Petter Abrahamsen

Heidi Kjønsberg; Daniel Martin L Barker; Torstein Mæland Fjeldstad; Bjørn Fjellvoll; Ragnar Hauge; et al. GIG annual meeting 2025 - Summary of 2024 and planned work for 2025 2025. Report

Eyvind Aker; Daniel Martin L Barker; Torstein Mæland Fjeldstad; Bjørn Fjellvoll; Ragnar Hauge; et al. GIG annual meeting 2024 - summary of 2023 and planned work for 2024 2024. Report

Petter Abrahamsen; Norwegian Computing Center, Joining Forces: Solving the energy challenges together 2024. Lecture

Marie Lilleborge; Ragnar Hauge; Bjørn Fjellvoll; Petter Abrahamsen; Using Pattern Counts to Quantify the Difference Between a Pair of Three-Dimensional Realizations Mathematical Geosciences, vol. 56, pp. 1629 1639 , (ISSN 1874-8961 1874-8953 ), doi: https://doi.org/10.1007/s11004-024-10145-6 , 2024. Scientific article

Ariel Almendral Vazquez; Pål Dahle; Petter Abrahamsen; Audun Sektnan; Consistent prediction of well paths and geological surfaces Computational Geosciences, vol. 28, pp. 1099 1113 15 , (ISSN 1420-0597 1573-1499 ), doi: https://doi.org/10.1007/s10596-024-10310-0 , 2024. Scientific article

Daniel Martin L Barker; Torstein Mæland Fjeldstad; Bjørn Fjellvoll; Ragnar Hauge; Heidi Kjønsberg; et al. PCube User Manual Version 10.5 2024. Report

Eyvind Aker; Daniel Martin L Barker; Torstein Mæland Fjeldstad; Bjørn Fjellvoll; Ragnar Hauge; et al. PCube User Manual version 10.0 2023. Report

Eyvind Aker; Daniel Martin L Barker; Torstein Mæland Fjeldstad; Bjørn Fjellvoll; Ragnar Hauge; et al. PCube reference manual 2023. Report

Petter Abrahamsen; Uncertainty, probability and bad luck 2023. Lecture

Ariel Almendral Vazquez; Pål Dahle; Petter Abrahamsen; Audun Sektnan; Conditioning geological surfaces to horizontal wells Computational Geosciences, pp. 0 , (ISSN 1420-0597 1573-1499 ), doi: https://doi.org/10.1007/s10596-022-10154-6 , 2022. Scientific article

Eyvind Aker; Daniel Martin L Barker; Torstein Mæland Fjeldstad; Ragnar Hauge; Heidi Kjønsberg; et al. GIG annual meeting 2022 - Summary of 2021 and planned work for 2022 2022. Report

Per Røe; Eyvind Aker; Daniel Martin L Barker; Torstein Mæland Fjeldstad; Ragnar Hauge; et al. GIG annual meeting 2021 - Summary of 2020 and planned work for 2021 2021. Report

Fra verdifulle oljefelt til farlige løsmasser med COHIBA , 2021. Popular science hosting

Vegard Berg Kvernelv; Ingrid Aarnes; Petter Abrahamsen; Geostatistisk kartlegging av løsmasser 2021. Report

Marie Lilleborge; Bjørn Fjellvoll; Ragnar Hauge; Petter Abrahamsen; Assessing Multiple-Point Statistics by use of pattern counts to compare images 2021. Report

Per Røe; Ragnar Hauge; Eyvind Aker; Daniel Martin L Barker; Carl-Inge Colombo Nilsen; et al. GIG annual meeting 2020 Summary of 2019 and planned work for 2020 2020. Report

Håvard Goodwin; Marie Lilleborge; Petter Abrahamsen; Decision Nodes - Uncertainty propagation in decision trees 2020. Report

Audun Sektnan; Petter Abrahamsen; Pål Dahle; Dip point coordinates in COHIBA 2020. Report

Ariel Almendral Vazquez; Pål Dahle; Petter Abrahamsen; Compendium of Linvel formulas used in Cohiba 2020. Report

Petter Abrahamsen; Pål Dahle; Vegard Berg Kvernelv; Audun Sektnan; Ariel Almendral Vazquez; et al. COHIBA User Manual Version 6.1 2020. Report

