Publication profile

Ragnar Hauge

Name:	Ragnar Hauge
Title:	Ass. forskningssjef / Assistant Research Director SAND
Phone:	(+47) +47 22 85 26 65 Mob: +47 473 18 690
Email:	hauge [at] nr [dot] no
Scientific areas:	Petroleum reservoir modelling, Spatial statistics (Geostatistics), Monte Carlo simulation, Geological facies models, Seismic (and EM) inversion, Petroleum exploration, Bayesian networks, CRAVA development, Irap RMS development
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Academic anthology/Conference proceedings

2012

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

Academic article

2020

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-R221. doi: 10.1190/geo2019-0170.1. 2020. Arkiv Fulltekst

2019

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.

2018

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.

2017

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.

2016

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.

2015

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. Sammendrag

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. Sammendrag

2014

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. Fulltekst Arkiv

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.

2012

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-E31. doi: 10.1190/GEO2010-0300.1. 2012.

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.

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.

2010

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-O19. doi: 10.1190/1.3339678. 2010.

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. Fulltekst

2008

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-C21. doi: 10.1190/1.2842150. 2008.

2007

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.

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.

2003

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.

2002

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

2000

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.

1999

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.

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.

Academic chapter/article/Conference paper

2022

Sektnan, Audun; Almendral Vazquez, Ariel; Hauge, Ragnar; Aarnes, Ingrid; Skauvold, Jacob; Vevle, Markus Lund. A Tree Representation of Plurigaussian Truncation Rules. In: Proceedings of the European Conference on the Mathematics of Geological Reservoirs (ECMOR 2022). (ISBN 0-000-00001-9). doi: 10.3997/2214-4609.202244066. 2022.

2014

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.

2012

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. Fulltekst

2009

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. Fulltekst

2008

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.

2003

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.

2002

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.

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. 2000.

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

1997

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

Academic lecture

2022

Aarnes, Ingrid; Hauge, Ragnar; Arguello Scotti, Agustin; Skauvold, Jacob. The Geopard project. Production Geoscience; Stavanger, 11/1/2022 - 11/2/2022.

Arguello Scotti, Agustin; Eide, Christian Haug; Aarnes, Ingrid; Skauvold, Jacob; Hauge, Ragnar. Defining the basic rules that describe long-term shoreface dynamics: A process-mimicking approach for reservoir modelling. EGU General Assembly 2022; Vienna, Austria, 5/23/2022 1:00:00 AM - 5/27/2022 1:00:00 AM.

2021

Fjeldstad, Torstein Mæland; Avseth, Per Åge; Omre, Henning; Røe, Per; Hauge, Ragnar. Spatial Bayesian lithology/fluid class inversion. Quantitative interpretation - towards integrated predictive sub-surface model, 8/24/2021 - 8/26/2021.

2020

Kjønsberg, Heidi; Haug, Sissel Grude; Hauge, Ragnar; Nilsen, Carl-Inge Colombo. Time lapse AVO inversion for the Heidrun field in the Norwegian Sea. SEG20; Houston (virtuelt), 10/11/2020 - 10/15/2020.

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. 80th EAGE Conference and Exhibition 2018; Copenhagen, 6/11/2018.

2017

Aarnes, Ingrid; Hauge, Ragnar. Applying Truncated Gaussian Fields to describe geology. Norsk Statistkermøte; Fredrikstad, 6/13/2017 - 6/15/2017.

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. 4th International Workshop on Rock Physics; Trondheim, 5/29/2017 - 6/2/2017.

2016

Hauge, Ragnar; Vigsnes, Maria; Fjellvoll, Bjørn; Vevle, Markus Lund; Skorstad, Arne. Object-based modelling with dense well data. The 10th International Geostatistical Congress; Valencia, 9/5/2016 - 9/9/2016.

Skjæveland, Øyvind M.; Metcalfe, Richard William; Kolbjørnsen, Odd; Røe, Per; Hauge, Ragnar. Pcube+ - high-resolution horizon update by prestack inversion, a Statfjord case history. The Biennial Geophysical Seminar; Kristiansand, 3/14/2016 - 3/16/2016.

