Ole Torsæter
+4773594941
+4791897302
Petroleumsteknisk senter, Rom 208, Valgrinda, S. P. Andersens veg 15A
About
Born September 18, 1951, Norwegian.
-
Professor Emeritus in reservoir engineering, NTNU.
-
Research Associate, PoreLab, Norwegian Center of Excellence, NTN U and University of Oslo.
Siv.ing. ( 1975, NTH) and Dr.ing. (1983, NTH) both in petroleum technology / reservoir engineering.
Experience: Ole Torsæter is Professor Emeritus in reservoir engineering at NTNU and research associate at PoreLab, Norwegian Centre of Excellence at NTNU and University of Oslo (UiO). Associate Professor at NTH 1983-1990 and Professor at NTH/NTNU 1990-2021. He was Adjunct Professor at Department of Physics, UiO, 2027-2021. He had research positions with SINTEF, Phillips Petroleum Co., USA, and ResLab before he became professor. He has been a visiting professor at New Mexico Tech, Texas A & M, University of Bordeaux and visiting investigator at A*STAR in Singapore. Torsæter has been the main supervisor for about 220 Master thesis and 25 PhD thesis, and he is author/coauthor of more than 200 research publications. The subject areas for his teaching and research are experimental reservoir engineering, flow in porous media, fractured reservoirs and enhanced oil recovery methods. Presently Torsæter’s research activity is focused on wettability on pore scale and on mobilizing residual oil by using nanofluids. Ole Torsæter has a Master - degree in petroleum engineering from Norwegian Institute of Technology in 1975 and a Dr.ing. - degree from the same institution in 1983 with a thesis on water imbibition in chalk from the Ekofisk Field where he showed that Ekofisk was a good candidate for water flooding. Torsæter received the Darcy Technical Achievement Award from the Society of Core Analysts in 2014, Distinguished Achievement Award for Petroleum Engineering Faculty (2016) and Management and Information Award (2018), both from Society of Petroleum Engineers, North Sea Region. Torsæter is Member of the Norwegian Academy of Science and Technology.
Academic and professional committees: Presently member of several international technical and review committees on reservoir engineering / EOR.
Doctoral student supervision: Main supervisor for 25 PhD graduates in reservoir engineering.
Research:
Experimental reservoir engineering (routine and special core analysis), Evaluation of fractured reservoirs, Enhanced oil recovery methods, Wettability, Nanofluids for EOR, Pore scale experimental studies of fluid distribution and flow.
Teaching:
Reservoir Engineering, Flow in Porous Media, Unconventional Oil and Gas Reservoirs, Fractured Reservoirs.
On-going research:
-
Microscopical characteristics of two phase flow in porous media:
-
Nanofluids for enhanced oil recovery
-
Wettablility on pore scale
-
Microfluidics in reservoir engineering
Publications
2022
- Arab, Danial; Bryant, Steven L.; Torsæter, Ole; Englezos, Peter; Gopaluni, Bhushan; Kantzas, Apostolos. (2022) Elucidation of the mechanistic aspects of chemical EOR in viscous oil systems. Journal of Petroleum Science and Engineering. volum 216 (110846).
- Arab, Danial; Bryant, Steven L.; Torsæter, Ole; Kantzas, Apostolos. (2022) Water flooding of sandstone oil reservoirs: Underlying mechanisms in imbibition vs. drainage displacement. Journal of Petroleum Science and Engineering. volum 213.
- Bila, Alberto Luis; Stensen, Jan Åge; Torsæter, Ole. (2022) Polymer-Coated Silica Nanoparticles for Enhanced Oil Recovery in Water-Wet Berea Sandstone Core Plugs. Advances in Science, Technology & Innovation (ASTI).
- Safarzadeh, Shirin; Bila, Alberto Luis; Torsæter, Ole. (2022) Experimental Investigation of the Effect of Silica Nanoparticles on Interfacial Tension and Wettability during Low Salinity Water Flooding: A Micromodel Study. Journal of Modern Nanotechnology. volum 2 (1).