Pål Dahle; Petter Abrahamsen; Ariel Almendral Vazquez; Handling true vertical depth (TVD) uncertainty in wells 2019. Lecture

Petter Abrahamsen; A historic perspective on Bayesian surface modelling 2019. Lecture

Audun Sektnan; Pål Dahle; Ariel Almendral Vazquez; Petter Abrahamsen; Getting the zonation right. A synthetic real-time case study 2019. Lecture

Ariel Almendral Vazquez; Petter Abrahamsen; Pål Dahle; Audun Sektnan; A novel implementation of the LinVel model 2019. Lecture

Ariel Almendral Vazquez; Petter Abrahamsen; Pål Dahle; Audun Sektnan; Getting the most out of your deep directional resistivity data 2019. Lecture

Petter Abrahamsen; Compaction and Subsidence 2019. Lecture

Petter Abrahamsen; COHIBA - Consistent, robust, and accurate prediction of surfaces 2019. Lecture

Petter Abrahamsen; Volume estimation, simulation and rejection sampling - Some rarely used COHIBA features 2019. Lecture

Bjørn Fjellvoll; Ragnar Hauge; Ariel Almendral Vazquez; Petter Abrahamsen; Jacob Skauvold; Applied Geostatistics and Geomodelling 2019 2019. Lecture

Eyvind Aker; Per Røe; Ragnar Hauge; Petter Abrahamsen; PCube+ principles 2019. Lecture

Eyvind Aker; Per Røe; Ragnar Hauge; Petter Abrahamsen; PCube+ principles 2019. Lecture

Petter Abrahamsen; Machine learning - Finding Cut Rocks and Cute Animals 2019. Lecture

Petter Abrahamsen; Modelling Techniques 2019. Lecture

Per Røe; Ragnar Hauge; Eyvind Aker; Daniel Martin L Barker; Carl-Inge Colombo Nilsen; et al. GIG annual meeting 2019 - Summary of 2018 and planned work for 2019 2019. Report

Petter Abrahamsen; Kriging Derivatives , 2019. Report

Ariel Almendral Vazquez; Ingrid Aarnes; Petter Abrahamsen; Application of NR’s Solutions to Geothermal Reservoir Characterization 2019. Report

Petter Abrahamsen; Pål Dahle; Vegard Berg Kvernelv; Audun Sektnan; Ariel Almendral Vazquez; et al. COHIBA User Manual Version 6.0 2019. Report

Pål Dahle; Ingrid Aarnes; Petter Abrahamsen; Ariel Almendral Vazquez; Audun Sektnan; Increasing subsurface accuracy with COHIBA by taking advantage of resistivity contrasts 2019. Report

Petter Abrahamsen; Vegard Berg Kvernelv; Daniel Martin L Barker; Simulation of Gaussian Random Fields Using the Fast Fourier Transform (FFT) pp. 14 , doi: https://doi.org/10.3997/2214-4609.201802134 , 2018. Scientific chapter / article / conference article

Pål Dahle; Ariel Almendral Vazquez; Petter Abrahamsen; COHIBA and velocity models linear in depth 2018. Report

Petter Abrahamsen; Ariel Almendral Vazquez; Pål Dahle; Vegard Berg Kvernelv; Audun Sektnan; Cohiba User Manual Version 5.6 , 2018. Report

Vegard Berg Kvernelv; Daniel Martin L Barker; Petter Abrahamsen; Simulation of Gaussian Random Fields Using the Fast Fourier Transform 2018. Report

Maria Vigsnes; Odd Kolbjørnsen; Vera Louise Hauge; Pål Dahle; Petter Abrahamsen; Fast and Accurate Approximation to Kriging Using Common Data Neighborhoods Mathematical Geosciences, vol. 49, pp. 619 634 , (ISSN 1874-8961 1874-8953 ), doi: https://doi.org/10.1007/s11004-016-9665-7 , 2017. Scientific article

Per Røe; Ragnar Hauge; Eyvind Aker; Petter Abrahamsen; Vera Louise Hauge; et al. GIG annual meeting 2018 Summary of 2017 planned work for 2018 2017. Report

Petter Abrahamsen; Pål Dahle; Vegard Berg Kvernelv; Audun Sektnan; Ariel Almendral Vazquez; Cohiba User Manual Version 5.5 , 2017. Report