2015

Lilleborge, Marie; Eidsvik, Jo; Hauge, Ragnar. Efficient Optimization of Exploration Drilling Campaigns with Convergent Information Bounds. Petroleum Geostatistics 2015; Biarritz, 9/7/2015 - 9/11/2015.

2014

Lilleborge, Marie; Eidsvik, Jo; Hauge, Ragnar. Efficient Information gathering in Bayesian Network models for Petroleum Prospecting. Stanford Center for Reservoir Forcasting Seminar, 11/20/2014.

Lilleborge, Marie; Eidsvik, Jo; Hauge, Ragnar. Information gathering in Bayesian Networks with a taste of almonds and petroleum. NTNU Statistics seminar, 5/8/2014.

Røe, Per; Hauge, Ragnar. A Volume-conserving Representation of Cell Faces in Corner Point Grids. ECMOR XIV; Catania, 9/8/2014 - 9/11/2014.

Lilleborge, Marie; Hauge, Ragnar; Eidsvik, Jo. Information Gathering in Bayesian Networks with an Application to Petroleum Prospecting. 2014 Joint Statistical Meetings; Boston, 8/2/2014 - 8/7/2014.

2013

Hauge, Ragnar; Stien, Marita; Drange-Espeland, Maren; Eidsvik, Jo; Martinelli, Gabriele. Modeling Dependencies Between Oil Exploration Prospects with Bayesian Networks. EMS 2013; Budapest, 7/20/2013 - 7/25/2013.

Lilleborge, Marie; Hauge, Ragnar; Eidsvik, Jo. Measures of Information for Bayesian Networks. Det 17. norske statistikermøtet; Halden, 6/11/2013 - 6/13/2013.

2011

Stien, Marita; Drange-Espeland, Maren; Hauge, Ragnar. On using Bayesian networks for modeling dependencies between prospects in oil exploration. IAMG; Salzburg, 9/5/2011 - 9/9/2011.

Martinelli, Gabriele; Eidsvik, Jo; Hauge, Ragnar. The value of sequential prospect selection. IAMG; Salzburg, 9/5/2011 - 9/9/2011.

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. SPE ATCE 2010, Florence, Italy, 9/21/2010.

Kolbjørnsen, Odd; Hauge, Ragnar; Ng, Sebastian. Deriving Deterministic Facies Probabilities from Stochastic Inversion. Quantitative Interpretation: Reducing Uncertainty Through Integration of Petrophysics, Geophysics, G, 6/30/2010.

Hauge, Ragnar; Syversveen, Anne Randi; Georgsen, Frode; Tollefsrud, Jan Inge. Local update of object models. Production Geoscience, Stavanger November 2-3 2010, 11/3/2010.

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. 72nd EAGE Conference & Exhibition, Barcelona 2010, 6/14/2010.

2009

Kjønsberg, Heidi; Hauge, Ragnar; Kolbjørnsen, Odd; Buland, Arild. Integrating Stochastic Rock Physics in Seismic Pre-drill Prospect Risk and Reservoir Quality Assessment. SEG Annual Meeting 2009, 10/28/2009. Fulltekst

Førland, Maren Drange; Hauge, Ragnar; Stien, Marita. Bayesianske nettverk og oljeleiting. Det 15. norske statistikermøtet, Jevnaker 2009, 6/16/2009.

2008

Hollund, Knut Utne; Kolbjørnsen, Odd; Hauge, Ragnar; Lie, Tove; Jørstad, Arild. From Geological Knowledge to Good Decisions using @Risk models. Palisade User Conference 2008, London, 4/22/2008.

Abrahamsen, Petter; Fjellvoll, Bjørn; Hauge, Ragnar; Howell, John; Aas, Tor Even. TuMod – Process Based Stochastic Modelling of Deep Marine Deposits. MassFlow-3D Seminar/Workshop 2008; Stavanger, 1/23/2008.

Buland, Arild; Kolbjørnsen, Odd; Hauge, Ragnar. Fast Bayesian Seismic Prestack Inversion with Consistent Coupling to Rock Physics. 70th EAGE Conference & Exhibition, 6/9/2008.