2021
- Arab, Danial; Kantzas, Apostolos; Torsæter, Ole; Akarri, Salem Saeed Fadhl; Bryant, Steven L.. (2021) A Crucial Role of the Applied Capillary Pressure in Drainage Displacement. SPE Journal. volum 26 (04).
- Bila, Alberto Luis; Torsæter, Ole. (2021) Experimental investigation of polymer-coated silica nanoparticles for EOR under harsh reservoir conditions of high temperature and salinity. Nanomaterials. volum 11 (765).
- Egbe, Daniel Isong Otu; Jahanbani Ghahfarokhi, Ashkan; Nait Amar, Menad; Torsæter, Ole. (2021) Application of Low-Salinity Waterflooding in Carbonate Cores: A Geochemical Modeling Study. Natural Resources Research. volum 30 (1).
- Hadia, Nanji; Ng, Yeap Hung; Stubbs, Ludger P.; Torsæter, Ole. (2021) High salinity and high temperature stable colloidal silica nanoparticles with wettability alteration ability for EOR application. Nanomaterials. volum 11 (707).
- Li, Shidong; Lau, Hon Chung; Torsæter, Ole; Hendraningrat, Luky; Temizel, Cenk. (2021) Nanoparticles for enhanced oil recovery. Sustainable materials for oil and gas application.
- Li, Shidong; Sng, Anqi; Daniel, Dan; Lau, Hon Chung; Torsæter, Ole; Stubbs, Ludger P.. (2021) Visualizing and Quantifying Wettability Alteration by Silica Nanofluids. ACS Applied Materials & Interfaces. volum 13.
- Ng, Cuthbert Shang Wui; Jahanbani Ghahfarokhi, Ashkan; Nait Amar, Menad; Torsæter, Ole. (2021) Smart Proxy Modeling of a Fractured Reservoir Model for Production Optimization: Implementation of Metaheuristic Algorithm and Probabilistic Application. Natural Resources Research. volum 30 (3).
- Sari, Mufrettin Murat; Temizel, Cenk; Canbaz, Celal Hakan; Saputelli, Luigi A.; Torsæter, Ole. (2021) Sustainable materials for transitional and alternative energy. Gulf Professional Publishing. 2021. ISBN 978-0-12-824379-4.
- Taheri, Amir; Torsæter, Ole; Lindeberg, Erik Gøsta Brun; Hadia, Nanji; Wessel-Berg, Dag. (2021) Effect of convective mixing process on storage of CO2 in saline aquifers with layered permeability. Advances in Chemical Research. volum 3 (1).
- Temizel, Cenk; Sari, Mufrettin Murat; Canbaz, Celal Hakan; Saputelli, Luigi A.; Torsæter, Ole. (2021) Sustainable materials for oil and gas application. Gulf Professional Publishing. 2021. ISBN 978-0-12-824380-0.
- Torsæter, Ole. (2021) Application of Nanoparticles for Oil Recovery. MDPI. 2021. ISBN 978-3-0365-1317-1.
- Torsæter, Ole. (2021) Application of nanoparticles for oil recovery. Nanomaterials. volum 11 (1063).
2020
- Aadland, Reidun Cecilie Grønfur; Akarri, Salem Saeed Fadhl; Heggset, Ellinor Bævre; Syverud, Kristin; Torsæter, Ole. (2020) A core flood and microfluidics investigation of nanocellulose as a chemical additive to water flooding for EOR. Nanomaterials. volum 10 (7).
- Bedeaux, Dick; Flekkøy, Eirik Grude; Hansen, Alex; Kjelstrup, Signe; Måløy, Knut Jørgen; Torsæter, Ole. (2020) Physics of Porous Media. Frontiers. 2020. ISBN 978-2-88963-535-1.
- Bedeaux, Dick; Flekkøy, Eirik Grude; Hansen, Alex; Måløy, Knut Jørgen; Kjelstrup, Signe; Torsæter, Ole. (2020) Editorial: Physics of Porous Media. Frontiers in Physics. volum 8.