Petter Abrahamsen; Norsk Regnesentral, Joining Forces 2016 2016. Lecture

Bjørn Fjellvoll; Petter Abrahamsen; Ragnar Hauge; Ariel Almendral Vazquez; Geostatistics course 2016. Lecture

Petter Abrahamsen; Pål Dahle; Vera Louise Hauge; Gudmund Horn Hermansen; Vegard Berg Kvernelv; et al. Cohiba User Manual Version 5.4 2016. Report

Pål Dahle; Petter Abrahamsen; Ariel Almendral-Vazquez; Simultaneous prediction of geological surfaces and well paths 2015. Lecture

Bjørn Fjellvoll; Ragnar Hauge; Petter Abrahamsen; Ariel Almendral-Vazquez; Four days course in Geostatistics and Advanced Geomodelling 2015. Lecture

Petter Abrahamsen; Geostatistics course 2015. Lecture

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

Maria Vigsnes; Petter Abrahamsen; Vera Louise Hauge; Odd Kolbjørnsen; Efficient Neighborhoods for Kriging with Numerous Data , 2015. Scientific lecture

Pål Dahle; Petter Abrahamsen; Ariel Almendral-Vazquez; Simultaneous prediction of geological surfaces and well paths , 2015. Scientific lecture

Ariel Almendral-Vazquez; Petter Abrahamsen; Pål Dahle; Gudmund Horn Hermansen; A continuous model for well depths: theory and application to well repositioning 2015. Scientific lecture

Petter Abrahamsen; Geologisk modellering på Norsk Regnesentral 2015. Lecture popular

Maria Vigsnes; Petter Abrahamsen; Detailed analyses for Cohiba depth conversion on the Johan Sverdrup Oil Field 2015. Report

Maria Vigsnes; Petter Abrahamsen; Depth conversion on the Johan Sverdrup Oil field - using Cohiba 2015. Report

Pål Dahle; Petter Abrahamsen; Ariel Almendral-Vazquez; Surface modelling in fault blocks using COHIBA: A feasibility study 2015. Report

Petter Abrahamsen; Pål Dahle; Vera Louise Hauge; Gudmund Horn Hermansen; Maria Vigsnes; et al. Cohiba User Manual, Version 5.1 , 2015. Report

Petter Abrahamsen; Pål Dahle; Vera Louise Hauge; Gudmund Horn Hermansen; Maria Vigsnes; et al. Cohiba User Manual Version 5.3 , 2015. Report

Petter Abrahamsen; Pål Dahle; Vera Louise Hauge; Gudmund Horn Hermansen; Maria Vigsnes; et al. Cohiba User Manual Version 5.2 , 2015. Report

Per Røe; Frode Georgsen; Petter Abrahamsen; An Uncertainty Model for Fault Shape and Location Mathematical Geosciences, vol. 46, pp. 957 969 , (ISSN 1874-8961 1874-8953 ), doi: https://doi.org/10.1007/s11004-014-9536-z , 2014. Scientific article

Petter Abrahamsen; Pål Dahle; Vera Louise Hauge; Ariel Almendral-Vazquez; Maria Vigsnes; Surface prediction using rejection sampling to handle non-linear relationships 2014. Scientific lecture

Petter Abrahamsen; Pål Dahle; Vera Louise Hauge; Maria Vigsnes; Impact on Gross-Rock Volume Distributions from Uncertainties in Surfaces and Hydrocarbon Contacts 2014. Scientific lecture

Maria Vigsnes; Petter Abrahamsen; Detailed analysis for Cohiba depth conversion on the Johan Sverdrup Field Rev. 2 2014. Report

Odd Kolbjørnsen; Marita Stien; Heidi Kjønsberg; Bjørn Fjellvoll; Petter Abrahamsen; Using Multiple Grids in Markov Mesh Facies Modeling Mathematical Geosciences, vol. 46, pp. 205 225 , (ISSN 1874-8961 1874-8953 ), doi: https://doi.org/10.1007/s11004-013-9499-5 , 2013. Scientific article

Petter Abrahamsen; Norsk Regnesentral(NR)/Norwegian Computing Center 2013. Lecture popular

Petter Abrahamsen; Pål Dahle; Gudmund Horn Hermansen; Vera Louise Hauge; Maria Vigsnes; COHIBA user manual version 4.2 (SAND/10/13) 2013. Report

