Pål Østebø Andersen

Guoqiang Yan; Pål Østebø Andersen; Yangyang Qiao; Dimitrios Georgios Hatzignatiou; Bo Feng; Thomas Kohl (2025) Investigating the impact of wellbore lateral heat transfer on the performance of high-temperature aquifer thermal energy storage system by the coupling of wellbore and reservoir simulators. I: Geoenergy Science and Engineering. ISSN 2949-8929. Volum 251. DOI: 10.1016/j.geoen.2025.213874

Jassem Abbasi; Ameya D. Jagtap; Ben Moseley; Aksel Hiorth; Pål Østebø Andersen (2025) Challenges and advancements in modeling shock fronts with physics-informed neural networks: A review and benchmarking study. I: Neurocomputing. ISSN 0925-2312. Volum 657. DOI: 10.1016/j.neucom.2025.131440

Behzad Amiri; Pål Østebø Andersen; Mojtaba Ghaedi; Xiaodong Luo (2025) Investigation of synergy between extended oil recovery and hydrogen storage in a producing field using the Norne reservoir model. I: Gas Science and Engineering. ISSN 2949-9097. Volum 143. s.205729-205729. DOI: 10.1016/j.jgsce.2025.205729

Pål Østebø Andersen; Aksel Hiorth; Jassem Abbasi (2025) Applications of Machine Learning in Modeling of Flow in Porous Media. Universitetet i Stavanger. ISBN 9788284393636.

Jassem Abbasi; Ben Moseley; Takeshi Kurotori; Ameya Jagtap; Anthony R. Kovscek; Aksel Hiorth; Pål Østebø Andersen (2025) History-Matching of imbibition flow in fractured porous media Using Physics-Informed Neural Networks (PINNs). I: Computer Methods in Applied Mechanics and Engineering. ISSN 0045-7825. Volum 437. DOI: 10.1016/j.cma.2025.117784

Pål Østebø Andersen (2024) The role of core sample geometry on counter-current spontaneous imbibition – mathematical foundation, examples and experiments accounting for realistic geometries. I: SPE Journal. ISSN 1086-055X. Volum 29. s.4282-4304. DOI: 10.2118/219776-PA

Mojtaba Ghaedi; Pål Østebø Andersen; Raoof Gholami (2024) Mixing dynamics and recovery factor during hydrogen storage in depleted gas reservoirs. I: Gas Science and Engineering. ISSN 2949-9097. Volum 128. DOI: 10.1016/j.jgsce.2024.205382

Behzad Amiri; Pål Østebø Andersen; Mojtaba Ghaedi; Xiaodong Luo (2024) Investigation of Synergy Between Extended Oil Recovery and Hydrogen Storage in a Producing Field Using the Norne Reservoir Model. I: 2024 SPE, SPE Norway Subsurface Conference, April 17, 2024, Bergen, Norway. Society of Petroleum Engineers. ISBN 9781959025344. DOI: 10.2118/218453-MS

Jassem Abbasi; Pål Østebø Andersen (2024) Application of Physics-Informed Neural Networks for Estimation of Saturation Functions from Countercurrent Spontaneous Imbibition Tests. I: SPE Journal. ISSN 1086-055X. Volum 29. s.1710-1729. DOI: 10.2118/218402-PA

Jassem Abbasi; Pål Østebø Andersen (2024) Physical activation functions (PAFs): An approach for more efficient induction of physics into physics-informed neural networks (PINNs). I: Neurocomputing. ISSN 0925-2312. Volum 608. DOI: 10.1016/j.neucom.2024.128352

Yan Guoqiang; Pål Østebø Andersen; Yangyang Qiao; Dimitrios Hatzignatiou; Fabian Nitschke; Laura Spitzmuller; Thomas Kohl (2024) Numerical modeling of temperature-reporting nanoparticle tracer for fractured geothermal reservoir characterization. I: Geoenergy Science and Engineering. ISSN 2949-8929. Volum 237. DOI: 10.1016/j.geoen.2024.212787

Xiaodong Luo; Svenn Tveit; Raoof Gholami; Pål Østebø Andersen (2024) Underground hydrogen storage (UHS) in natural storage sites: A perspective of subsurface characterization and monitoring. I: Fuel. ISSN 0016-2361. Volum 364. s.1-15. DOI: 10.1016/j.fuel.2024.131038

Yuxuan Xia; Sai Xu; Cheng Lu; Pål Østebø Andersen; Jianchao Cai (2023) Characterization and capillary pressure curve estimation of clayey-silt sediment in gas hydrate reservoirs of the South China Sea. I: Advances in Geo-Energy Research. ISSN 2207-9963. Volum 10. s.200-207. DOI: 10.46690/ager.2023.12.06

Pål Østebø Andersen (2023) Early- and Late-Time Prediction of Counter-Current Spontaneous Imbibition, Scaling Analysis and Estimation of the Capillary Diffusion Coefficient. I: Transport in Porous Media. ISSN 0169-3913. Volum 147. s.573-604. DOI: 10.1007/s11242-023-01924-6

Mojtaba Ghaedi; Pål Østebø Andersen; Raoof Gholami (2023) Hydrogen diffusion into caprock: A semi-analytical solution and a hydrogen loss criterion. I: Journal of Energy Storage. ISSN 2352-152X. Volum 64. s.1-15. DOI: 10.1016/j.est.2023.107134

Yangyang Qiao; Pål Østebø Andersen; Sadegh Ahmadpour (2023) Effective Relative Permeabilities Based on Momentum Equations with Brinkmann Terms and Viscous Coupling. I: . ., SPE EuropEC - Europe Energy Conference featured at the 84th EAGE Annual Conference & Exhibition June 5–8, 2023 Vienna, Austria. Society of Petroleum Engineers. ISBN 9781613999912. DOI: 10.2118/214388-MS

Pål Østebø Andersen (2023) Analytical Modeling of How Capillary End Effects Impact Time Scale and Transient Data During Steady State Relative Permeability Measurements. I: . ., SPE EuropEC - Europe Energy Conference featured at the 84th EAGE Annual Conference & Exhibition June 5–8, 2023 Vienna, Austria. Society of Petroleum Engineers. ISBN 9781613999912. DOI: 10.2118/214408-MS

Pål Østebø Andersen; Sander Sunde Herlofsen; Reidar Inge Korsnes; Mona Wetrhus Minde (2023) Flow-Through Experiments of Reactive Ba-Sr-Mg Brines in Mons Chalk at North Sea Reservoir Temperature at Different Injection Rates. I: . ., SPE EuropEC - Europe Energy Conference featured at the 84th EAGE Annual Conference & Exhibition June 5–8, 2023 Vienna, Austria. Society of Petroleum Engineers. ISBN 9781613999912. DOI: 10.2118/214367-MS

Pål Østebø Andersen (2023) Intercept Method for Accurately Estimating Critical Fluid Saturation and Approximate Transient Solutions with Production Time Scales in Centrifuge Core Plug Experiments. I: . ., SPE EuropEC - Europe Energy Conference featured at the 84th EAGE Annual Conference & Exhibition June 5–8, 2023 Vienna, Austria. Society of Petroleum Engineers. ISBN 9781613999912. DOI: 10.2118/214402-MS

Nan Zhang; Pål Østebø Andersen; Chunming Rong (2023) A Control Volume Material Balance Approach and Its Applications to Real-Time Flow Diagnostics. I: . ., SPE EuropEC - Europe Energy Conference featured at the 84th EAGE Annual Conference & Exhibition June 5–8, 2023 Vienna, Austria. Society of Petroleum Engineers. ISBN 9781613999912. DOI: 10.2118/214428-MS

Jassem Abbasi; Pål Østebø Andersen (2023) Simulation and Prediction of Countercurrent Spontaneous Imbibition at Early and Late Times Using Physics-Informed Neural Networks. I: . ., SPE EuropEC - Europe Energy Conference featured at the 84th EAGE Annual Conference & Exhibition June 5–8, 2023 Vienna, Austria. Society of Petroleum Engineers. ISBN 9781613999912. DOI: 10.2118/214433-MS

Xiaodong Luo; Svenn Tveit; Raoof Gholami; Pål Østebø Andersen (2023) Ensemble-Based Subsurface Characterization for Underground Hydrogen Storage. I: Leonardo Azevedo; Jo Eidsvik, Fifth EAGE Conference on Petroleum Geostatistics. European Association of Geoscientists and Engineers (EAGE). ISBN 9780791885956. DOI: 10.3997/2214-4609.202335033

Pål Østebø Andersen (2023) Insights from Boltzmann transformation in solving 1D counter-current spontaneous imbibition at early and late time. I: Advances in Geo-Energy Research. ISSN 2207-9963. Volum 7. s.164-175. DOI: 10.46690/ager.2023.03.03

