Petter Abrahamsen

GIG annual meeting 2022 – Summary of 2021 and planned work for 2022

Aker, Eyvind; Barker, Daniel Martin L; Fjeldstad, Torstein Mæland; Hauge, Ragnar; Kjønsberg, Heidi; Nilsen, Carl-Inge Colombo; Røe, Per; Sanchis, Charlotte Juliette; Abrahamsen, Petter

Fra verdifulle oljefelt til farlige løsmasser med COHIBA

Assessing Multiple-Point Statistics by use of pattern counts to compare images

Lilleborge, Marie; Fjellvoll, Bjørn; Hauge, Ragnar; Abrahamsen, Petter

Decision Nodes – Uncertainty propagation in decision trees

Goodwin, Håvard; Lilleborge, Marie; Abrahamsen, Petter

Compendium of Linvel formulas used in Cohiba

Almendral Vazquez, Ariel; Dahle, Pål; Abrahamsen, Petter

Handling true vertical depth (TVD) uncertainty in wells

Dahle, Pål; Abrahamsen, Petter; Almendral Vazquez, Ariel

Getting the zonation right. A synthetic real-time case study

Sektnan, Audun; Dahle, Pål; Almendral Vazquez, Ariel; Abrahamsen, Petter

Getting the most out of your deep directional resistivity data

Almendral Vazquez, Ariel; Abrahamsen, Petter; Dahle, Pål; Sektnan, Audun

COHIBA – Consistent, robust, and accurate prediction of surfaces

Abrahamsen, Petter

Applied Geostatistics and Geomodelling 2019

Fjellvoll, Bjørn; Hauge, Ragnar; Almendral Vazquez, Ariel; Abrahamsen, Petter; Skauvold, Jacob

PCube+ principles

Aker, Eyvind; Røe, Per; Hauge, Ragnar; Abrahamsen, Petter

Modelling Techniques

Abrahamsen, Petter

Kriging Derivatives

Abrahamsen, Petter

COHIBA User Manual Version 6.0

Abrahamsen, Petter; Dahle, Pål; Kvernelv, Vegard Berg; Sektnan, Audun; Almendral Vazquez, Ariel; Aarnes, Ingrid

Simulation of Gaussian Random Fields Using the Fast Fourier Transform (FFT)

Abrahamsen, Petter; Kvernelv, Vegard Berg; Barker, Daniel Martin L

Cohiba User Manual Version 5.6

Abrahamsen, Petter; Almendral Vazquez, Ariel; Dahle, Pål; Kvernelv, Vegard Berg; Sektnan, Audun

Fast and Accurate Approximation to Kriging Using Common Data Neighborhoods

Vigsnes, Maria; Kolbjørnsen, Odd; Hauge, Vera Louise; Dahle, Pål; Abrahamsen, Petter

Cohiba User Manual Version 5.5

Abrahamsen, Petter; Dahle, Pål; Kvernelv, Vegard Berg; Sektnan, Audun; Almendral Vazquez, Ariel

Geostatistics course

Fjellvoll, Bjørn; Abrahamsen, Petter; Hauge, Ragnar; Almendral Vazquez, Ariel

Simultaneous prediction of geological surfaces and well paths

Dahle, Pål; Abrahamsen, Petter; Almendral-Vazquez, Ariel

Geostatistics course

Abrahamsen, Petter

Efficient Neighborhoods for Kriging with Numerous Data

Vigsnes, Maria; Abrahamsen, Petter; Hauge, Vera Louise; Kolbjørnsen, Odd

A continuous model for well depths: theory and application to well repositioning

Almendral-Vazquez, Ariel; Abrahamsen, Petter; Dahle, Pål; Hermansen, Gudmund Horn

Detailed analyses for Cohiba depth conversion on the Johan Sverdrup Oil Field

Vigsnes, Maria; Abrahamsen, Petter

Surface modelling in fault blocks using COHIBA: A feasibility study

Dahle, Pål; Abrahamsen, Petter; Almendral-Vazquez, Ariel

Cohiba User Manual Version 5.3

Abrahamsen, Petter; Dahle, Pål; Hauge, Vera Louise; Hermansen, Gudmund Horn; Vigsnes, Maria; Almendral-Vazquez, Ariel

An Uncertainty Model for Fault Shape and Location

Røe, Per; Georgsen, Frode; Abrahamsen, Petter

Impact on Gross-Rock Volume Distributions from Uncertainties in Surfaces and Hydrocarbon Contacts

Abrahamsen, Petter; Dahle, Pål; Hauge, Vera Louise; Vigsnes, Maria

Using Multiple Grids in Markov Mesh Facies Modeling

Kolbjørnsen, Odd; Stien, Marita; Kjønsberg, Heidi; Fjellvoll, Bjørn; Abrahamsen, Petter

COHIBA user manual version 4.2 (SAND/10/13)