Petter Abrahamsen; Pål Dahle; Vera Louise Hauge; Gudmund Horn Hermansen; Maria Vigsnes; COHIBA technical manual (SAND/12/13) 2013. Report

Petter Abrahamsen; SAND 2013 - Kiel 2013. Report

Petter Abrahamsen; Pål Dahle; Frode Georgsen; Gudmund Horn Hermansen; Inge Myrseth; Cohiba User Manual Version 4.1 , 2013. Report

Anne Randi Syversveen; Petter Abrahamsen; Jan Tveranger; Halvor Møll Nilsen; Knut-Andreas Lie; A Study on How Cap Rock Geometry Influences the CO2 Storage Capacity 2012. Poster

Geostatistics Oslo 2012 (ISSN 978-94-007-4152-2 ), , 2012. Scientific anthology / conference series

Vegard Røine Stenerud; Hans Ivar Kallekleiv; Petter Abrahamsen; Pål Dahle; Arne Skorstad; et al. Added Value by Fast and Robust Conditioning of Structural Surfaces to Horizontal Wells for Real-World Reservoir Models pp. 8 , doi: https://doi.org/10.2118/159746-ms , 2012. Scientific chapter / article / conference article

Anne Randi Syversveen; Halvor Møll Nilsen; Knut-Andreas Lie; Jan Tveranger; Petter Abrahamsen; A Study on How Top-Surface Morphology Influences the Storage Capacity of CO2 in Saline Aquifers pp. 481 492 , doi: https://doi.org/10.1007/978-94-007-4153-9_39 , 2012. Scientific chapter / article / conference article

Petter Abrahamsen; Pål Dahle; Arne Skorstad; A Fast and Consistent Geostatistical Approach for Constraining 3D Structural Models to Horizontal Wells , 2012. Scientific lecture

Anne Randi Syversveen; Halvor Møll Nilsen; Knut-Andreas Lie; Jan Tveranger; Petter Abrahamsen; A Study of How Top-Surface Morphology Influences the Storage Capacity of CO2 in Saline Aquifers 2012. Scientific lecture

Petter Abrahamsen; Pål Dahle; Frode Georgsen; Inge Myrseth; Cohiba User Manual Version 4.0 2012. Report

Ariel Almendral-Vazquez; Pål Dahle; Petter Abrahamsen; Frode Georgsen; Inge Myrseth; Cohiba User Manual Version 3.1.1 , 2012. Report

Grenseløst - matematikk 2011. Media participation

Anne Randi Syversveen; Halvor Møll Nilsen; Knut-Andreas Lie; Jan Tveranger; Petter Abrahamsen; A study on how top surface morphology influences the CO2 storage capacity 2011. Scientific lecture

Petter Abrahamsen; Terningkast i oljebransjen 2011. Lecture popular

Petter Abrahamsen; Bjørn Fjellvoll; Ragnar Hauge; Odd Kolbjørnsen; Geostatistics course 2011. Lecture popular

Heidi Kjønsberg; Marita Stien; Bjørn Fjellvoll; Odd Kolbjørnsen; Petter Abrahamsen; Methods of the Markov Mesh Multi-Grid Module in RMS 2011. Report

Ariel Almendral-Vazquez; Pål Dahle; Petter Abrahamsen; Frode Georgsen; Inge Bjørn Myrseth; Cohiba user manual Version 2.5 2011. Report

Ariel Almendral-Vazquez; Pål Dahle; Petter Abrahamsen; Frode Georgsen; Inge Bjørn Myrseth; COHIBA user manual - Version 2.3 2011. Report

Petter Abrahamsen; Ariel Almendral-Vazquez; Pål Dahle; Frode Georgsen; Inge Myrseth; Cohiba user manual version 3.0 2011. Report

Bjørn Fjellvoll; Petter Abrahamsen; Parallelization of Petrosim 2011. Report

Ariel Almendral-Vazquez; Petter Abrahamsen; Pål Dahle; Frode Georgsen; Inge Bjørn Myrseth; COHIBA user manual - Version 2.4 2011. Report

Petter Abrahamsen; Pål Dahle; Frode Georgsen; Arne Skorstad; A Consistent Geostatistical Approach for Constraining Multiple Surfaces to Horizontal Wells , 2010. Poster