Mojtaba Ghaedi; Pål Østebø Andersen; Raoof Gholami (2023) Maximum column height and optimum storage depth for geological storage of hydrogen. I: International Journal of Hydrogen Energy. ISSN 0360-3199. Volum 50. DOI: 10.1016/j.ijhydene.2023.07.071

Yangyang Qiao; Pål Østebø Andersen (2023) Effective Relative Permeabilities Based on Momentum Equations with Brinkman Terms and Viscous Coupling. I: SPE Journal. ISSN 1086-055X. Volum 29. s.2318-2339. DOI: 10.2118/214388-PA

Wendpanga Jean Donald Minougou; Raoof Gholami; Pål Østebø Andersen (2023) Underground hydrogen storage in caverns: Challenges of impure salt structures. I: Earth-Science Reviews. ISSN 0012-8252. Volum 247. s.1-21. DOI: 10.1016/j.earscirev.2023.104599

Pål Østebø Andersen (2023) Intercept Method for Accurately Estimating Residual Fluid Saturation and Approximate Transient Solutions with Production Time Scales in Centrifuge Core Plug Experiments. I: SPE Journal. ISSN 1086-055X. Volum 28. s.3025-3045. DOI: 10.2118/214402-PA

Jassem Abbasi; Pål Østebø Andersen (2023) Simulation and Prediction of Countercurrent Spontaneous Imbibition at Early and Late Time Using Physics-Informed Neural Networks. I: Energy & Fuels. ISSN 0887-0624. Volum 37. DOI: 10.1021/acs.energyfuels.3c02271

Pål Østebø Andersen; Sander Sunde Herlofsen; Reidar Inge Korsnes; Mona Wetrhus Minde (2023) Flow-Through Experiments of Reactive Ba-Sr- Mg Brines in Mons Chalk at North Sea Reservoir Temperature at Different Injection Rates. I: SPE Reservoir Evaluation and Engineering. ISSN 1094-6470. Volum 26. s.1144-1158. DOI: 10.2118/214367-PA

Jassem Abbasi; Jiuyu Zhao; Sameer Ahmed; Liang Jiao; Pål Østebø Andersen; Jianchao Cai (2022) Prediction of permeability of tight sandstones from mercury injection capillary pressure tests assisted by a machine-learning approach. I: Capillarity. ISSN 2709-2119. Volum 5. s.91-104. DOI: 10.46690/capi.2022.05.02

Jassem Abbasi; Pål Østebø Andersen (2022) Theoretical comparison of two setups for capillary pressure measurement by centrifuge. I: Heliyon. Online ISSN 2405-8440. Volum 8. DOI: 10.1016/j.heliyon.2022.e10656

Pål Østebø Andersen; Jan Inge Nygård; Aizhan Kengessova (2022) Prediction of Oil Recovery Factor in Stratified Reservoirs after Immiscible Water-Alternating-Gas Injection based on PSO-, GSA-, GWO-, and GA-LSSVM. I: Energies. Online ISSN 1996-1073. Volum 15. DOI: 10.3390/en15020656

Pål Østebø Andersen; Liva Salomonsen; Dagfinn Søndenaa Sleveland (2022) Characteristic Forced and Spontaneous Imbibition Behavior in Strongly Water-Wet Sandstones Based on Experiments and Simulation. I: Energies. Online ISSN 1996-1073. Volum 15. DOI: 10.3390/en15103531

Pål Østebø Andersen; Reidar Inge Korsnes; Andre Tvedt Olsen; Erik Bukkholm (2022) Reaction kinetics determined from core flooding and steady state principles for Stevns Klint and Kansas chalk injected with MgCl2 brine at reservoir temperature. I: SPE Journal. ISSN 1086-055X. DOI: 10.2118/209380-MS

Pål Østebø Andersen (2022) Comparison of intercept methods for correction of steady-state relative permeability experiments for capillary end effects. I: SPE Reservoir Evaluation and Engineering. ISSN 1094-6470. Volum 25. s.882-899. DOI: 10.2118/209797-PA

Pål Østebø Andersen (2021) Steady-State Gas Flow from Tight Shale Matrix Subject to Water Blocking. I: SPE Journal. ISSN 1086-055X. DOI: 10.2118/202337-PA

Erfan Abolghasemi; Pål Østebø Andersen (2021) The Influence of Adsorption Layer Thickness and Pore Geometry on Gas Production from Tight Compressible Shales. I: Advances in Geo-Energy Research. ISSN 2207-9963. Volum 6. DOI: 10.46690/ager.2022.01.02

Pål Østebø Andersen (2021) Analytical modeling and correction of steady state relative permeability experiments with capillary end effects – An improved intercept method, scaling and general capillary numbers. I: Oil & Gas Science and Technology. ISSN 1294-4475. Volum 76. DOI: 10.2516/ogst/2021045

Pål Ø. Andersen (2021) A semi-analytical solution for shale gas production from compressible matrix including scaling of gas recovery. I: Journal of Natural Gas Science and Engineering. ISSN 1875-5100. Volum 95. DOI: 10.1016/j.jngse.2021.104227

Sergei Tantciura; Yangyang Qiao; Pål Ø. Andersen (2021) Simulation of Counter-Current Spontaneous Imbibition Based on Momentum Equations with Viscous Coupling, Brinkman Terms and Compressible Fluids. I: Transport in Porous Media. ISSN 0169-3913. DOI: 10.1007/s11242-021-01709-9

Emanuela Iedidia Kallesten; Udo Zimmermann; Merete Vadla Madland; Silvana R.A. Bertolino; Edvard Omdal; Pål Østebø Andersen (2021) Mineralogy and geochemistry of reservoir and non-reservoir chalk from the Norwegian continental shelf. I: Journal of Petroleum Science and Engineering. ISSN 0920-4105. Volum 205. DOI: 10.1016/j.petrol.2021.108914

Raoof Gholami; Arshad Raza; Pål Østebø Andersen; Alejandro Escalona Varela; Nestor Cardozo; Dora Marin; Mohammad Saramdivaleh (2021) Long-Term Integrity of Shaly Seals in CO2 Geo-Sequestration Sites: An Experimental Study. I: International Journal of Greenhouse Gas Control. ISSN 1750-5836. Volum 109. s.1-9. DOI: 10.1016/j.ijggc.2021.103370

Emanuela Iedidia Kallesten; Pål Østebø Andersen; Dhruvit Satishchandra Berawala; Reidar Inge Korsnes; Merete Vadla Madland; Edvard Omdal; Udo Zimmermann (2020) Modeling of Permeability and Strain Evolution in Chemical Creep Compaction Experiments with Fractured and Unfractured Chalk Cores Conducted at Reservoir Conditions. I: SPE Journal. ISSN 1086-055X. DOI: 10.2118/197371-PA

Jan Inge Nygård; Pål Østebø Andersen (2020) Simulation of immiscible water-alternating-gas injection in a stratified reservoir : performance characterization using a new dimensionless number. I: SPE Journal. ISSN 1086-055X. Volum 26. DOI: 10.2118/200479-PA

Amin Bemani; Alireza Baghban; Amir H. Mohammadi; Pål Østebø Andersen (2020) Estimation of Adsorption Capacity of CO2, CH4, and their Binary Mixtures in Quidam Shale using LSSVM: Application in CO2 Enhanced Shale Gas Recovery and CO2 Storage. I: Journal of Natural Gas Science and Engineering. ISSN 1875-5100. Volum 76. DOI: 10.1016/j.jngse.2020.103204

Menad Nait Amar; Mohammed Abdelfatah Ghriga; Hocine Ouaer; Mohamed el Amine Ben Seghier; Binh Thai Pham; Pål Østebø Andersen (2020) Modeling Viscosity of CO2 at High Temperature and Pressure Conditions. I: Journal of Natural Gas Science and Engineering. ISSN 1875-5100. Volum 77. DOI: 10.1016/j.jngse.2020.103271

Emanuela Iedidia Kallesten; Yosra Cherif; Merete Vadla Madland; Reidar Inge Korsnes; Edvard Omdal; Pål Østebø Andersen; Udo Zimmermann (2020) Validation study of water weakening research from outcrop chalks performed on Eldfisk reservoir cores. I: Journal of Petroleum Science and Engineering. ISSN 0920-4105. Volum 198. DOI: 10.1016/j.petrol.2020.108164

Erfan Abolghasemi; Pål Østebø Andersen (2020) Influence of Adsorption Layer Thickness and Pore Geometry in Tight Compressible Shales Subject to Gas Production. I: n. n., SPE Asia Pacific Oil & Gas Conference and Exhibition 2020, 17-19 November, Virtual. Society of Petroleum Engineers. ISBN 9781613997093. DOI: 10.2118/202309-MS

Pål Østebø Andersen; Vladislav Volkov (2020) Modelling the Impacts of Water Blocking During Gas Production from Compressible Shales. I: n. n., SPE Asia Pacific Oil & Gas Conference and Exhibition 2020, 17-19 November, Virtual. Society of Petroleum Engineers. ISBN 9781613997093. DOI: 10.2118/202337-MS

Dhruvit Satishchandra Berawala; Pål Østebø Andersen (2020) Fracture-Matrix Modelling of CO Enhanced Shale Gas Recovery in Compressible Shale. I: n. n., SPE Asia Pacific Oil & Gas Conference and Exhibition 2020, 17-19 November, Virtual. Society of Petroleum Engineers. ISBN 9781613997093.

