter. Uttesting av programmet HORIZON/STACK. Norsk Regnesentral, Oslo. NR-notat SAND/23/89. 1989.

Abrahamsen, Petter. HORIZON/STACK - brukerveiledning og teknisk dokumentasjon. Norsk Regnesentral, Oslo. NR-notat SAND/22/89. 1989.

Abrahamsen, Petter; Halvorsen, Kjetil B.. HORIZON 3.1 - brukerveiledning og teknisk dokumentasjon. Norsk Regnesentral, Oslo. NR-notat SAND/14/89. 1989.

Abrahamsen, Petter; Halvorsen, Kjetil B.; Omre, Henning. Analyse av stackinghastighetsdata med hovedvekt på bestemmelse av usikkerhet - forprosjekt. Norsk Regnesentral, Oslo. NR-notat SAND/07/89. 1989.

Abrahamsen, Petter; Halvorsen, Kjetil B.; Omre, Henning. Geometrical characteristics og Gyda reservoir - Preliminary report. Norsk Regnesentral, Oslo. NR-notat SAND/09/89. 1989.

Bjerch, Thomas; Helgeland, Jon; Koren, Hans. User's manual for the EXPETR system (Estimation, by statistiX, of PETRophysical models). Version 1.0 - draft. Norsk Regnesentral, Oslo. NR-notat SAND/12/89. 1989.

Clemetsen, Rolf; Holden, Lars; Omre, Henning; Solberg, Rune. FLUREMO - User guide and technical documentation. Norsk Regnesentral, Oslo. NR-notat SAND/05/89. 1989.

Clemetsen, Rolf; Holden, Lars; Omre, Henning; Solberg, Rune. FLUREMO - User guide and technical documentation. Ver. 1.1. Norsk Regnesentral, Oslo. NR-notat SAND/21/89. 1989.

Halvorsen, Kjetil B.; Holden, Lars. Endringer i programsystem Stokastisk simulering av reservoar-karakteristika. Ver. 2.1. Norsk Regnesentral, Oslo. NR-notat SAND/16/89. 1989.

Halvorsen, Kjetil B.; Holden, Lars; Lia, Oddvar; Omre, Henning; Sølna, Knut. Videreføring av prosjektet Numerical Rock/Homogenisering. Norsk Regnesentral, Oslo. NR-notat SAND/20/89. 1989.

Hjort, Nils Lid; Holden, Lars; Omre, Henning. Modelling sedimentary facies by Markov random fields. Norsk Regnesentral, Oslo. NR-notat SAND/03/89. 1989.

Holden, Lars; Lia, Oddvar; Omre, Henning. Effektiv permeabilitet for NJORD-feltet. Norsk Regnesentral, Oslo. NR-notat SAND/19/89. 1989.

Holden, Lars; Høiberg, Jan; Lia, Oddvar. Homogenization of absolute permeability. Norsk Regnesentral, Oslo. NR-notat SAND/15/89. 1989.

Robb, Margaret; Clemetsen, Rolf; Gritzman, Michael; Hannemyr, Gisle; Heim, Jan; Solheim, Ivar; Vedel, Eline Arnfred. Integrated EDP-tools for municipal planning. Norsk Regnesentral, Oslo. NR-notat STAT/01/89. 1989.

Abrahamsen, Petter; Helgeland, Jon; Storvik, Geir. En undersøkelse av muligheten for å skille vannsoner fra oljesoner på grunnlag av loggmålinger. Norsk Regnesentral, Oslo. NR-notat SAND/15/88. 1988.

Abrahamsen, Petter; Bølviken, Erik; Helgeland, Jon; Storvik, Geir. Kan en computer inndele en brønn i sedimentære facies uten å anvende andre data enn logger? Norsk Regnesentral, Oslo. NR-notat SAND/31/88. 1988.

Abrahamsen, Petter; Berteig, Vidar; Halvorsen, Kjetil B.; Omre, Henning. Simulations of hydrocarbon pore volume for Smørbukk south. Norsk Regnesentral, Oslo. NR-notat SAND/21/88. 1988.