Per Røe; Petter Abrahamsen; Frode Georgsen; Anne Randi Syversveen; Oddvar Lia; Flexible Simulation of Faults pp. 8 , , 2010. Scientific chapter / article / conference article

Petter Abrahamsen; Statistics in the petroleum industry 2010. Scientific lecture

Per Røe; Petter Abrahamsen; Frode Georgsen; Anne Randi Syversveen; Oddvar Lia; SPE 134912 - Flexible Simulation of Faults 2010. Scientific lecture

Ariel Almendral-Vazquez; Pål Dahle; Petter Abrahamsen; Arne Skorstad; Frode Georgsen; et al. COHIBA user manual - Version 2.0 , 2010. Report

Ariel Almendral-Vazquez; Pål Dahle; Petter Abrahamsen; Arne Skorstad; Frode Georgsen; et al. COHIBA user manual — Version 2.1 , 2010. Report

Ariel Almendral-Vazquez; Pål Dahle; Petter Abrahamsen; Arne Skorstad; Frode Georgsen; et al. COHIBA user manual — Version 2.2 , 2010. Report

Petter Abrahamsen; STK 4050 Stochastic Simulation – Some Practical Applications and Problems , 2009. Scientific lecture

Petter Abrahamsen; Bjørn Fjellvoll; Odd Kolbjørnsen; Arne Skorstad; Geostatistics course 2009. Lecture popular

Heidi Kjønsberg; Bjørn Fjellvoll; Petter Abrahamsen; Odd Kolbjørnsen; Marita Stien; Methods of the Multipoint Module in RMS 2009. Report

Petter Abrahamsen; Ariel Almendral-Vazquez; Pål Dahle; Arne Skorstad; Frode Georgsen; COHIBA — Technical Documentation 2009. Report

Petter Abrahamsen; Ariel Almendral-Vazquez; Conditioning Surfaces on Hydrocarbon Contacts in COHIBA 2009. Report

Per Røe; Frode Georgsen; Petter Abrahamsen; Ariel Almendral-Vazquez; Surface based fault format in Havana , 2009. Report

Petter Abrahamsen; SAND 2009 2009. Report

Ariel Almendral-Vazquez; Pål Dahle; Petter Abrahamsen; Arne Skorstad; Frode Georgsen; COHIBA user manual version 1.4.1 , 2009. Report

Ariel Almendral-Vazquez; Petter Abrahamsen; Ragnar Hauge; Multidimensional Scaling and Anisotropic Covariance Functions pp. 187 196 , 2008. Scientific chapter / article / conference article

Arne Skorstad; Frode Georgsen; Petter Abrahamsen; Eivind Smørgrav; Reservoir Characterization Improvement by Accounting for Well Test Extracted Effective Permeabilities 2008. Scientific lecture

Petter Abrahamsen; Bjørn Fjellvoll; Ragnar Hauge; John Howell; Tor Even Aas; TuMod – Process Based Stochastic Modelling of Deep Marine Deposits 2008. Scientific lecture

Bjørn Fjellvoll; Petter Abrahamsen; Ragnar Hauge; John Howell; Tor Even Aas; Stochastic modelling of deep marine deposits by mimicking sedimentary processes 2008. Scientific lecture

Petter Abrahamsen; Ariel Almendral Vazquez; Pål Dahle; COHIBA course 2008. Lecture popular

Petter Abrahamsen; Ariel Almendral-Vazquez; Pål Dahle; Arne Skorstad; COHIBA - Technical Documentation 2008. Report

Heidi Kjønsberg; Odd Kolbjørnsen; Marita Stien; Petter Abrahamsen; Main Results of the Multipoint Project , 2008. Report

Marita Stien; Ragnar Hauge; Odd Kolbjørnsen; Petter Abrahamsen; Modification of the Snesim Algorithm 2008. Report

Marita Stien; Heidi Kjønsberg; Odd Kolbjørnsen; Petter Abrahamsen; An implementation of conditional Markov mesh simulation with parameter estimation , 2008. Report

Tor Even Aas; Ragnar Hauge; Bjørn Fjellvoll; Petter Abrahamsen; John Anthony Howell; et al. Process based modelling of deep marine reservoir systems 2007. Scientific lecture

Petter Abrahamsen; TuMod – Stochastic Modeling of Turbidite Sedimentation , 2007. Scientific lecture