- Bila, Alberto Luis; Stensen, Jan Åge; Torsæter, Ole. (2020) Polymer-functionalized silica nanoparticles for improving water flood sweep efficiency in Berea sandstones. E3S Web of Conferences. volum 146 (02001).
- Bila, Alberto Luis; Torsæter, Ole. (2020) Enhancing oil recovery with hydrophilic polymer-coated silica nanoparticles. Energies. volum 13 (21).
- Gjengedal, Sondre; Brøtan, Vegard; Buset, Ole Tore; Larsen, Erik; Åsebø Berg, Olav; Torsæter, Ole; Ramstad, Randi Kalskin; Hilmo, Bernt Olav; Frengstad, Bjørn. (2020) Fluid flow through 3D-printed particle beds: a new technique for understanding, validating, and improving predictability of permeability from empirical equations. Transport in Porous Media. volum 134.
- Li, Shidong; Ng, Yeap Hung; Lau, Hon Chung; Torsæter, Ole; Stubbs, Ludger P.. (2020) Experimental investigation of stability of silica nanoparticles at reservoir conditions for enhanced oil-recovery applications. Nanomaterials. volum 10 (1522).
- Nourani, Meysam; Tichelkamp, Thomas; Hosseinzade Khanamiri, Hamid; Johansen, Trine; Hov, Ingrid Karlsen; Gawel, Bartlomiej; Torsæter, Ole; Øye, Gisle. (2020) Dynamic wettability alteration for combined low salinity brine injection and surfactant flooding on silica surface. SN Applied Sciences. volum 2.
- Omran, Mohamed Ahmed Fathy Abdelshafy; Akarri, Salem Saeed Fadhl; Torsæter, Ole. (2020) The effect of wettability and flow rate on oil displacement using polymer-coated silica nanoparticles: A microfluidic study. Processes. volum 8 (8).
- Rueda, Edgar; Akarri, Salem Saeed Fadhl; Torsæter, Ole; Moreno, Rosangela B.Z.L.. (2020) Experimental investigation of the effect of adding nanoparticles to polymer flooding in water-wet micromodels. Nanomaterials. volum 10 (1489).
- Zhang, Jingya; Liu, Guangdi; Torsæter, Ole; Tao, Shizhen; Jiang, Mengya; Li, Guohui; Zhang, Shixiang. (2020) Pore throat structure characteristics and its effect on flow behavior in Gaotaizi tight siltstone reservoir, Northern Songliao Basin. Marine and Petroleum Geology. volum 122 (104651).
2019
- Aadland, Reidun Cecilie Grønfur; Jakobsen, Trygve Dagsloth; Heggset, Ellinor Bævre; Long-Sanouiller, Haili; Simon, Sebastien Charles; Paso, Kristofer Gunnar; Syverud, Kristin; Torsæter, Ole. (2019) High-Temperature Core Flood Investigation of Nanocellulose as a Green Additive for Enhanced Oil Recovery. Nanomaterials. volum 9 (665).
- Bila, Alberto Luis; Stensen, Jan Åge; Torsæter, Ole. (2019) Experimental Investigation of Polymer-Coated Silica Nanoparticles for Enhanced Oil Recovery. Nanomaterials. volum 9 (822).
- Cheng, Xiaoqian; Kleppe, Jon; Torsæter, Ole. (2019) Simulation study of surfactant injection in a fractured core. Journal of Petroleum Exploration and Production Technology. volum 9 (4).
- Li, Shidong; Torsæter, Ole; Lau, Hon Chung; Hadia, Nanji; Stubbs, Ludger P.. (2019) The Impact of Nanoparticle Adsorption on Transport and Wettability Alteration in Water-Wet Berea Sandstone: An Experimental Study. Frontiers in Physics. volum 7 (74).
- Najafiazar, Bahador; Wessel-Berg, Dag; Bergmo, Per Eirik Strand; Simon, Christian; Yang, Juan; Torsæter, Ole; Holt, Torleif. (2019) Polymer Gels Made with Functionalized Organo-Silica Nanomaterials for Conformance Control. Energies. volum 12 (19).