Ng, Sebastian; Dahle, Pål; Hauge, Ragnar; Kolbjørnsen, Odd. Estimation of facies probabilities on the Snorre field using AVA inversion. SEG, 78th annual meeting, Las Vegas, 11/13/2008. Fulltekst

Fjellvoll, Bjørn; Abrahamsen, Petter; Hauge, Ragnar; Howell, John; Aas, Tor Even. Stochastic modelling of deep marine deposits by mimicking sedimentary processes. 33rd International Geological Congress, 8/8/2008.

2007

Abrahamsen, Petter; Fjellvoll, Bjørn; Hauge, Ragnar; Howell, John Anthony; Aas, Tor Even. Process Based Stochastic Modeling of Deep Marine Reservoirs. Petroleum Geostatistics 2007; Cascais, 9/10/2007. Fulltekst

Aas, Tor Even; Hauge, Ragnar; Fjellvoll, Bjørn; Abrahamsen, Petter; Howell, John Anthony; Tucker, Steven. Process based modelling of deep marine reservoir systems. AAPG (Am. Assoc. Petrol. Geol.) Annual Convention; Long Beach California, 4/1/2007 - 4/4/2007.

Dahle, Pål; Hauge, Ragnar; Kolbjørnsen, Odd; Della Rossa, Ernesto; Luoni, Fabio; Marini, Alfonso Junio. Geostatistical AVO Inversion on a Deep-water Oil Field. Petroleum Geostatistics 2007, Cascais, Portugal, 9/14/2007. Fulltekst

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. British Sedimentological Research Group Conference and Annual General Meeting 2007, Univ. Birmingham, 12/17/2007. Fulltekst

Stien, Marita; Kolbjørnsen, Odd; Hauge, Ragnar; Abrahamsen, Petter. Modification of the SNESIM algorithm. EAGE Petroleum Geostatistics, Cascais, Portugal, 9/10/2007. Fulltekst

Abrahamsen, Petter; Fjellvoll, Bjørn; Hauge, Ragnar; Howell, John; Aas, Tor Even. Stochastic modelling of deep - marine deposits. NGF, Production Geoscience 2007, Stavanger, 5-6 November 2007, 11/5/2007. Fulltekst

Buland, Arild; Kolbjørnsen, Odd; Hauge, Ragnar. Fast Bayesian prediction of lithology and fluid classes and rock properties from seismic data. Challenges in Seismic Rock Physics, Beijing workshop, 7/1/2007.

Hauge, Ragnar; Kolbjørnsen, Odd; Buland, Arild. Feasibility of lithology and fluid prediction from seismic data. SEG 2007 77th Annual Meeting, 9/26/2007.

Kolbjørnsen, Odd; Hauge, Ragnar; Buland, Arild. Depth-to-time conversion errors in Bayesian seismic wavelet estimation. Petroleum Geostatistics 2007, Cascais, Portugal, 9/14/2007. Fulltekst

2006

Hauge, Ragnar; Syversveen, Anne Randi; Berg, John Inge. Stochastic modelling of objects seen on seismic. Quantitative Methods for Reservoir Characterization, 4/3/2006. Fulltekst

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. SPE/EAGE Workshop, \What do Geoscientists and Engineers Need to do to Better Manage Uncertainty. Dub, 3/14/2006.

Dahle, Pål; Hauge, Ragnar; Kolbjørnsen, Odd; Pham, Nam Hoai. Geostatistical AVO inversion on Smørbukk Sør. SEG 2006 International Exposition and 76th Annual Meeting, 10/5/2006.

2005

Dahle, Pål; Hauge, Ragnar; Kolbjørnsen, Odd; Pham, Nam Hoai. Bayesian AVO Inversion and Application to a Case Study. Production Geoscience 2005 - Understanding and modelling geological heterogeneity, 11/15/2005. Fulltekst

Hauge, Ragnar; Syversveen, Anne Randi; Berg, John Inge. Stochastic modelling of objects seen on seismic. Production Geoscience. Stavanger, 1/16/2005.

Hauge, Ragnar; Skorstad, Arne; Syversveen, Anne Randi; Holden, Lars. Geological modelling with marked point processes. 25th European Meeting of Statisticians. Oslo, 7/1/2005.

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. Society of Petroleum Engineers Annual Technical Conference and Exhibition 2005, 10/11/2005.