Petter Abrahamsen; Bjørn Fjellvoll; Ragnar Hauge; John Anthony Howell; Tor Even Aas; Process Based Stochastic Modeling of Deep Marine Reservoirs , 2007. Scientific lecture

Petter Abrahamsen; Stochastic Modeling of Turbidite Sedimentation 2007. Scientific lecture

Marita Stien; Odd Kolbjørnsen; Ragnar Hauge; Petter Abrahamsen; Modification of the SNESIM algorithm , 2007. Scientific lecture

Frode Georgsen; Petter Abrahamsen; Arne Skorstad; Combining Well Logs and Well Test Data in Permeability Modelling Using Fast Fourier Transform , 2007. Scientific lecture

Petter Abrahamsen; Bjørn Fjellvoll; Ragnar Hauge; John Howell; Tor Even Aas; Stochastic modelling of deep - marine deposits , 2007. Scientific lecture

Tor Even Aas; John Howell; Bjørn Fjellvoll; Petter Abrahamsen; Ragnar Hauge; A process based attempt to re-create the Peïra Cava sub-basin, SE France , 2007. Scientific lecture

Petter Abrahamsen; Bjørn Fjellvoll; Odd Kolbjørnsen; Arne Skorstad; Ragnar Hauge; Geostatistics course 2007. Lecture popular

Petter Abrahamsen; STK 4050 Stochastic Simulation – Some Practical Applications and Problems , 2007. Lecture popular

Ariel Almendral-Vazquez; Pål Dahle; Petter Abrahamsen; Arne Skorstad; COHIBA user manual 2007. Report

Frode Georgsen; Petter Abrahamsen; Arne Skorstad; Combining Well Logs and Well Test Data in Permeability Modelling 2007. Report

Petter Abrahamsen; Ariel Almendral-Vazquez; Pål Dahle; Arne Skorstad; Harald Heimtun Soleng; Cohiba 0.2 Specification and design document 2006. Report

Petter Abrahamsen; SAND 2005 , 2006. Report

Pål Dahle; Odd Kolbjørnsen; Petter Abrahamsen; When can shape and scale parameters of a 3D variogram be estimated? pp. 949 958 , , 2005. Scientific chapter / article / conference article

Odd Kolbjørnsen; Petter Abrahamsen; Theory and application of the cloud transform pp. 45 54 , , 2005. Scientific chapter / article / conference article

Petter Abrahamsen; Combining Methods for Subsurface Prediction pp. 601 610 , , 2005. Scientific chapter / article / conference article

Petter Abrahamsen; Stochastic models linking physics, interpretations, and ambiguities 2005. Scientific lecture

Odd Kolbjørnsen; Petter Abrahamsen; The Cloud Transform 2004. Scientific lecture

Petter Abrahamsen; Stochastic modelling linking physics, interpretations, and ambiguities 2004. Scientific lecture

Odd Kolbjørnsen; Ragnar Hauge; Petter Abrahamsen; Correlation Study for inverted seismic on Oseberg Øst 2004. Report

Anne Randi Syversveen; Odd Kolbjørnsen; Petter Abrahamsen; Application of multiple point statistics to the Oseberg Øst field 2003. Report

Petter Abrahamsen; Fred Espen Benth; Kriging with inequality constraints Mathematical Geology, vol. 33, pp. 719 744 , (ISSN 0882-8121 1573-8868 ), doi: https://doi.org/10.1023/A:1011078716252 , 2001. Scientific article

Lars Holden; Petter Abrahamsen; Recent development in conditioning reservoir models using geostatistics 2001. Scientific lecture

Petter Abrahamsen; Ragnar Hauge; Knut Heggland; Petter F. Mostad; Estimation of gross rock volume of filled geological structures with uncertainty measures SPE Reservoir Evaluation and Engineering, vol. 3, pp. 304 309 , (ISSN 1094-6470 1930-0212 ), doi: https://doi.org/10.2118/65419-PA , 2000. Scientific article

Lars Holden; Bent Natvig; Sigurd Sannan; Petter Abrahamsen; Hilmar Bungum; Modelling spatial and temporal dependencies between earthquakes 2000. Scientific chapter / article / conference article

Petter Abrahamsen; Lars Holden; Efficient numerical algorithms for large cokriging systems 2000. Report