Liang Jiao; Pål Østebø Andersen; Junping Zhou; Jianchao Cai (2020) Applications of mercury intrusion capillary pressure for pore structures: A review. I: Capillarity. ISSN 2709-2119. DOI: 10.46690/capi.2020.04.02

Pål Østebø Andersen (2020) Early- and Late-Time Analytical Solutions for Cocurrent Spontaneous Imbibition and Generalized Scaling. I: SPE Journal. ISSN 1086-055X. DOI: 10.2118/200593-PA

Dhruvit Satishchandra Berawala; Pål Østebø Andersen (2020) Evaluation of multicomponent adsorption kinetics for carbon dioxide enhanced gas recovery from tight shales. I: SPE Reservoir Evaluation and Engineering. ISSN 1094-6470. Volum 23. s.1060-1076. DOI: 10.2118/195536-PA

Pål Østebø Andersen; Yingfang Zhou (2020) Steady State Relative Permeability Experiments with Capillary End Effects: Analytical Solutions including Derivation of the Intercept Method. I: Journal of Petroleum Science and Engineering. ISSN 0920-4105. Volum 192. DOI: 10.1016/j.petrol.2020.107249

Pål Østebø Andersen; Sameer Ahmed (2020) Simulation study of wettability alteration enhanced oil recovery during co-current spontaneous imbibition. I: Journal of Petroleum Science and Engineering. ISSN 0920-4105. Volum 196. DOI: 10.1016/j.petrol.2020.107954

Dhruvit Satishchandra Berawala; Pål Østebø Andersen (2020) Numerical Modelling of Gas Production and CO2 Injection in Tight Shale Reservoirs for Enhanced Gas Recovery. Universitetet i Stavanger. ISBN 9788276449686.

Pål Østebø Andersen; Bergit Brattekås; Yingfang Zhou; Paul Henry Nadeau; Anders Nermoen; Zhixin Yu; Ingebret Fjelde; Eric H Oelkers (2020) Carbon capture utilization and storage (CCUS) in tight gas and oil reservoirs. I: Journal of Natural Gas Science and Engineering. ISSN 1875-5100. DOI: 10.1016/j.jngse.2020.103458

Dag Chun Standnes; Pål Østebø Andersen; Paul Georg Papatzacos; Svein Magne Skjæveland (2020) Interpretation of 1-D Counter-Current Spontaneous Imbibition Processes Using Microscopic Diffusion Theory and a Modified Buckley – Leverett Approach. I: Energy & Fuels. ISSN 0887-0624. Volum 34. s.5868-5883. DOI: 10.1021/acs.energyfuels.0c01109

Pål Østebø Andersen (2020) Early and Late Time Analytical Solutions for Co-Current SpontaneousImbibition and Generalized Scaling. I: SPE Journal. ISSN 1086-055X. Volum 26. s.220-240. DOI: 10.2118/200593-PA

Emanuela Iedidia Kallesten; Pål Østebø Andersen; Merete Vadla Madland; Reidar Inge Korsnes; Edvard Omdal; Udo Zimmermann (2020) Permeability evolution of shear failing chalk cores under thermochemical influence. I: ACS Omega. Online ISSN 2470-1343. Volum 5. s.9185-9195. DOI: 10.1021/acsomega.9b04470

Dhruvit Satishchandra Berawala; Pål Østebø Andersen (2020) Numerical Investigation of Non-Darcy Flow Regime Transitions in Shale Gas Production. I: Journal of Petroleum Science and Engineering. ISSN 0920-4105. Volum 190. DOI: 10.1016/j.petrol.2020.107114

Pål Østebø Andersen; Kenny Walrond; Citra Kirana Lestari Nainggolan; Eliana Vasquez Pulido; Reza Askarinezhad (2019) Simulation interpretation of capillary pressure and relative permeability from waterflooding laboratory experiments in preferentially oil-wet porous media. I: SPE Reservoir Evaluation and Engineering. ISSN 1094-6470. Volum 23. DOI: 10.2118/197065-PA

Pål Østebø Andersen; Arild Lohne; Arne Stavland; Aksel Hiorth; Bergit Brattekås (2019) Core scale modeling of polymer gel dehydration by spontaneous imbibition. I: SPE Journal. ISSN 1086-055X. Volum 24. s.1201-1219. DOI: 10.2118/190189-PA

Dhruvit Satishchandra Berawala; Pål Østebø Andersen; Jann Rune Ursin (2019) Controlling Parameters During Continuum Flow in Shale-Gas Production: A Fracture/Matrix-Modeling Approach. I: SPE Journal. ISSN 1086-055X. Volum 24. s.1378-1394. DOI: 10.2118/190843-PA

Isaac Klewiah; Dhruvit Satishchandra Berawala; Hans Christian Alexander Walker; Pål Østebø Andersen; Paul Henry Nadeau (2019) Review of Experimental Sorption Studies of CO2 and CH4 in Shales. I: Journal of Natural Gas Science and Engineering. ISSN 1875-5100. Volum 73. DOI: 10.1016/j.jngse.2019.103045

Pål Østebø Andersen; Yangyang Qiao; Dag Chun Standnes; Steinar Evje (2019) Cocurrent Spontaneous Imbibition in Porous Media with the Dynamics of Viscous Coupling and Capillary Backpressure. I: SPE Journal. ISSN 1086-055X. Volum 24. s.158-177. DOI: 10.2118/190267-PA

Madhan Nur Agista; Pål Østebø Andersen; Zhixin Yu (2019) Modelling nanofluid injection in porous media. I: Journal of Petroleum Science and Engineering. ISSN 0920-4105. Volum 176. s.836-849. DOI: 10.1016/j.petrol.2019.02.006

Dhruvit Satishchandra Berawala; Pål Østebø Andersen (2019) Evaluation of Multicomponent Adsorption Kinetics for CO2 Enhanced Gas Recovery from Tight Shales. I: SPE Society of Petroleum Engineers, SPE Europec featured at 81st EAGE Conference and Exhibition. Society of Petroleum Engineers. ISBN 9781613996614. DOI: 10.2118/195536-MS

Pål Østebø Andersen; Dhruvit Satishchandra Berawala (2019) Modeling of creep-compacting outcrop chalks injected with Ca-Mg-Na-Cl brines at reservoir conditions. I: SPE Journal. ISSN 1086-055X. Volum 24. s.2889-2910. DOI: 10.2118/192018-PA

Pål Østebø Andersen; Kenny Walrond; Citra Kirana Lestari Nainggolan; Eliana Vasquez Pulido; Reza Askarinezhad (2019) Simulation Interpretation of Capillary Pressure and Relative Permeability from Waterflooding Laboratory Experiments in Preferentially Oil-wet Porous Media. I: Janos Szelenyi; Panteha Ghahri; A. Muggeridge; L.M. Surguchev; Mariann Dalland; Merete Vadla Madland; Inna Edelman; Diederik van Batenburg; Øivind Fevang; S Bekri; William R. Rossen; Sunil Kokal; Emma Chapman; Franco Masserano; Mark Holtz; Helber Cubillos; Bernd Leonhardt; D Morel, IOR 2019 – 20th European Symposium on Improved Oil Recovery. European Association of Geoscientists and Engineers (EAGE). ISBN 9789462822788. DOI: 10.2118/197065-pa

Emanuela Iedidia Kallesten; Merete Vadla Madland; Reidar Inge Korsnes; Edvard Omdal; Udo Zimmermann; Pål Østebø Andersen (2019) Permeability Evolution of Shear Failing Chalk Cores under Thermochemical Influence. I: William R. Rossen; L.M. Surguchev; Sunil Kokal; Mariann Dalland; Mark Holtz; Diederik van Batenburg; D Morel; Inna Edelman; Øivind Fevang; Panteha Ghahri; Merete Vadla Madland; Emma Chapman; Bernd Leonhardt; Janos Szelenyi; Helber Cubillos; S Bekri; Franco Masserano; A. Muggeridge, IOR 2019 – 20th European Symposium on Improved Oil Recovery. European Association of Geoscientists and Engineers (EAGE). ISBN 9789462822788. DOI: 10.3997/2214-4609.201900073