2003

Syversveen, Anne Randi; Hauge, Ragnar; MacDonald, Alister. Modelling turbidite reservoirs using vector steering of facies bodies and 3D intrabody petrophysical trends. The 4th Norwegian Heterogeneity conference. Bergen, 2/11/2003.

Skorstad, Arne; Hauge, Ragnar. Combining elastic inversion data into a facies probability cube. 4th Norwegian Heterogeneity Conference. Bergen, 2/1/2003.

2001

Hauge, Ragnar; Holden, Lars; Syversveen, Anne Randi. Conditioning in a marked point process used for modelling geology. RSS2001 Spatial Modelling. University of Glasgow, 7/1/2001.

Hauge, Ragnar; MacDonald, Alister; Holden, Lars; Syversveen, Anne Randi. Validation of facies object models. Modelling Permeable Rocks; Cambridge, Enland, 3/1/2001.

2000

Holden, Lars; Hauge, Ragnar; Skorstad, Arne; Soleng, Harald Heimtun; Syversveen, Anne Randi. History matching using geostatistics. SPE forum, History matching - Advanced techniques, 2/1/2000.

Arntzen, Ole Jakob; Hauge, Ragnar; Holden, Lars. Conditioning on data in stochastic reservoir models. 21st Annual International Energy Agency Workshop and Symposium, 9/1/2000.

Holden, Lars; Arntzen, Ole Jakob; Hauge, Ragnar. Conditioning reservoir models. Petroforsk seminar, 10/1/2000.

1998

Abrahamsen, Petter; Hauge, Ragnar; Heggland, Knut; Mostad, Petter F.. Uncertain Cap Rock Geometry, Spill Point, and Gross Rock Volume, SPE 49286. SPE Annual Tecnical Conference and Exhibition. Proceedings; New Orleans, Louisiana, USA, 9/27/1998.

Hauge, Ragnar; Skorstad, Arne; Holden, Lars. Conditioning a fluvial model on convolved seismic amplitudes. Modelling Permeable Rocks, 3/1/1998. Fulltekst

Hauge, Ragnar; Skorstad, Arne; Gjerde, Jon; Holden, Lars. Conditioning object models to general well data. 3rd Norwegian heterogeneity conference, 11/5/1998.

1997

Skorstad, Arne; Hauge, Ragnar; Holden, Lars. Well conditioning in a fluvial reservoir model. Annual Conference for the International Association for Mathematical Geology, 9/22/1997. Fulltekst

MacDonald, Alister; Tollefsrud, Jan Inge; Hauge, Ragnar; Skorstad, Arne; Holden, Lars. Multiwell conditioning of object models for fluvial reservoir. Stanford & Heriot-Watt University Forum on Reservoir Description and Modeling, 9/1/1997.

Kjellesvik, Lars Edward; Scott, Jason; Hauge, Ragnar. Reducing N/G uncertainty for infill drilling on Forties by using 3D seismic conditioning. EAGE'97, 5/1/1997.

Lecture

2022

Ovanger, Oscar; Eidsvik, Jo; Skauvold, Jacob; Hauge, Ragnar; Aarnes, Ingrid. A rule-based reservoir stacking model with effective well conditioning. IAMG 2022 21st annual conference; Nancy, Frankrike, 8/29/2022 - 9/3/2022.

Aarnes, Ingrid; Hauge, Ragnar. Modelling fluvial environments. Geomodelling workshop; Stavanger, 11/3/2022.

2019

Aker, Eyvind; Røe, Per; Hauge, Ragnar; Abrahamsen, Petter. PCube+ principles. Workshop; Oslo, 1/23/2019 - 1/24/2019.

Aker, Eyvind; Røe, Per; Hauge, Ragnar; Abrahamsen, Petter. PCube+ principles. Workshop; Stavanger, 3/4/2019.

Fjellvoll, Bjørn; Hauge, Ragnar; Almendral Vazquez, Ariel; Abrahamsen, Petter; Skauvold, Jacob. Applied Geostatistics and Geomodelling 2019. Kurs for Equinor; Stavanger, 9/8/2019 - 9/11/2019.

Røe, Per; Kolbjørnsen, Odd; Hauge, Ragnar. Comparison of one- and two-step seismic inversion for Lithology and Fluid prediction. PCube+ inversion workshop; Fornebu, Bærum, 1/24/2019.

