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Publication profile

Petter Abrahamsen

Petter, Abrahamsen
Name: Petter Abrahamsen
Title: Forskningssjef / Research Director SAND
Phone: (+47) 22852640
Email: Petter [dot] Abrahamsen [at] nr [dot] no
Scientific areas: Petroleum reservoir modelling, Geological faults and surfaces, Spatial statistics (Geostatistics), Stochastic modelling, Seismic depth conversion, Bayesian statistics
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    Academic anthologies

    2012

    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

    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.

    2015

    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: http://dx.doi.org/10.2113/gscpgbull.63.4.304. 2015.

    2014

    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 

    2013

    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.

    2001

    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.

    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

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

    1998

    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. Institutional archive 

    1994

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

    1992

    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.

    Academic chapters

    2012

    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). 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. 2012. Full-text 

    2010

    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 

    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.

    2005

    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 

    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.

    1997

    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 

    1993

    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.

    Academic lectures

    2015

    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 

    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 

    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.

    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.

    2012

    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 

    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.

    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.

    2010

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

    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.

    2009

    Abrahamsen, Petter. STK 4050 Stochastic Simulation – Some Practical Applications and Problems. , , . Institutional archive 

    2008

    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.

    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.

    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.

    2007

    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. Institutional archive 

    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; 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. Institutional archive 

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

    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. Institutional archive 

    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. Institutional archive 

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

    2005

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

    2004

    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.

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

    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.

    1999

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

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

    1998

    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.

    1996

    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.

    1995

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

    1994

    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.

    1991

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

    1989

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

    Scientific lectures

    2016

    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.

    2015

    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

    2012

    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.

    2010

    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. Institutional archive 

    Doctoral dissertations

    1997

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

    Reports

    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.

    2015

    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 5.2. Norsk Regnesentral, Oslo. NR-notat SAND/05/2015. pp 217. 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.

    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.

    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; 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.

    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.

    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.

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

    2012

    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 

    2011

    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; 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.

    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.

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

    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.

    2010

    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. Institutional archive 

    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. Institutional archive 

    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. Institutional archive 

    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.

    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.

    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. Institutional archive 

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

    2008

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

    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. Institutional archive 

    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. Institutional archive 

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

    2007

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

    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.

    2006

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

    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.

    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.

    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.

    2000

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

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

    1999

    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.

    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.

    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. , . 917. pp 64. 1997. Institutional archive 

    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.

    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.

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

    1996

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

    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. Geostatistics for seismic depth conversion. Norsk Regnesentral, Oslo. NR-notat SAND/06/96. pp 9. 1996. Institutional archive 

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

    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. Ambiguous models for subsurface prediction. Norsk Regnesentral, Oslo. NR-notat SAND/12/95. pp 30. 1995. Institutional archive 

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

    1994

    Abrahamsen, Petter. A review of Gaussian random fields and correlation functions. , . 878. 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.

    1993

    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.

    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.

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

    1991

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

    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.

    1990

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

    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.

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

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

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

    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.

    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.

    Popular scientific lectures

    2015

    Abrahamsen, Petter. Geologisk modellering på Norsk Regnesentral. Lunsj og lær; NGI, Oslo, 06.11.2015.

    2013

    Abrahamsen, Petter. Norsk Regnesentral(NR)/Norwegian Computing Center. FORCE- Joining Forces Seminar; FORCE, Stavanger, 22.05.2013 - 23.05.2013.

    2011

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

    Abrahamsen, Petter. Terningkast i oljebransjen. IDE-Festivalen 2011, Digitalisering, Universitetet i Oslo; Universitetet i Oslo, 17.09.2011.

    2009

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

    2008

    Abrahamsen, Petter; Almendral Vazquez, Ariel; Dahle, Pål. COHIBA course. , .

    2007

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

    Abrahamsen, Petter. STK 4050 Stochastic Simulation – Some Practical Applications and Problems. , . Institutional archive 

    Articles in business, trade and industry journals

    1988

    Abrahamsen, Petter. Random walk in field theories. Ukjent. 1988.

    Popular scientific articles

    1996

    Buland, Arild; Hansen, Olav; Abrahamsen, Petter; Hektoen, Anne-Lise. Stochastic reservoir characterization using AVO inversion. Ukjent. 27.10.1996.

    Media, programme participations

    2011

    Alteren, Olaf G.; Abrahamsen, Petter. Grenseløst - matematikk. [Radio] 2011-05-24

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Postadresse: Norsk Regnesentral, Postboks 114 Blindern, 0314 Oslo
Besøksadresse: Norsk Regnesentral, Gaustadalleen 23a, Kristen Nygaards hus, 0373 Oslo
Tlf: (+47) 22 85 25 00
AdresseHvordan komme til NR