Pål Østebø Andersen; Tore Lyngås Føyen; Jaldeepsinh Samantsinh Chauhan; Bergit Brattekås (2019) Interpretation of Induction Time and Nonstandard Spontaneous Imbibition Trends Utilizing In-situ Measurements – Identification of No-Flow Regions and Wettability Alteration. I: Panteha Ghahri; Sunil Kokal; Franco Masserano; Janos Szelenyi; Diederik van Batenburg; A. Muggeridge; S Bekri; Helber Cubillos; Emma Chapman; Merete Vadla Madland; L.M. Surguchev; Øivind Fevang; Mariann Dalland; Mark Holtz; D Morel; William R. Rossen; Inna Edelman; Bernd Leonhardt, IOR 2019 – 20th European Symposium on Improved Oil Recovery. European Association of Geoscientists and Engineers (EAGE). ISBN 9789462822788. DOI: 10.3997/2214-4609.201900129

Jan Inge Nygård; Pål Østebø Andersen (2019) Simulation of Immiscible WAG Injection in a Stratified Reservoir - Characterization of WAG Performance. I: D Morel; Mark Holtz; L.M. Surguchev; A. Muggeridge; S Bekri; Bernd Leonhardt; Merete Vadla Madland; Mariann Dalland; Inna Edelman; Emma Chapman; Helber Cubillos; Øivind Fevang; Panteha Ghahri; Franco Masserano; Diederik van Batenburg; William R. Rossen; Janos Szelenyi; Sunil Kokal, IOR 2019 – 20th European Symposium on Improved Oil Recovery. European Association of Geoscientists and Engineers (EAGE). ISBN 9789462822788.

Pål Østebø Andersen; Eirik Kjos Nesvik; Dag Chun Standnes (2019) Analytical solutions for forced and spontaneous imbibition accounting for viscous coupling. I: Journal of Petroleum Science and Engineering. ISSN 0920-4105. Volum 186. DOI: 10.1016/j.petrol.2019.106717

Hocine Ouaer; Amir Hossein Hosseini; Menad Nait Amar; Mohamed El Amine Ben Seghier; Mohammed Abdelfatah Ghriga; Narjes Nabipour; Pål Østebø Andersen; Amir Mosavi; Shahaboddin Shamshirband (2019) Rigorous Connectionist Models to Predict Carbon Dioxide Solubility in Various Ionic Liquids. I: Applied Sciences. Online ISSN 2076-3417. Volum 10. DOI: 10.3390/app10010304

Pål Østebø Andersen (2019) Capillary Pressure Effects on Estimating the Enhanced-Oil-Recovery Potential During Low-Salinity and Smart Waterflooding. I: SPE Journal. ISSN 1086-055X. Volum 25. DOI: 10.2118/191974-PA

Emanuela Iedidia Kallesten; Pål Østebø Andersen; Dhruvit Satishchandra Berawala; Reidar Inge Korsnes; Merete Vadla Madland; Edvard Omdal; Udo Zimmermann (2019) Modelling of Permeability and Strain Evolution in Chemical Creep Compaction Experiments with Fractured and Unfractured Chalk Cores Conducted at Reservoir Conditions. I: , SPE, Abu Dhabi International Petroleum Exhibition & Conference, 11-14 November, Abu Dhabi, UAE. Society of Petroleum Engineers. ISBN 9781613996720. DOI: 10.2118/197371-MS

Dhruvit Satishchandra Berawala; Pål Østebø Andersen (2019) Numerical Investigation of Non-Darcy Flow Regime Transitions in Shale Gas Production. I: , SPE, Abu Dhabi International Petroleum Exhibition & Conference, 11-14 November, Abu Dhabi, UAE. Society of Petroleum Engineers. ISBN 9781613996720. DOI: 10.2118/197133-MS

Pål Østebø Andersen (2019) A simplified modelling approach for petroleum recovery by spontaneous imbibition in naturally fractured reservoirs. I: Journal of Natural Gas Science and Engineering. ISSN 1875-5100. Volum 63. s.95-114. DOI: 10.1016/j.jngse.2019.01.012

Yangyang Qiao; Pål Østebø Andersen; Steinar Evje; Dag Chun Standnes (2018) A mixture theory approach to model co- and counter-current two-phase flow in porous media accounting for viscous coupling. I: Advances in Water Resources. ISSN 0309-1708. Volum 112. s.170-188. DOI: 10.1016/j.advwatres.2017.12.016

Pål Østebø Andersen; Arild Lohne; Arne Stavland; Aksel Hiorth; Bergit Brattekås (2018) Core Scale Simulation of Spontaneous Solvent Imbibition from HPAM Gel. I: Mark Holtz, SPE Improved Oil Recovery Conference. Society of Petroleum Engineers. ISBN 9781613995709. DOI: 10.2118/190189-ms

Pål Østebø Andersen; Yangyang Qiao; Dag Chun Standnes; Steinar Evje (2018) Co-current Spontaneous Imbibition in Porous Media with the Dynamics of Viscous Coupling and Capillary Back Pressure. I: Mark Holtz, SPE Improved Oil Recovery Conference. Society of Petroleum Engineers. ISBN 9781613995709. DOI: 10.2118/190267-ms

Dhruvit Satishchandra Berawala; Pål Østebø Andersen; Jann Rune Ursin (2018) Controlling parameters for shale gas production into a well-induced fracture: A fracture-matrix modelling approach. I: . SPE, SPE Europec featured at 80th EAGE Conference and Exhibition, 11-14 June, Copenhagen, Denmark. Society of Petroleum Engineers. ISBN 9781613996065. DOI: 10.2118/190843-MS

Pål Østebø Andersen; Bergit Brattekås; Oddbjørn Mathias Nødland; Arild Lohne; Tore Lyngås Føyen; Martin Fernø (2018) Darcy-scale simulation of boundary-condition effects during capillary-dominated flow in high-permeability systems. I: SPE Reservoir Evaluation and Engineering. ISSN 1094-6470. Volum 22. s.673-691. DOI: 10.2118/188625-PA

Mona Wetrhus Minde; Wenxia Wang; Merete Vadla Madland; Udo Zimmermann; Reidar Inge Korsnes; Silvana R.A. Bertolino; Pål Østebø Andersen (2018) Temperature effects on rock engineering properties and rock-fluid chemistry in opal-CT-bearing chalk. I: Journal of Petroleum Science and Engineering. ISSN 0920-4105. Volum 169. s.454-470. DOI: 10.1016/j.petrol.2018.05.072

Pål Østebø Andersen; Dhruvit Satishchandra Berawala (2018) Analytical and Numerical Solutions for Interpretation of Chemical Compaction in Chalk. I: Society of Petroleum Engineers SPE, SPE Asia Pacific Oil & Gas Conference and Exhibition, 2018. Society of Petroleum Engineers. ISBN 9781613995952. DOI: 10.2118/192018-MS

Pål Østebø Andersen (2018) Capillary Pressure Effects on Estimating the EOR Potential during Low Salinity and Smart Water Flooding. I: Society of Petroleum Engineers SPE, SPE Asia Pacific Oil & Gas Conference and Exhibition, 2018. Society of Petroleum Engineers. ISBN 9781613995952. DOI: 10.2118/191974-ms

Pål Østebø Andersen; Yangyang Qiao; Steinar Evje; Dag Chun Standnes (2017) Improved Modelling of Gravity-Aided Spontaneous Imbibition Using Momentum-Equation-Based Relative Permeabilities. I: Ukjent Ukjent, 19th European Symposium on Improved Oil Recovery/IOR Norway 2017. European Association of Geoscientists and Engineers (EAGE). ISBN 9789462822092. DOI: 10.3997/2214-4609.201700303

Pål Østebø Andersen; Svein Magne Skjæveland; Dag Chun Standnes (2017) An Analytical Model for Analysis of Centrifuge Capillary Pressure Experiments. I: Ukjent Ukjent, 19th European Symposium on Improved Oil Recovery/IOR Norway 2017. European Association of Geoscientists and Engineers (EAGE). ISBN 9789462822092. DOI: 10.3997/2214-4609.201700304

Pål Østebø Andersen; Wenxia Wang; Merete Vadla Madland; Udo Zimmermann; Reidar Inge Korsnes; Silvana R.A. Bertolino; Mona Wetrhus Minde; Bernhard Schulz; Sabine Gilbricht (2017) Comparative study of five outcrop chalks flooded at reservoir conditions: chemo-mechanical behaviour and profiles of compositional alteration. I: Transport in Porous Media. ISSN 0169-3913. Volum 121. s.135-181. DOI: 10.1007/s11242-017-0953-6

Dag Chun Standnes; Pål Østebø Andersen (2017) Analysis of the Impact of Fluid Viscosities on the Rate of Counter-Current Spontaneous Imbibition. I: Energy & Fuels. ISSN 0887-0624. Volum 31. s.6928-6940. DOI: 10.1021/acs.energyfuels.7b00863

Pål Østebø Andersen; Svein Magne Skjæveland; Dag Chun Standnes (2017) An Analytical Model for Analysis of Capillary Pressure Measurements by Centrifuge. I: Petrophysics. ISSN 1529-9074. Volum 58. s.366-375.