2016

Fjellvoll, Bjørn; Abrahamsen, Petter; Hauge, Ragnar; Almendral Vazquez, Ariel. Geostatistics course. Kurs for Statoil; Bergen, 11/7/2016 - 11/10/2016.

2015

Fjellvoll, Bjørn; Hauge, Ragnar; Abrahamsen, Petter; Almendral-Vazquez, Ariel. Four days course in Geostatistics and Advanced Geomodelling. Geostatkurs for Statoil; Stavanger, 11/10/2015 - 11/13/2015.

Poster

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, 9/2/2019 - 9/6/2019.

2013

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, 2/25/2013 - 2/26/2013. Fulltekst

2008

Georgsen, Frode; Syversveen, Anne Randi; Hauge, Ragnar; Tollefsrud, Jan Inge; Fismen, Morten. Local Update of Object-Based Geomodels. EAGE / SPE EuroPec 2008, 6/9/2008. Fulltekst

2003

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, 10/6/2003 - 10/9/2003.

Doctoral dissertation

2016

Lilleborge, Marie. Efficient Information Gathering in Discrete Bayesian Networks. Oslo: 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. Fulltekst Omtale Sammendrag Arkiv

2012

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

Report

2023

Sanchis, Charlotte Juliette; Nilsen, Carl-Inge Colombo; Hauge, Ragnar. Noise model setup QC in PCube+. Norsk Regnesentral. NR-notat SAND/04/2023. pp 23. 2023.

2022

Sanchis, Charlotte Juliette; Hauge, Ragnar. PCube+ likelihood approximation outside the window: Reduced Gaussian mixture. Norsk Regnesentral. NR-notat SAND/06/22. pp 33. 2022.

Fjeldstad, Torstein Mæland; Lilleborge, Marie; Nilsen, Carl-Inge Colombo; Sanchis, Charlotte Juliette; Hauge, Ragnar. Seismic Tiles with application to 4D. Norsk Regnesentral. NR-notat SAND/07/22. pp 62. 2022.

Kjønsberg, Heidi; Fjeldstad, Torstein Mæland; Hauge, Ragnar. Estimate Reservoir Properties. Norsk Regnesentral. NR-notat SAND/08/22. pp 15. 2022.

2021

Hauge, Ragnar; Sanchis, Charlotte Juliette; Olsen, Eliane Huygens. PCube+ window likelihood approximation. Norsk Regnesentral. NR-notat SAND/12/21. pp 28. 2021.

Sanchis, Charlotte Juliette; Hauge, Ragnar. Unknown predictions in PCube+. Norsk Regnesentral. NR-notat SAND/11/2021. pp 31. 2021.

Sanchis, Charlotte Juliette; Hauge, Ragnar. PCube+: Likelihood approximation outside the window and range spanning. Norsk Regnesentral. NR-notat SAND/10/2021. pp 47. 2021.

Sanchis, Charlotte Juliette; Hauge, Ragnar. Focused inversion likelihood analysis. Norsk Regnesentral. NR-notat SAND/05/2021. pp 47. 2021.

Nilsen, Carl-Inge Colombo; Hauge, Ragnar; Kjønsberg, Heidi. Improved Monitor Continuity in PCube+ 4D. Norsk Regnesentral. NR-notat SAND/17/21. pp 14. 2021.

Kjønsberg, Heidi; Hauge, Ragnar; Fjeldstad, Torstein Mæland; Nilsen, Carl-Inge Colombo. Edvard Grieg 4D inversion results. Norsk Regnesentral. NR-notat SAND/16/21. pp 31. 2021.

Aker, Eyvind; Barker, Daniel Martin L; Fjeldstad, Torstein Mæland; Hauge, Ragnar; Kjønsberg, Heidi; Kvernelv, Vegard Berg; Nilsen, Carl-Inge Colombo; Rummelhoff, Ivar; Røe, Per; Sanchis, Charlotte Juliette. PCube User Manual Version 9.0. Norsk Regnesentral. NR-notat SAND/14/21. pp 109. 2021.