Petter Abrahamsen; Fred Espen Benth; Kriging with inequality constraints 2000. Report

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

Petter Abrahamsen; Faults and horizon modelling 1999. Scientific lecture

Petter Abrahamsen; Why use stochastic models with time consuming simulation algorithms 1999. Scientific lecture

Petter Abrahamsen; FFT algorithm for simulating Gaussian random fields 1999. Report

Petter Abrahamsen; Anne-Lise Hektoen; Specification of new petrophysical modelling tool 1999. Report

Petter Abrahamsen; Fred Espen Benth; 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 6 , , 1998. Scientific article

Petter Abrahamsen; Ragnar Hauge; Knut Heggland; Petter F. Mostad; Uncertain Cap Rock Geometry, Spill Point, and Gross Rock Volume, SPE 49286 1998. Scientific lecture

Ragnar Bang Huseby; Petter Abrahamsen; Statistical analysis of seismic time data from the Troll field 1998. Report

Petter Abrahamsen; Prediction of geological subsurfaces based on Gaussian random field models 1997. Doctor dissertat

Petter Abrahamsen; Anne-Lise Hektoen; Lars Holden; Kristin Lucie Munthe; Seismic impedance and porosity: Support effects , 1997. Scientific chapter / article / conference article

Anne H S Solberg; Geir Olve Storvik; André Teigland; Johan Møller-Holst; Anker M. Berge; et al. Seismic image analysis: A pilot study for investigating the relevance of using image analysis techniques on seismic data 1997. Report

Jon Gjerde; Petter Abrahamsen; HCPV evaluation of Sleipner Øst and Loke 1997. Report

Fred Espen Benth; Petter Abrahamsen; Ragnar Hauge; HCPV studium for PL199b 1997. Report

Petter Abrahamsen; A Review of Gaussian random fields and correlation functions - Second edition (ISSN 82-539-0435-5 ), , 1997. Report

Ragnar Hauge; Arne Skorstad; Lars Holden; Petter Abrahamsen; Conditioning a Fluvial Model on Convolved Seismic Amplitudes 1997. Report

Fred Espen Benth; Petter Abrahamsen; Bayesian kriging of Gaussian fields constrained by inequality data 1997. Report

Petter Abrahamsen; Velocity log data in DepCon 1997. Report

Nils Lid Hjort; Petter Abrahamsen; Moments of the maximum of two correlated normals 1997. Report

Arild Buland; Olav Hansen; Petter Abrahamsen; Anne-Lise Hektoen; Stochastic reservoir characterization using AVO inversion Ukjent, 1996. Science for the public article

Petter Abrahamsen; 3D-AVO in stochastic reservoir modelling - geostatistical methods for data integration 1996. Scientific lecture

Petter Abrahamsen; Current and future methods for conditioning of reservoir descriptions to seismic data 1996. Scientific lecture

Petter Abrahamsen; Geostatistics for seismic depth conversion , 1996. Report

Knut Heggland; Petter Abrahamsen; A geostatistical analysis of well data 1996. Report

Petter Abrahamsen; Arild Buland; Erik Bølviken; Ragnar Hauge; Anne-Lise Hektoen; et al. Conditioning stochastic reservoir models on seismic amplitude traces - Stochastic inversion and simulation 1996. Report

Petter Abrahamsen; Ragnar Hauge; Knut Heggland; Estimation of reserves with unknown spillpoint , 1996. Report

Petter Abrahamsen; Geostatistics course 1995. Scientific lecture

Kjersti Aas; Petter Abrahamsen; Fred Espen Benth; HCPV evaluation of Troll Olje Gas Province 1995. Report

Petter Abrahamsen; Probability density functions for hydrocarbon contacts 1995. Report

Petter Abrahamsen; Ambiguous models for subsurface prediction , 1995. Report

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

Petter Abrahamsen; Geostatistics course 1994. Scientific lecture

Petter Abrahamsen; Kriging derivatives 1994. Scientific lecture

Petter Abrahamsen; Stochastic description of geological subsurfaces 1994. Scientific lecture

Petter Abrahamsen; A review of Gaussian random fields and correlation functions (ISSN 82-539-0373-1 ), 1994. Report

Petter Abrahamsen; Rolf Clemetsen; Einar Hatlebakk; Steinar Kristoffersen; DepCon 3.0 - User guide. Adapted from on-line help system 1994. Report