Dag Chun Standnes; Steinar Evje; Pål Østebø Andersen (2017) A Novel Relative Permeability Model Based on Mixture Theory Approach Accounting for Solid-fluid and Fluid-fluid Interactions. I: Transport in Porous Media. ISSN 0169-3913. Volum 119. s.707-738. DOI: 10.1007/s11242-017-0907-z

Pål Østebø Andersen; Dag Chun Standnes; Svein Magne Skjæveland (2017) Waterflooding Oil-Saturated Core Samples - Analytical Solutions for Steady-State Capillary End Effects and Correction of Residual Saturation. I: Journal of Petroleum Science and Engineering. ISSN 0920-4105. Volum 157. s.364-379. DOI: 10.1016/j.petrol.2017.07.027

Pål Østebø Andersen; Steinar Evje; Aksel Hiorth (2017) Modeling of spontaneous-imbibition experiments with porous disk-on the validity of exponential prediction. I: SPE Journal. ISSN 1086-055X. Volum 22. s.1326-1337. DOI: 10.2118/186094-PA

Pål Østebø Andersen; Svein Magne Skjæveland; Dag Chun Standnes (2017) A Novel Bounded Capillary Pressure Correlation with Application to Both Mixed and Strongly Wetted Porous Media. I: Ukjent Ukjent, SPE Abu Dhabi International Petroleum Exhibition & Conference. Society of Petroleum Engineers. ISBN 9781613995631. DOI: 10.2118/188291-ms

Pål Østebø Andersen; Bergit Brattekås; Kenny Walrond; Daisy Siti Aisyah; Oddbjørn Mathias Nødland; Arild Lohne; Håkon Kyte Haugland; Tore L. Føyen; Martin Fernø (2017) Numerical Interpretation of Laboratory Spontaneous Imbibition - Incorporation of the Capillary Back Pressure and How it Affects SCAL. I: Ukjent Ukjent, SPE Abu Dhabi International Petroleum Exhibition & Conference. Society of Petroleum Engineers. ISBN 9781613995631. DOI: 10.2118/188625-MS

Pål Østebø Andersen; Steinar Evje (2016) A Model for Reactive Flow in Fractured Porous Media. I: Chemical Engineering Science (CES). ISSN 0009-2509. Volum 145. s.196-213. DOI: 10.1016/j.ces.2016.02.008

Pål Østebø Andersen; Steinar Evje; Rajib Ahsan; Aksel Hiorth (2015) An Analytical Model for Imbibition Experiments with Porous Plate. I: 2015 EAGE, IMPROVED OIL RECOVERY. EUROPEAN SYMPOSIUM. 18TH 2015. (2 VOLS) OVERCOMING THE BARRIERS. European Association of Geoscientists and Engineers ( EAGE ). ISBN 9781510802193.

Pål Østebø Andersen; Steinar Evje; Hans Kleppe; Svein Magne Skjæveland (2015) A Model for Wettability Alteration in Fractured Reservoirs. I: SPE Journal. ISSN 1086-055X. Volum 20. s.1261-1275. DOI: 10.2118/174555-PA

Pål Østebø Andersen; Steinar Evje; Hans Kleppe (2014) A model for spontaneous imbibition as a mechanism for oil recovery in fractured reservoirs. I: Transport in Porous Media. ISSN 0169-3913. Volum 101. s.299-331. DOI: 10.1007/s11242-013-0246-7

Pål Østebø Andersen; Steinar Evje (2014) Mathematical models for the combined effect of transport, water-rock chemistry, and oil-water flow mechanisms. Universitetet i Stavanger.

Pål Østebø Andersen; Rajib Ahsan; Steinar Evje; Bratteli Fred; Merete Vadla Madland; Aksel Hiorth (2013) A Model for Brine-Dependent Spontaneous Imbibition Experiments with Porous Plate. I: Unknown Unknown, 75th EAGE Conference & Exhibition incorporating SPE EUROPEC 2013, June 10 - 13, 2013, London, United Kingdom. Society of Petroleum Engineers. ISBN 9781613992548. DOI: 10.2118/164901-ms

Pål Østebø Andersen; Steinar Evje; Hans Kleppe; Svein Magne Skjæveland (2013) A Model for Wettability Alteration in Fractured Reservoirs. I: I. Petroleum Technology Conf. IPTC, International Petroleum Technology Conference, 26-28 March, Beijing, China. Society of Petroleum Engineers. ISBN 9781613992180. DOI: 10.2523/iptc-16957-ms

Pål Østebø Andersen; Steinar Evje; Merete Vadla Madland; Aksel Hiorth (2012) A geochemical model for interpretation of chalk core flooding experiments. I: Chemical Engineering Science (CES). ISSN 0009-2509. Volum 84. s.218-241. DOI: 10.1016/j.ces.2012.08.038

Pål Østebø Andersen; Steinar Evje (2012) Two-phase flow in a fissurized-porus media. I: . ., NUMERICAL ANALYSIS AND APPLIED MATHEMATICS ICNAAM 2012: International Conference of Numerical Analysis and Applied Mathematics 19–25 September 2012 Kos, Greece. AIP Publishing (American Institute of Physics). ISBN 9780735410916. DOI: 10.1063/1.4756663

Darlington Ekene Ekemezie; Raoof Gholami; Pål Østebø Andersen; Mojtaba Ghaedi (2023) Hydrogen Diffusion through Caprock: On the Effect of Hydrocarbon Gas Composition. Universitetet i Stavanger.

Johan Helgø; Pål Østebø Andersen; Solveig Riisøen (2022) Reservoir simulation of measurements with an innovative tool to detect oil-water-contact. Universitetet i Stavanger.

Sander Herlofsen; Pål Østebø Andersen; Reidar Inge Korsnes (2022) Reactive flow with Sr-Ba-Mg brines in outcropped Mons chalk at reservoir conditions – experimental study. Universitetet i Stavanger.

Ove Andre Kvandal; Pål Østebø Andersen; Carita Augustsson (2022) Automatic evaluation of wavelength spectra from quartz by means of machine learning. Universitetet i Stavanger.

Joachim Worum; Pål Østebø Andersen (2021) Causal Inference of Interwell Connectivity. Universitetet i Stavanger.

Miranda Skjeldal; Pål Østebø Andersen; Carita Augustsson (2021) Machine Learning techniques for Prediction of Rock Properties from Reservoir Well Logs. Universitetet i Stavanger.

Jan Stychlerz; Pål Østebø Andersen (2021) Evaluation of asphaltene deposition during CO2 enhanced oil recovery. Universitetet i Stavanger.

Stefan Ceklic; Pål Østebø Andersen (2020) Analytical solution for shale gas production. Universitetet i Stavanger.

Temidayo Boboye; Pål Østebø Andersen (2020) An Improved Approach in Estimating Gas Permeability for Tight Reservoir Rocks.. Universitetet i Stavanger.

Christine Oswald; Pål Østebø Andersen; Eirik Jenssen (2020) Residual Gas Impact on Water Influx and Recovery Potential. Universitetet i Stavanger.

Baber Rafique; Pål Østebø Andersen; Idriss El-Thalji; Jawad Raza (2020) Prepare a Road Map for the Application of Machine Learning in Condition-Based Maintenance. Universitetet i Stavanger.

Erfan Abolghasemi; Pål Østebø Andersen; Dhruvit Satishchandra Berawala (2020) Influence of Adsorption Layer Thickness in Tight Compressible Shales subject to Gas Production. Universitetet i Stavanger.

Zongqiang Luo; Pål Østebø Andersen; Carita Augustsson (2020) A LSSVR-PSO machine learning model for the estimation of reservoir porosity from petrophysical well logs. Universitetet i Stavanger.

Armin Shahab; Pål Østebø Andersen; Dhruvit Satishchandra Berawala (2020) CO2 Injection in Shales for CCUS. Universitetet i Stavanger.