Clemetsen, Rolf; Omre, Henning; Solberg, Rune. SISABOSA version 3.0 - User guide and technical documentation. Norsk Regnesentral, Oslo. NR-notat SAND/17/88. 1988.

Holden, Helge; Holden, Lars; Høegh-Krohn, Raphael. First order nonlinear scalar hyperbolic conservation laws in one dimension. Matematisk institutt, Universitetet i Oslo, Oslo. Preprint, Matematisk institutt, Universitetet i Oslo 1. pp 10. 1988.

Berteig, Vidar; Helgeland, Jon; Hjort, Nils Lid; Homleid, Mariken; Mohn, Erik. Documentation of LITHOPRED2 system for lithofacies prediction based on wireline logs. Norsk Regnesentral, Oslo. NR-notat SAND/15/87. 1987.

Berteig, Vidar; Halvorsen, Kjetil Brinchmann; Omre, Henning. Prediction of hydrocarbon pore volume in petroleum reservoirs. Norsk Regnesentral, Oslo. SAND/11/87. 1987.

Berteig, Vidar; Bølviken, Erik; Helgeland, Jon; Homleid, Mariken; Mohn, Erik. Prediction of rock types in oil wells from log data. Norsk Regnesentral, Oslo. NR-notat SAND/13/87. 1987.

Berteig, Vidar; Halvorsen, Kjetil Brinchmann; Omre, Henning. Testkjøringer av HORIZON/1 - Resultater og kommentarer. Norsk Regnesentral, Oslo. NR-notat SAND/20/87. 1987.

Berteig, Vidar; Holden, Lars; Omre, Henning. Examples of simulation of reservoir parameters. Norsk Regnesentral, Oslo. NR-notat SAND/16/87. 1987.

Clemetsen, Rolf; Holden, Lars; Omre, Henning; Solberg, Rune; Taxt, Torfinn. SISABOSA, User's guide and technical documentation. Norsk Regnesentral, Oslo. NR-notat SAND/12/87. 1987.

Engejordet, Bodil; Omre, Henning. SAND/87. Norsk Regnesentral, Oslo. SAND/24/87. 1987.

Esbensen, Kim H.; Geladi, Paul; Omre, Henning; Christie, Olav H.C. Spatial and geochemical anomaly - data analytical assistance in location of shallow gas pockets. Norsk Regnesentral, Oslo. SAND/05/87. 1987.

Holden, Lars; Omre, Henning. Sammenligning av forskjellige estimater for effektiv permeabilitet. Norsk Regnesentral, Oslo. NR-notat SAND/04/87. 1987.

Omre, Henning. Introduction to geostatistical theory and examples of practical applications. Norsk Regnesentral, Oslo. NR-notat SAND/14/87. 1987.

Holden, Lars; Omre, Henning; Solberg, Rune; Taxt, Torfinn. The SISABOSA project - Summary of activities and experiences. Norsk Regnesentral, Oslo. NR-notat SAND/11/86. 1986.

Holden, Lars; Omre, Henning; Solberg, Rune; Taxt, Torfinn. Technical documentation of the SISABOSA-system. Norsk Regnesentral, Oslo. NR-notat SAND/12/86. 1986.

Holden, Lars; Omre, Henning. Production profiles in heterogeneous reservoirs - based on SISABOSA. Norsk Regnesentral, Oslo. NR-notat SAND/21/86. 1986.

Holden, Lars; Høegh-Krohn, Raphael. A NxN class of systems of hyperbolic conservation laws. Matematisk institutt, Universitetet i Oslo, Oslo. Preprint, Matematisk institutt, Universitetet i Oslo 13. pp 10. 1986.

Holden, Helge; Holden, Lars; Høegh-Krohn, Raphael. A Numerical Method for First Order Nonlinear Scalar Hyperbolic Conservation Laws in one Dimension. Matematisk institutt, Universitetet i Oslo, Oslo. Preprint, Matematisk institutt, Universitetet i Oslo 12. pp 10. 1986.