Abrahamsen, Petter; Dahle, Pål; Hermansen, Gudmund Horn; Hauge, Vera Louise; Vigsnes, Maria

SAND 2013 – Kiel

Abrahamsen, Petter

A Study on How Cap Rock Geometry Influences the CO2 Storage Capacity

Syversveen, Anne Randi; Abrahamsen, Petter; Tveranger, Jan; Nilsen, Halvor Møll; Lie, Knut-Andreas

Added Value by Fast and Robust Conditioning of Structural Surfaces to Horizontal Wells for Real-World Reservoir Models

Stenerud, Vegard Røine; Kallekleiv, Hans Ivar; Abrahamsen, Petter; Dahle, Pål; Skorstad, Arne; Viken, May Hege Aalmen

A Fast and Consistent Geostatistical Approach for Constraining 3D Structural Models to Horizontal Wells

Abrahamsen, Petter; Dahle, Pål; Skorstad, Arne

Cohiba User Manual Version 4.0

Abrahamsen, Petter; Dahle, Pål; Georgsen, Frode; Myrseth, Inge

Grenseløst – matematikk

Terningkast i oljebransjen

Abrahamsen, Petter

Methods of the Markov Mesh Multi-Grid Module in RMS

Kjønsberg, Heidi; Stien, Marita; Fjellvoll, Bjørn; Kolbjørnsen, Odd; Abrahamsen, Petter

COHIBA user manual – Version 2.3

Almendral-Vazquez, Ariel; Dahle, Pål; Abrahamsen, Petter; Georgsen, Frode; Myrseth, Inge Bjørn

Parallelization of Petrosim

Fjellvoll, Bjørn; Abrahamsen, Petter

A Consistent Geostatistical Approach for Constraining Multiple Surfaces to Horizontal Wells

Abrahamsen, Petter; Dahle, Pål; Georgsen, Frode; Skorstad, Arne

Statistics in the petroleum industry

Abrahamsen, Petter

COHIBA user manual – Version 2.0

Almendral-Vazquez, Ariel; Dahle, Pål; Abrahamsen, Petter; Skorstad, Arne; Georgsen, Frode; Myrseth, Inge

COHIBA user manual — Version 2.2

Almendral-Vazquez, Ariel; Dahle, Pål; Abrahamsen, Petter; Skorstad, Arne; Georgsen, Frode; Myrseth, Inge

Geostatistics course

Abrahamsen, Petter; Fjellvoll, Bjørn; Kolbjørnsen, Odd; Skorstad, Arne

COHIBA — Technical Documentation

Abrahamsen, Petter; Almendral-Vazquez, Ariel; Dahle, Pål; Skorstad, Arne; Georgsen, Frode

Surface based fault format in Havana

Røe, Per; Georgsen, Frode; Abrahamsen, Petter; Almendral-Vazquez, Ariel

COHIBA user manual version 1.4.1

Almendral-Vazquez, Ariel; Dahle, Pål; Abrahamsen, Petter; Skorstad, Arne; Georgsen, Frode

Reservoir Characterization Improvement by Accounting for Well Test Extracted Effective Permeabilities

Skorstad, Arne; Georgsen, Frode; Abrahamsen, Petter; Smørgrav, Eivind

Stochastic modelling of deep marine deposits by mimicking sedimentary processes

Fjellvoll, Bjørn; Abrahamsen, Petter; Hauge, Ragnar; Howell, John; Aas, Tor Even

COHIBA – Technical Documentation

Abrahamsen, Petter; Almendral-Vazquez, Ariel; Dahle, Pål; Skorstad, Arne

Modification of the Snesim Algorithm

Stien, Marita; Hauge, Ragnar; Kolbjørnsen, Odd; Abrahamsen, Petter

Process based modelling of deep marine reservoir systems

Aas, Tor Even; Hauge, Ragnar; Fjellvoll, Bjørn; Abrahamsen, Petter; Howell, John Anthony; Tucker, Steven

Process Based Stochastic Modeling of Deep Marine Reservoirs

Abrahamsen, Petter; Fjellvoll, Bjørn; Hauge, Ragnar; Howell, John Anthony; Aas, Tor Even

Modification of the SNESIM algorithm

Stien, Marita; Kolbjørnsen, Odd; Hauge, Ragnar; Abrahamsen, Petter

Stochastic modelling of deep – marine deposits

Abrahamsen, Petter; Fjellvoll, Bjørn; Hauge, Ragnar; Howell, John; Aas, Tor Even

Geostatistics course

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

COHIBA user manual

Almendral-Vazquez, Ariel; Dahle, Pål; Abrahamsen, Petter; Skorstad, Arne

Cohiba 0.2 Specification and design document

Abrahamsen, Petter; Almendral-Vazquez, Ariel; Dahle, Pål; Skorstad, Arne; Soleng, Harald Heimtun

When can shape and scale parameters of a 3D variogram be estimated?