Lilleborge, Marie; Fjellvoll, Bjørn; Hauge, Ragnar; Abrahamsen, Petter. Assessing Multiple-Point Statistics by use of pattern counts to compare images. Norsk Regnesentral. NR-notat SAND/15/21. pp 29. 2021.

Røe, Per; Aker, Eyvind; Barker, Daniel Martin L; Fjeldstad, Torstein Mæland; Hauge, Ragnar; Kjønsberg, Heidi; Nilsen, Carl-Inge Colombo; Sanchis, Charlotte Juliette; Abrahamsen, Petter. GIG annual meeting 2021 - Summary of 2020 and planned work for 2021. Norsk Regnesentral. NR-notat SAND/01/21. pp 35. 2021.

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.

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

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.

Kvernelv, Vegard Berg; Hauge, Ragnar; Skauvold, Jacob. Geomodel Parameter Estimation from Process Model Analogues. Norsk Regnesentral. 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.

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.

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. 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. NR-notat SAND/04/2020. pp 82. 2020.

2019

Eikvil, Line; Holden, Marit; Hauge, Ragnar; Kvernelv, Vegard Berg. Estimation of rock cuttings size from images. Norsk Regnesentral. 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.

Sanchis, Charlotte Juliette; Røe, Per; Hauge, Ragnar. PCube+ and focused inversion testing. Norsk Regnesentral. NR-notat SAND/07/2019. pp 52. 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. NR-notat SAND/01/19. pp 27. 2019.

2018

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

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

Sanchis, Charlotte Juliette; Hauge, Ragnar; Røe, Per. Direct inversion for horizon location. Norsk Regnesentral. NR-notat SAND/09/18. pp 53. 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. NR-notat SAND/05/18. pp 72. 2018.

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

2017

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

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

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

2016

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

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

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

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

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

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

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

2015

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

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

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

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.

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

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

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

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

2012

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

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

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

2011

Røe, Per; Hauge, Vera Louise; Hauge, Ragnar; Drange-Espeland, Maren; Kolbjørnsen, Odd. PCube 2011 Arbeidsbeskrivelse. Norsk Regnesentral. 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.

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

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

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

2010

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

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

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

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

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

2009

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

2008

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

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

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

2007

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

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

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

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

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

2006

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

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

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

2005

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

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

Hauge, Ragnar; Kolbjørnsen, Odd. Inversion based volume asessment. Norsk Regnesentral. 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. NR-notat SAND/15/05. pp 44. 2005.

2004

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

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

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

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

2003

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

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

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

2002

Skorstad, Arne; Hauge, Ragnar. Combining elastic impedances into probabilities for sand in the Western Fault Block of the Snorre reservoir. Norsk Regnesentral. NR-notat SAND/07/02. pp 26. 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. NR-notat SAND/08/02. pp 29. 2002.

2000

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

1999

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

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

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

1998

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

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

1997

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

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

1996

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

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

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. NR-notat SAND/07/96. pp 45. 1996.

Popular scientific lecture

2011

Abrahamsen, Petter; Fjellvoll, Bjørn; Hauge, Ragnar; Kolbjørnsen, Odd. Geostatistics course. , .

2010

Fjellvoll, Bjørn; Hauge, Ragnar. Geostatistics course. , .

Hauge, Ragnar; Kolbjørnsen, Odd. CRAVA course for NORSAR. , .

2009

Hauge, Ragnar; Dahle, Pål; Ulvmoen, Marit. CRAVA course for Statoil. , .

2007

Abrahamsen, Petter; Fjellvoll, Bjørn; Kolbjørnsen, Odd; Skorstad, Arne; Hauge, Ragnar. Geostatistics course. , .

Feature article

2009

Hauge, Ragnar. Debating decriminalization of drug use in Norway. Nordic Studies on Alcohol and Drugs (NAD). 2009. Fulltekst

Article in business/trade/industry journal

2005

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.

Reader opinion piece

2008

Hollund, Knut Utne; Kolbjørnsen, Odd; Hauge, Ragnar; Lie, Tove; Jørstad, Arild. Palisade - quantifying risk. Digital Energy journal, 7/1/2008,

2006

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.

Hauge, Ragnar. SAND-gruppa på NR. Tilfeldig gang, 12/5/2006,

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