Aizhan Kengessova; Pål Østebø Andersen; Jan Inge Nygård; Dag Chun Standnes (2020) Prediction efficiency of immiscible Water Alternating Gas Performance by LSSVM-PSO algorithms. Universitetet i Stavanger.

Magnus Raaholt; Pål Østebø Andersen; Merete Vadla Madland; Reidar Inge Korsnes (2019) Reactive Flow Simulation. Universitetet i Stavanger.

Eirik Kjos Nesvik; Pål Østebø Andersen; Dag Chun Standnes (2019) Analytical solutions for forced and spontaneous imbibition accounting for viscous coupling. Universitetet i Stavanger.

Jan Inge Nygård; Pål Østebø Andersen; Ying Guo; Arild Lohne; Lars Kolbotn (2019) Simulation of Water Management Processes. Universitetet i Stavanger.

Cathrine Bergo; Pål Østebø Andersen; Joseph Dowley (2019) Reservoir Simulation of Chemical Inflow Tracers in Horizontal Wells. Universitetet i Stavanger.

Julio Santiago; Alexander Shapiro; Dag Chun Standnes; Pål Østebø Andersen (2019) TBD. Danmarks Tekniske Universitet, DTU.

Baber Rafique; Dhruvit Satishchandra Berawala; Pål Østebø Andersen (2019) Modelling of Shale Gas Production by Using Data-Driven Analytics and Machine Learning. Universitetet i Stavanger.

Temidayo Boboye; Dhruvit Satishchandra Berawala; Pål Østebø Andersen (2019) Numerical Evaluation of Darcy to Non-Darcy Flow Transition in Shale Gas Production. Universitetet i Stavanger.

Sameer Ahmed; Pål Østebø Andersen; Dag Chun Standnes (2019) INFLUENCE OF VISCOUS COUPLING ON COUNTER-CURRENT SPONTANEOUS IMBIBITION. Universitetet i Stavanger.

Yosra Cherif; Merete Vadla Madland; Reidar Inge Korsnes; Edvard Omdal; Pål Østebø Andersen (2019) Water flooding of Eldfisk reservoir cores. Universitetet i Stavanger.

Katherine Esquivel; Pål Østebø Andersen (2018) Interpretation of reactive flow in chalk flooded with MgCl2 - A simulation study. Universitetet i Stavanger.

Nataliya Linevyuk; Pål Østebø Andersen (2018) Simulation study of co-current spontaneous imbibition. Universitetet i Stavanger.

Aditya Dixit; Pål Østebø Andersen; Dag Chun Standnes; Alexander Shapiro (2018) Simulation of core scale Experiments - improved interpretation of steady state relative permeability measurements. Danmarks Tekniske Universitet, DTU.

Mirza Hassan Baig; Anders Nermoen; Pål Østebø Andersen; Paul Henry Nadeau; Ivar Austvoll (2018) Digital Image Analysis for Petrophysical Evaluation. Universitetet i Stavanger.

Siri Sandvik; Pål Østebø Andersen; Skule Strand; Arild Lohne (2018) Simulation of oil recovery by wettability alteration – interpretation of Smart water imbibition experiments at reservoir conditions. Universitetet i Stavanger.

Citra Nainggolan; Pål Østebø Andersen; Dag Chun Standnes (2018) Core Flooding for Analysis of Capillary End Effect and Multiphase Flow Properties. Universitetet i Stavanger.

Anibal Ceballos; Pål Østebø Andersen; Dag Chun Standnes; Arild Lohne (2018) Simulation of Oil Recovery Process – Co-current Spontaneous Imbibition in Fractured Reservoirs. Universitetet i Stavanger.

Eliana Vasquez; Pål Østebø Andersen; Dag Chun Standnes (2018) Relative Permeability and Capillary Pressure Estimation from Core-flooding Experiments studying Capillary End Effects. Universitetet i Stavanger.

Kenneth Nergård; Jann Rune Ursin; Dhruvit Satishchandra Berawala; Pål Østebø Andersen (2018) Investigation of Geomechanical Effects and Other Controlling Parameters on Shale Gas Production. Universitetet i Stavanger.

Malik Yosif; Pål Østebø Andersen; Ying Guo (2017) Polymer EOR in Fractured Chalk Reservoirs - A Simulation Study with Relevance to the Norwegian Continental Shelf. Universitetet i Stavanger.

Eyasu Gebreselassie; Pål Østebø Andersen; Ying Guo (2017) The Role of Polymer Size Distribution During Injection into a Low permeable Chalk - Numerical Simulations and Interpretation of Experimental Data. Universitetet i Stavanger.

Daisy Siti Aisyah; Pål Østebø Andersen; Kenny Walrond (2017) Modelling of Co-Current Spontaneous Imbibition – Improved Understanding of Reservoir Flow Physics. Universitetet i Stavanger.

Zhang Chunlei; Pål Østebø Andersen (2016) A Study of Interplay Between Capillary and Gravitational Forces with Application to Oil Recovery in Naturally Fractured Reservoirs. Universitetet i Stavanger.

Antono Jesus Heredia Garate; Steinar Evje; Pål Østebø Andersen (2014) Study of a model for spontaneous imbibition as a mechanism for oil recovery in naturally fractured reservoirs. Universitetet i Stavanger.

Pål Østebø Andersen; Steinar Evje (2010) Mathematical modeling of water-rock chemistry during water injection and its impact on the composition and porosity of chalk. Universitetet i Stavanger.

Behzad Amiri; Mojtaba Ghaedi; Pål Østebø Andersen; Xiaodong Luo (2025) Analytical Estimation of Caprock Diffusive Losses During Underground Hydrogen Storage – Caprock Screening Criteria. I: EAGE Conference and Exhibition. Volum 2025. s.1-17. DOI: 10.3997/2214-4609.202531032

Pål Østebø Andersen (2024) Correction of core scale experiments for capillary end effects. First Geo-Energy Frontier Forum - Opportunities and Challenges of Geo-Energy Exploration and Development; 2024-04-19 - 2024-04-22.

Mojtaba Ghaedi; Pål Østebø Andersen; Raoof Gholami (2024) Syngas Injection and Simultaneous Storage of CO2 and H2 in Geological Formations: A Feasibility Study. 85th EAGE Annual Conference & Exhibition; 2024-06-10 - 2024-06-13.

Pål Østebø Andersen; Pawel Wojnarowski; Yen Adams Sokama-Neuyam; Furqan Le Hussain; Jianchao Cai (2024) Editorial of special issue “Advances in CCUS for the Natural Gas Industry”. I: Gas Science and Engineering. ISSN 2949-9097. DOI: 10.1016/j.jgsce.2024.205463

Nestor Cardozo; Lisa Watson; Alejandro Escalona; Carita Augustsson; Udo Zimmermann; Aksel Hiorth; Reidar Brumer Bratvold; Tina Puntervold; Wiktor Waldemar Weibull; Pål Østebø Andersen (2023) Det grønne skiftet trenger naturvitenskapene – også ved UiS!. I: Stavanger Aftenblad. ISSN 0804-8991.

Pål Østebø Andersen (2023) Editor’s Choice: Advances in Carbon Capture Subsurface Storage and Utilization. I: Energies. Online ISSN 1996-1073. Volum 16. DOI: 10.3390/en16052082

Nestor Cardozo; Carita Augustsson; Pål Østebø Andersen; Aksel Hiorth; Tina Puntervold; Lisa Watson; Alejandro Escalona; Wiktor Waldemar Weibull (2022) UiS må bidra med ingeniører som kan omstille norsk sokkel. I: Stavanger Aftenblad. ISSN 0804-8991.

Iván Darío Piñerez Torrijos; Skule Strand; Tina Puntervold; Agnes Kahlbom Wathne; Amalie Harestad; Katarina Radenkovic; Pål Østebø Andersen (2022) The Effect of Core Wettability on Oil Mobilization, Capillary Forces and Relative Permeability in Chalk. SPE EuropEC - Europe Energy Conference featured at the 83rd EAGE Annual Conference & Exhibition 2022; 2022-06-06 - 2022-06-09.

Jassem Abbasi; Pål Østebø Andersen (2022) Improved Initialization of Non-Linear Solvers in Numerical Simulation of Flow in Porous Media with a Deep Learning Approach. SPE EuropEC - Europe Energy Conference featured at the 83rd EAGE Annual Conference & Exhibition; 2022-06-15 - 2022-06-21.