Mohn, Erik; Hjort, Nils Lid; Storvik, Geir Olve. A comparison of some classification methods in remote sensing by a Monte Carlo study. Norsk Regnesentral, . NR-notat KART/03/86. pp 51. 1986.

Holden, Lars; Omre, Henning. Eksempler på reservoar modellering ved bruk av geostatistiske teknikker. Norsk Regnesentral, Oslo. NR-notat SAND/05/84. pp 21. 1984.

Omre, Henning; Holden, Lars. Surface modelling merging subjective and objective information. Norsk Regnesentral, Oslo. NR-notat SAND/07/84. pp 16. 1984.

Omre, Henning; Holden, Lars. Eksempel på sammenstilling av subjektiv viten og observasjoner ved mektighetsestimering. Norsk Regnesentral, Oslo. NR-notat SAND/08/84. pp 15. 1984.

Popular scientific lectures

Abrahamsen, Petter. Geologisk modellering på Norsk Regnesentral. Lunsj og lær; NGI, Oslo, 06.11.2015.

Lilleborge, Marie; Antonsen, Roger. Mye du ikke vet om Rubiks kube - et foredrag om Rubiks kube og matematikk. The Gathering 2014, Vikingskipet, Hamar, 19.04.2014.

Abrahamsen, Petter. Norsk Regnesentral(NR)/Norwegian Computing Center. FORCE- Joining Forces Seminar; FORCE, Stavanger, 22.05.2013 - 23.05.2013.

Lilleborge, Marie. Taking control of randomness. SFI-lunsj; Statistics for Innovation, Norsk Regnesentral, Oslo, 23.10.2013.

Lilleborge, Marie. Forsker Grand Prix – 3 contestants share their own experiences. PhD Forum Autumn Symposium 2013; Institute of Basal Medical Science, University of Oslo, Domus Medica, UiO, 05.11.2013.

Lilleborge, Marie. Hvor skal vi lete? Realfagsdagen; Det matematisk-naturvitenskapelige fakultet, UiO, Realfagsbiblioteket, UiO, 22.11.2013.

Lilleborge, Marie. Ta kontroll over tilfeldighetene! Forsker Grand Prix Oslo; Universitetsalliansen OSLO, Sentrum Scene, Oslo, 23.09.2013.

Røe, Per; Georgsen, Frode; Syversveen, Anne Randi. Havana Course. Havana Course; Roxar, Lysaker, 24.04.2012.

Abrahamsen, Petter. Terningkast i oljebransjen. IDE-Festivalen 2011, Digitalisering, Universitetet i Oslo; Universitetet i Oslo, 17.09.2011.

Abrahamsen, Petter; Fjellvoll, Bjørn; Hauge, Ragnar; Kolbjørnsen, Odd. Geostatistics course. , .

Fjellvoll, Bjørn; Hauge, Ragnar. Geostatistics course. , .

Hauge, Ragnar; Kolbjørnsen, Odd. CRAVA course for NORSAR. , .

Røe, Per; Georgsen, Frode; Lia, Oddvar. Havana Course. , .

Abrahamsen, Petter; Fjellvoll, Bjørn; Kolbjørnsen, Odd; Skorstad, Arne. Geostatistics course. , .

Hauge, Ragnar; Dahle, Pål; Ulvmoen, Marit. CRAVA course for Statoil. , .

Hollund, Knut Utne. Kurs i estimeringsmetodikk og statistikk for ingeniører og økonomer i Boring og Brønn, StatoilHydro. , .

Syversveen, Anne Randi; Hollund, Knut Utne. Geostatistikk og @risk. , .

Abrahamsen, Petter; Almendral Vazquez, Ariel; Dahle, Pål. COHIBA course. , .

Fjellvoll, Bjørn; Hammer, Hugo Lewi; Kolbjørnsen, Odd; Skorstad, Arne. Geostatistics course. , .