Petter Abrahamsen; Bayesian kriging for seismic depth conversion of a multi-layer reservoir pp. 385 398 , 1993. Scientific chapter / article / conference article

Petter Abrahamsen; Einar Hatlebakk; Anne-Lise Hektoen; A location dependent linear velocity model 1993. Report

Rolf Clemetsen; Petter Abrahamsen; HORIZON 4.1 - extension to 4.0 user guide and theory for horizon_dc 1993. Report

Petter Abrahamsen; Rolf Clemetsen; Thore Egeland; Einar Hatlebakk; Anders Kluge; et al. DepCon 2.1 - User Guide. Adapted from on-line help system 1993. Report

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

Petter Abrahamsen; Henning Omre; HORIZON 4 - Geometrical module. User guide and theory for HORIZON_dc 1992. Report

Petter Abrahamsen; Thore Egeland; Einar Hatlebakk; DepCon: Theory and methods 1992. Report

Petter Abrahamsen; Rolf Clemetsen; Thore Egeland; Einar Hatlebakk; Anders Kluge; et al. DepCon. Version 2.0. User guide. Adapted from on-line help system 1992. Report

Petter Abrahamsen; Stokastisk feltteori anvendt på seismisk dybdekonvertering 1991. Scientific lecture

Petter Abrahamsen; Thore Egeland; Oddvar Lia; Rune Asgeir Madsen; New estimates of HCPV with uncertainty for SMØRBUKK SOUTH 1991. Report

Petter Abrahamsen; Thore Egeland; Oddvar Lia; Oil in place - estimates with uncertainty for NJORD 1991. Report

Petter Abrahamsen; Henning Omre; Decisions on development and appreciation of information 1991. Report

Petter Abrahamsen; Henning Omre; Oddvar Lia; Stochastic models for seismic depth conversion of geological horizons 1991. Report

Petter Abrahamsen; Utvinnbar ressurs som funksjon av antall dreneringspunkter - anslag med usikkerhet 1990. Report

Petter Abrahamsen; Kjetil B. Halvorsen; Oddvar Lia; Potensiell reduksjon i usikkerheten til anslaget på hydrokarbonreserver i Gullfaks Sør. Resultater for testproduksjonsmodell. Hefte I, II og III 1990. Report

Petter Abrahamsen; Programmering i FORTRAN - retningslinjer og råd for SAND 1990. Report

Petter Abrahamsen; Kjetil B. Halvorsen; Oddvar Lia; Tilstedeværende ressurs og utvinnbar ressurs i Gullfaks Sør - anslag med usikkerhet. Hefte I, II, III og IV 1990. Report

Petter Abrahamsen; Kjetil B. Halvorsen; Prediksjon av tilstedeværende hydrokarbonvolum 1989. Scientific lecture

Petter Abrahamsen; Kjetil B. Halvorsen; Henning Omre; Analyse av stackinghastighetsdata med hovedvekt på bestemmelse av usikkerhet - forprosjekt 1989. Report

Petter Abrahamsen; Kjetil B. Halvorsen; Henning Omre; Geometrical characteristics og Gyda reservoir - Preliminary report 1989. Report

Petter Abrahamsen; HORIZON/STACK - brukerveiledning og teknisk dokumentasjon 1989. Report

Petter Abrahamsen; Romlige usikkerheter i intervallhastigheter. Uttesting av programmet HORIZON/STACK 1989. Report

Petter Abrahamsen; Kjetil B. Halvorsen; HORIZON 3.1 - brukerveiledning og teknisk dokumentasjon 1989. Report

Petter Abrahamsen; Random walk in field theories Ukjent, 1988. Article journal

Petter Abrahamsen; Erik Bølviken; Jon Helgeland; Geir Storvik; Kan en computer inndele en brønn i sedimentære facies uten å anvende andre data enn logger? 1988. Report

Petter Abrahamsen; Vidar Berteig; Kjetil B. Halvorsen; Henning Omre; Simulations of hydrocarbon pore volume for Smørbukk south 1988. Report

Petter Abrahamsen; Jon Helgeland; Geir Storvik; En undersøkelse av muligheten for å skille vannsoner fra oljesoner på grunnlag av loggmålinger 1988. Report