Pål Østebø Andersen; Ketil Djurhuus; Reza Askarinezhad; Jonas Solbakken (2022) Management of High-Water-Cut and Mature Petroleum Reservoirs. I: Energies. Online ISSN 1996-1073. Volum 15. DOI: 10.3390/en15228344

Jianchao Cai; Pål Østebø Andersen; Shuangmei Zou (2021) Capillarity in porous media: Recent advances and challenges. I: Oil & Gas Science and Technology. ISSN 1294-4475. Volum 76. s.1-2. DOI: 10.2516/ogst/2021059

Dhruvit Satishchandra Berawala; Pål Østebø Andersen (2019) Evaluation of Multicomponent Adsorption Kinetics for CO2 Enhanced Gas Recovery from Tight Shales. SPE Europec featured at 81st EAGE Annual Conference; 2019-06-03.

Pål Østebø Andersen; Kenny Walrond; Citra Nainggolan; Eliana Pulido; Reza Askarinezhad (2019) Simulation Interpretation of Capillary Pressure and Relative Permeability from Waterflooding Laboratory Experiments in Preferentially Oil-wet Porous Media. IOR2019, 20th European Symposium on Inproved Oil Recovery; 2019-04-08 - 2019-04-11.

Dhruvit Satishchandra Berawala; Pål Østebø Andersen (2019) Core-Scale Modelling of CO2 Injection in Tight Shale Formations for Enhanched Gas Recovery. IOR NORWAY 2019; 2019-03-19 - 2019-03-20.

Emanuela Iedidia Kallesten; Pål Østebø Andersen; Dhruvit Satishchandra Berawala; Reidar Inge Korsnes; Merete Vadla Madland; Edvard Omdal; Udo Zimmermann (2019) Modelling of Permeability and Strain Evolution in Chemical Creep Compaction Experiments with Fractured and Unfractured Chalk Cores Conducted at Reservoir Conditions. Abu Dhabi International Petroleum Exhibition & Conference; 2019-11-11.

Dhruvit Satishchandra Berawala; Pål Østebø Andersen (2019) Numerical Investigation of Non-Darcy Flow Regime Transitions in Shale Gas Production. Abu Dhabi International Petroleum Exhibition & Conference; 2019-11-11.

Pål Østebø Andersen (2019) Correcting for or Measuring Capillary Pressure in Core Flooding. Visit to University of Aberdeen; 2019-05-01.

Pål Østebø Andersen; Jan Inge Nygård; Aizhan Kengessova (2019) Characterization of WAG performance in layered reservoirs using dimensionless numbers and machine learning. Reservoir & Production Management Conference; 2019-11-12.

Emanuela Iedidia Kallesten; Merete Vadla Madland; Reidar Inge Korsnes; Edvard Omdal; Udo Zimmermann; Pål Østebø Andersen (2019) Permeability Evolution of Shear Failing Chalk Cores under Thermochemical Influence. IOR 2019 – 20th European Symposium on Improved Oil Recovery ; 2019-04-08.

Pål Østebø Andersen; Tore Lyngås Føyen; Jaldeepsinh S. Chauhan; Bergit Brattekås (2019) Interpretation of Induction Time and Nonstandard Spontaneous Imbibition Trends Utilizing In-situ Measurements – Identification of No-Flow Regions and Wettability Alteration. IOR 2019 – 20th European Symposium on Improved Oil Recovery ; 2019-04-08.

Jan Inge Nygård; Pål Østebø Andersen (2019) Simulation of Immiscible WAG Injection in a Stratified Reservoir - Characterization of WAG Performance. IOR 2019 – 20th European Symposium on Improved Oil Recovery ; 2019-04-08.

Temidayo Boboye; Dhruvit Satishchandra Berawala; Pål Østebø Andersen (2019) Numerical modelling of non-Darcy flow in shale gas production. IOR NORWAY 2019; 2019-03-19 - 2019-03-20.

Sameer Ahmed; Pål Østebø Andersen; Dag Chun Standnes (2019) Dynamic interplay of viscous coupling and spontaneous imbibition during water level rise. IOR NORWAY 2019; 2019-03-19 - 2019-03-20.

Jan Inge Nygård; Pål Østebø Andersen (2019) Water-alternating-gas injection for IOR - Interplays of heterogeneity, gravity and multiphase flow. IOR NORWAY 2019; 2019-03-19 - 2019-03-20.

Yosra Cherif; Pål Østebø Andersen; Reidar Inge Korsnes; Edvard Omdal; Merete Vadla Madland (2019) Brine injection at reservoir conditions: Does reservoir- and outcrop chalk show similar geomechanical behavior?. IOR NORWAY 2019; 2019-03-19 - 2019-03-20.

Nataliya Linev'yuk; Pål Østebø Andersen (2019) Simulation study of co-current spontaneous imbibition. IOR NORWAY 2019; 2019-03-19 - 2019-03-20.

Magnus Raaholt; Pål Østebø Andersen; Merete Vadla Madland; Reidar Inge Korsnes (2019) Reactive flow simulations and compaction. IOR NORWAY 2019; 2019-03-19 - 2019-03-20.

Baber Rafique; Dhruvit Satishchandra Berawala; Pål Østebø Andersen (2019) Modelling of gas production from tight shale formations using data driven analytics. IOR NORWAY 2019; 2019-03-19 - 2019-03-20.

Jan Inge Nygård; Pål Østebø Andersen; Ying Guo; Lars Kolbotn; Arild Lohne (2019) Simulation of water management processes. IOR NORWAY 2019; 2019-03-19 - 2019-03-20.

Isaac Klewiah; Dhruvit Satishchandra Berawala; Hans Christian Alexander Walker; Pål Østebø Andersen; Paul Henry Nadeau; Zhixin Yu (2019) Opportunities for increased energy recovery and carbon sequestration in shales - reversing climate change?. IOR NORWAY 2019; 2019-03-19 - 2019-03-20.

Dhruvit Satishchandra Berawala; Pål Østebø Andersen (2019) Core scale modelling of CO2 injection in tight shale formations for enhanced gas recovery. IOR NORWAY 2019; 2019-03-19 - 2019-03-20.

Emanuela Iedidia Kallesten; Udo Zimmermann; Edvard Omdal; Pål Østebø Andersen; Reidar Inge Korsnes; Merete Vadla Madland (2019) Permeability evolution of shear failing chalk cores under thermochemical influence. IOR NORWAY 2019; 2019-03-19 - 2019-03-20.

Eirik Kjos Nesvik; Pål Østebø Andersen; Dag Chun Standnes (2019) Analytical solutions for forced and spontaneous imbibition accounting for viscous coupling. IOR NORWAY 2019; 2019-03-19 - 2019-03-20.

Pål Østebø Andersen (2018) Capillary Pressure Effects on Estimating the EOR Potential during Low Salinity and Smart Water Flooding. SPE APOGCE; 2018-10-23 - 2018-10-25.

Pål Østebø Andersen (2018) Theoretical Comparison of Two Setups for Capillary Pressure Measurement by Centrifuge. IER Research Day; 2018-11-30.

Temidayo Boboye; Dhruvit Satishchandra Berawala; Pål Østebø Andersen; Zhixin Yu (2018) Numerical modelling of non-Darcy flow in shale gas production. IER Research Day; 2018-11-30.

Pål Østebø Andersen; Dhruvit Satishchandra Berawala (2018) Analytical and Numerical Solutions for Interpretation of Chemical Compaction in Chalk. SPE APOGCE; 2018-10-23 - 2018-10-25.

Jan Inge Nygård; Pål Østebø Andersen (2018) Scaling of recovery during immiscible WAG injection. IER Research Day; 2018-11-30.

Dhruvit Satishchandra Berawala; Pål Østebø Andersen; Jann Rune Ursin (2018) Controlling Parameters for Shale Gas Production: A Fracture- Matrix Modelling Approach. Lunch and Learn Seminar; 2018-09-28.

Mirza Hassan Baig; Anders Nermoen; Paul Henry Nadeau; Pål Østebø Andersen; Ivar Austvoll (2018) Digital Image Analysis of Thin Sections for Petrophysical Properties. FORCE Seminar; 2018-04-20.

Dhruvit Satishchandra Berawala; Pål Østebø Andersen; Jann Rune Ursin (2018) Controlling Parameters for Shale Gas Production Into a Well-Induced Fracture: A Fracture-Matrix Modelling Approach. SPE Europec featured at 80th EAGE Conference and Exhibition; 2018-06-11 - 2018-06-14.

Dhruvit Satishchandra Berawala; Pål Østebø Andersen; Jann Rune Ursin (2018) Modelling of CO2 Injection in Shale Reservoirs. SPE Research Night; 2018-02-07.

Jan Inge Nygård; Kenny Walrond; Pål Østebø Andersen (2018) Controlling parameters during WAG injection – A simulation study. SPE Research Night; 2018-02-07.

Pål Østebø Andersen; Arild Lohne; Arne Stavland; Aksel Hiorth; Bergit Brattekås (2018) Core Scale Simulation of Spontaneous Solvent Imbibition from HPAM Gel. The SPE Improved Oil Recovery Conference 2018; 2018-04-14 - 2018-04-18.