Dahle, Pål; Kolbjørnsen, Odd; Abrahamsen, Petter

Combining Methods for Subsurface Prediction

Abrahamsen, Petter

The Cloud Transform

Kolbjørnsen, Odd; Abrahamsen, Petter

Correlation Study for inverted seismic on Oseberg Øst

Kolbjørnsen, Odd; Hauge, Ragnar; Abrahamsen, Petter

Kriging with inequality constraints

Abrahamsen, Petter; Benth, Fred Espen

Estimation of gross rock volume of filled geological structures with uncertainty measures

Abrahamsen, Petter; Hauge, Ragnar; Heggland, Knut; Mostad, Petter F.

Efficient numerical algorithms for large cokriging systems

Abrahamsen, Petter; Holden, Lars

Make decisions using stochastic models

Holden, Lars; Abrahamsen, Petter; Hektoen, Anne-Lise; Soleng, Harald Heimtun; Syversveen, Anne Randi

Why use stochastic models with time consuming simulation algorithms

Abrahamsen, Petter

Specification of new petrophysical modelling tool

Abrahamsen, Petter; Hektoen, Anne-Lise

Uncertain Cap Rock Geometry, Spill Point, and Gross Rock Volume, SPE 49286

Abrahamsen, Petter; Hauge, Ragnar; Heggland, Knut; Mostad, Petter F.

Prediction of geological subsurfaces based on Gaussian random field models

Abrahamsen, Petter

Seismic image analysis: A pilot study for investigating the relevance of using image analysis techniques on seismic data

Solberg, Anne H S; Storvik, Geir Olve; Teigland, André; Møller-Holst, Johan; Berge, Anker M.; Abrahamsen, Petter

HCPV studium for PL199b

Benth, Fred Espen; Abrahamsen, Petter; Hauge, Ragnar

Conditioning a Fluvial Model on Convolved Seismic Amplitudes

Hauge, Ragnar; Skorstad, Arne; Holden, Lars; Abrahamsen, Petter

Velocity log data in DepCon

Abrahamsen, Petter

Stochastic reservoir characterization using AVO inversion

Buland, Arild; Hansen, Olav; Abrahamsen, Petter; Hektoen, Anne-Lise

Current and future methods for conditioning of reservoir descriptions to seismic data

Abrahamsen, Petter

A geostatistical analysis of well data

Heggland, Knut; Abrahamsen, Petter

Estimation of reserves with unknown spillpoint

Abrahamsen, Petter; Hauge, Ragnar; Heggland, Knut

HCPV evaluation of Troll Olje Gas Province

Aas, Kjersti; Abrahamsen, Petter; Benth, Fred Espen

Ambiguous models for subsurface prediction

Abrahamsen, Petter

Geostatistics course

Abrahamsen, Petter

Stochastic description of geological subsurfaces

Abrahamsen, Petter

DepCon 3.0 – User guide. Adapted from on-line help system

Abrahamsen, Petter; Clemetsen, Rolf; Hatlebakk, Einar; Kristoffersen, Steinar

A location dependent linear velocity model

Abrahamsen, Petter; Hatlebakk, Einar; Hektoen, Anne-Lise

DepCon 2.1 – User Guide. Adapted from on-line help system

Abrahamsen, Petter; Clemetsen, Rolf; Egeland, Thore; Hatlebakk, Einar; Kluge, Anders; Larsen, Even Åby

HORIZON 4 – Geometrical module. User guide and theory for HORIZON_dc

Abrahamsen, Petter; Omre, Henning

DepCon. Version 2.0. User guide. Adapted from on-line help system

Abrahamsen, Petter; Clemetsen, Rolf; Egeland, Thore; Hatlebakk, Einar; Kluge, Anders; Larsen, Even Åby

New estimates of HCPV with uncertainty for SMØRBUKK SOUTH

Abrahamsen, Petter; Egeland, Thore; Lia, Oddvar; Madsen, Rune Asgeir

Decisions on development and appreciation of information

Abrahamsen, Petter; Omre, Henning

Utvinnbar ressurs som funksjon av antall dreneringspunkter – anslag med usikkerhet

Abrahamsen, Petter

Programmering i FORTRAN – retningslinjer og råd for SAND

Abrahamsen, Petter

Prediksjon av tilstedeværende hydrokarbonvolum

Abrahamsen, Petter; Halvorsen, Kjetil B.

Geometrical characteristics og Gyda reservoir – Preliminary report

Abrahamsen, Petter; Halvorsen, Kjetil B.; Omre, Henning

Romlige usikkerheter i intervallhastigheter. Uttesting av programmet HORIZON/STACK

Abrahamsen, Petter

Random walk in field theories

Abrahamsen, Petter

Simulations of hydrocarbon pore volume for Smørbukk south

Abrahamsen, Petter; Berteig, Vidar; Halvorsen, Kjetil B.; Omre, Henning