Abrahamsen, Petter. STK 4050 Stochastic Simulation – Some Practical Applications and Problems. , . Full-text 

Abrahamsen, Petter; Fjellvoll, Bjørn; Kolbjørnsen, Odd; Skorstad, Arne; Hauge, Ragnar. Geostatistics course. , .

Hollund, Knut Utne. Statistikkurs for kostnadsestimerere i StatoilHydro. , .

Articles in business, trade and industry journals

Nair, Krishnakumar Narayanan; Kolbjørnsen, Odd; Skorstad, Arne. Seismic inversion and its applications in reservoir characterization. First Break (ISSN 0263-5046). 30(3) pp 83-86. 2012.

Pham, Nam Hoai; Basire, Christophe; Lia, Oddvar; Dahle, Pål; Hauge, Ragnar. CRAVA inversion and its application into geomodelling: Experiences and recommendations from a case study on the Smørbukk field. Statoil Report. (Statoil Internal Report) pp 100. 2005.

Skorstad, Arne; Kolbjørnsen, Odd; Fjellvoll, Bjørn; Howell, John; Carter, Jonathan N.; Manzocchi, Tom. Quantifying sedimentological controls on reservoir performance in prograding shallow marine systems. Ukjent. 2004.

Skorstad, Arne. A stochastic model for a vibrating hysteretic system. Ukjent. 1992.

Abrahamsen, Petter. Random walk in field theories. Ukjent. 1988.

Popular scientific articles

Buland, Arild; Hansen, Olav; Abrahamsen, Petter; Hektoen, Anne-Lise. Stochastic reservoir characterization using AVO inversion. Ukjent. 27.10.1996.

Andersen, Tove; Thune, Mari. 3D bildeanalyse til tjeneste. Teknisk Ukeblad (ISSN 0040-2354). (33) 07.09.1995.

Reader opinion pieces

Hollund, Knut Utne; Kolbjørnsen, Odd; Hauge, Ragnar; Lie, Tove; Jørstad, Arild. Palisade - quantifying risk. Digital Energy journal, 2008-07-01

Hauge, Ragnar. SAND-gruppa på NR. Tilfeldig gang, 2006-12-05

Hollund, Knut Utne; Hauge, Ragnar; Syversveen, Anne Randi; Jørstad, Arild; Lie, Tove; Rønnevik, Hans Christian. Use of Simple Stochastic Models for North Sea Field-Development Decisions. Journal of Petroleum Technology, volume 58, 2006, pp. 56

Media contributions

Goodwin, Håvard; Løland, Anders. Så stor er sjansen for at Start overlever. 2020. Fædrelandsvennen [Internet] 06.12.2020.

Goodwin, Håvard; Løland, Anders. Matematikere har regnet ut sannsynligheten for Bryne-opprykk: Dette er konklusjonen. 2020. Jærbladet [Internet] 17.10.2020.

Goodwin, Håvard; Løland, Anders. Scenarioene i bunndramaet: Slik redder Start plassen. 2020. Fædrelandsvennen [Internet] 07.12.2020.

Løland, Anders; Goodwin, Håvard. Eksperten klør seg i hodet over nedrykksstriden: – Den kampen blir fullstendig avgjørende. 2020. Fædrelandsvennen [Internet] 31.10.2020.

Løland, Anders; Goodwin, Håvard. Tallknuserne har talt: – Snart kan du feire FFK-opprykket. 2020. Fredrikstad Blad [Internet] 16.10.2020.

Løland, Anders; Goodwin, Håvard. Tallknusernes dom: Disse tar medalje og disse rykker ned. 2020. Aftenposten [Internet] 29.08.2020.

Løland, Anders; Goodwin, Håvard. Tallknusernes dom: Slik ender topp- og bunnkampen i Eliteserien. 2020. Eurosport [Internet] 09.12.2020.

Alteren, Olaf G.; Abrahamsen, Petter. Grenseløst - matematikk. 2011. [Radio] 24.05.2011.