Pål Østebø Andersen; Yangyang Qiao; Dag Chun Standnes; Steinar Evje (2018) Co-current Spontaneous Imbibition in Porous Media with the Dynamics of Viscous Coupling and Capillary Back Pressure. The SPE Improved Oil Recovery Conference 2018; 2018-04-14 - 2018-04-18.

Pål Østebø Andersen; Kenny Walrond; Citra Nainggolan; Eliana Vasquez; Reza Askarinezhad; Dag Chun Standnes; Svein Magne Skjæveland; Ingebret Fjelde (2018) Capillary Pressure from Core Flooding. SPE Research Night; 2018-02-07.

Madhan Nur Agista; Pål Østebø Andersen; Zhixin Yu (2018) Simulation Interpretation of Laboratory Nanofluid Injection in Porous Media. IOR NORWAY 2018; 2018-04-24.

Mirza Hassan Baig; Anders Nermoen; Paul Henry Nadeau; Pål Østebø Andersen; Ivar Austvoll (2018) Petrographic Properties Evaluation by Digital Image Analysis of Thin Sections. IOR NORWAY 2018; 2018-04-24.

Emanuela Iedidia Kallesten; Merete Vadla Madland; Reidar Inge Korsnes; Udo Zimmermann; Pål Østebø Andersen (2018) Permeability and Stress State. IOR NORWAY 2018; 2018-04-24.

Jan Inge Nygård; Kenny Walrond; Pål Østebø Andersen (2018) Controlling Parameters During WAG Injection – A Simulation Study. IOR NORWAY 2018; 2018-04-24.

Katherine Esquivel; Pål Østebø Andersen; Dhruvit Satishchandra Berawala (2018) Interpretation of Reactive Flow and its Impact on Compaction in Chalk. IOR NORWAY 2018; 2018-04-24.

Dhruvit Satishchandra Berawala; Pål Østebø Andersen; Jann Rune Ursin (2018) Modelling of CO2 Injection in Shale Gas Reservoirs - Improved Recovery and CCS. IOR NORWAY 2018; 2018-04-24.

Aditya Dixit; Pål Østebø Andersen; Dag Chun Standnes; Alexander Shapiro; Svein Magne Skjæveland; Kenny Walrond (2018) Interpretation Of steady State Relative Permeability Measurements on Composite Cores with End Effects. IOR NORWAY 2018; 2018-04-24 - 2018-04-25.

Pål Østebø Andersen; Kenny Walrond; Eliana Vasquez; Citra Nainggolan; Reza Askarinezhad; Dag Chun Standnes; Svein Magne Skjæveland; Ingebret Fjelde (2018) Experimental and simulation interpretation of capillary pressure and relative permeability from waterflooding experiments. IEA-EOR 2018; 2018-09-03 - 2018-09-07.

Bergit Brattekås; Arild Lohne; Pål Østebø Andersen (2018) Core Scale EME for IOR: Experiment-Modelling-Experiment. IOR Norway 2018; 2018-04-24 - 2018-04-25.

Pål Østebø Andersen; Arild Lohne; Arne Stavland; Aksel Hiorth; Bergit Brattekås (2018) Core Scale Simulation of Spontaneous Solvent Imbibition from HPAM Gel. Lunch & Learn; 2018-03-23.

Pål Østebø Andersen; Dhruvit Satishchandra Berawala (2018) Analytical and Numerical Modelling of Chemical Compaction in Chalk. Lunch & Learn at UiS; 2018-11-23.

Pål Østebø Andersen; Dag Chun Standnes; Svein Magne Skjæveland (2017) Capillary End Effects during Core Flooding – Analytical Solutions and Capillary Numbers accounting for Saturation Functions. Lunch & Learn; 2017-05-10.

Pål Østebø Andersen; Yangyang Qiao; Steinar Evje; Dag Chun Standnes (2017) Improved Modelling of Gravity-Aided Spontaneous Imbibition Using Momentum-Equation-Based Relative Permeabilities. IOR 2017 - 19th European Symposium on Improved Oil Recovery; 2017-04-24 - 2017-04-27.

Pål Østebø Andersen; Svein Magne Skjæveland; Dag Chun Standnes (2017) An Analytical Model for Analysis of Centrifuge Capillary Pressure Experiments. IOR 2017 - 19th European Symposium on Improved Oil Recovery; 2017-04-24 - 2017-04-27.

Pål Østebø Andersen; Yangyang Qiao; Steinar Evje; Dag Chun Standnes (2017) Improved modeling of gravity-aided spontaneous imbibition using momentum-equation-based relative permeabilities. Interpore - 9th International Conference on Porous Media & Annual Meeting; 2017-05-08 - 2017-05-11.

Pål Østebø Andersen; Svein Magne Skjæveland; Dag Chun Standnes (2017) A Novel Bounded Capillary Pressure Correlation with Application to Both Mixed and Strongly Wetted Porous Media. Abu Dhabi International Petroleum Exhibition & Conference held in Abu Dhabi, UAE; 2017-11-13 - 2017-11-16.

Pål Østebø Andersen; Bergit Brattekås; Kenny Walrond; Daisy Siti Aisyah; Oddbjørn Mathias Nødland; Arild Lohne; Håkon Kyte Haugland; Tore L. Føyen; Martin Fernø (2017) Numerical Interpretation of Laboratory Spontaneous Imbibition - Incorporation of the Capillary Back Pressure and How it Affects SCAL. Abu Dhabi International Petroleum Exhibition & Conference; 2017-11-13 - 2017-11-16.

Jan Inge Nygård; Kenny Walrond; Pål Østebø Andersen (2017) Simulation Study of Miscible WAG Injection in a Stratified Model Reservoir. SPWLA International Student Paper Contest, part of SPWLA Annual Symposium; 2017-06-17 - 2017-06-21.

Dag Chun Standnes; Steinar Evje; Pål Østebø Andersen (2016) A Novel Relative Permeability Model - A Two-Fluid Approach Accounting For Solid-Fluid And Fluid-Fluid Interactions. The International Symposium of the Society of Core Analysts; 2016-08-21 - 2016-08-26.

Pål Østebø Andersen (2016) Modelling of Imbibition Tests with Porous Disc – The Validity of Exponential Models. Lunch & Learn; 2016-12-07.

Pål Østebø Andersen; Steinar Evje (2016) Fracture-Matrix Models for Reactive Flow in Naturally Fractured Formations. Lunch & Learn; 2016-06-16.

Pål Østebø Andersen; Steinar Evje; Rajib Ahsan; Aksel Hiorth (2015) An Analytical Model for Imbibition Experiments with Porous Plate. 18th European Symposium on Improved Oil Recovery; 2015-04-14 - 2015-04-16.

Anders Nermoen; Reidar Inge Korsnes; Tania Hildebrand-Habel; Udo Zimmermann; Peter Bollhorn; Helle Foged Christensen; Frederic Ancker Agergaard; Niels Trads; Janne Pedersen; Espen Jettestuen; Jan Ludvig Vinningland; Steinar Evje; Pål Østebø Andersen; Aksel Hiorth; Merete Vadla Madland (2014) Water weakening of chalk at realistic reservoir conditions. JCR-7 Symposium 2014; 2014-09-19 - 2014-09-21.

Pål Østebø Andersen (2014) A Simplified Mathematical Model for Flow in Fractured Reservoirs. Lunch & Learn; 2014-03-21.

Pål Østebø Andersen; Rajib Ahsan; Steinar Evje; Bratteli Fred; Merete Vadla Madland; Aksel Hiorth (2013) A Model for Brine-Dependent Spontaneous Imbibition Experiments with Porous Plate. EAGE Annual Conference & Exhibition incorporating SPE Europec; 2013-06-10 - 2013-06-13.

Pål Østebø Andersen; Steinar Evje; Hans Kleppe; Svein Magne Skjæveland (2013) A Model for Wettability Alteration in Fractured Reservoirs. International Petroleum Technology Conference; 2013-03-26 - 2013-03-28.

Pål Østebø Andersen; Steinar Evje (2012) Two-phase Flow in a Fissurized-porous Media. 10th International Conference of Numerical Analysis and Applied Mathematics; 2012-09-19 - 2012-09-25.

Megawati Megawati; Pål Østebø Andersen; Reidar Inge Korsnes; Steinar Evje; Aksel Hiorth; Merete Vadla Madland (2011) The effect of aqueous chemistry pH on the time dependent deformation behaviour of chalk - experimental and modeling studies. Flows and and mechanics in natural porous media from pore to field scale. Pore2Field; 2011-11-16 - 2011-11-18.