2018
- Aadland, Reidun Cecilie Grønfur; Dziuba, Carter Jordan; Heggset, Ellinor Bævre; Syverud, Kristin; Torsæter, Ole; Holt, Torleif; Gates, Ian D.; Bryant, Steven. (2018) Identification of Nanocellulose Retention Characteristics in Porous Media. Nanomaterials. volum 8 (7).
- Hosseinzade Khanamiri, Hamid; Berg, Carl Fredrik; Slotte, Per Arne; Schlüter, Steffen; Torsæter, Ole. (2018) Description of Free Energy for Immiscible Two‐Fluid Flow in Porous Media by Integral Geometry and Thermodynamics. Water Resources Research. volum 54 (11).
- Hosseinzade Khanamiri, Hamid; Torsæter, Ole. (2018) Fluid Topology in Pore Scale Two‐Phase Flow Imaged by Synchrotron X‐ray Microtomography. Water Resources Research. volum 54 (3).
- Taheri, Amir; Torsæter, Ole; Lindeberg, Erik Gøsta Brun; Hadia, Nanji; Wessel-Berg, Dag. (2018) Qualitative and quantitative experimental study of convective mixing process during storage of CO2 in heterogeneous saline aquifers. International Journal of Greenhouse Gas Control. volum 71.
- Wang, Xiao; Zhang, Zhiliang; Torsæter, Ole; He, Jianying. (2018) Atomistic insights into the nanofluid transport through an ultra-confined capillary. Physical Chemistry, Chemical Physics - PCCP. volum 20 (7).
2017
- Taheri, Amir; Lindeberg, Erik Gøsta Brun; Torsæter, Ole; Wessel-Berg, Dag. (2017) Qualitative and quantitative experimental study of convective mixing process during storage of CO2 in homogeneous saline aquifers. International Journal of Greenhouse Gas Control. volum 66.
- Torsæter, Ole; Berland, Harald. (2017) Microbial Methods. JCR-7 Monograph: North Sea Chalk.
- Torsæter, Ole; Fjelde, Ingebret. (2017) Multiphase Flow Parameters. JCR-7 Monograph: North Sea Chalk.
2016
- Hosseinzade Khanamiri, Hamid; Enge, Ida Baltzersen; Nourani, Meysam; Stensen, Jan Åge; Torsæter, Ole; Hadia, Nanji. (2016) EOR by Low Salinity Water and Surfactant at Low Concentration: Impact of Injection and in Situ Brine Composition. Energy & Fuels. volum 30 (4).
- Hosseinzade Khanamiri, Hamid; Nourani, Meysam; Tichelkamp, Thomas; Stensen, Jan Åge; Øye, Gisle; Torsæter, Ole. (2016) Low-Salinity-Surfactant Enhanced Oil Recovery (EOR) with a New Surfactant Blend: Effect of Calcium Cations. Energy & Fuels. volum 30 (2).
- Hosseinzade Khanamiri, Hamid; Torsæter, Ole; Stensen, Jan Åge. (2016) Effect of calcium in pore scale oil trapping by low-salinity water and surfactant enhanced oil recovery at strongly water-wet conditions: in situ imaging by X-ray microtomography. Energy & Fuels. volum 30 (10).
- Jahanbani Ghahfarokhi, Ashkan; Shadizadeh, Seyed Reza; Jelmert, Tom Aage; Torsæter, Ole; Moradi, Mahdis. (2016) Case Study: Performance Prediction of a Horizontal Well in a Fractured Reservoir. International Journal of Engineering Trends and Technology. volum 40 (2).
- Souraki, Yaser; Ashrafi, Mohammad; Torsæter, Ole. (2016) Experimental investigation and comparison of thermal processes: SAGD, E-SAGD and SAS. International Journal of Engineering Trends and Technology. volum 31 (2).
- Tichelkamp, Thomas; Hosseinzade Khanamiri, Hamid; Nourani, Meysam; Stensen, Jan Åge; Torsæter, Ole; Øye, Gisle. (2016) EOR Potential of Mixed Alkylbenzenesulfonate Surfactant at Low Salinity and the Effect of Calcium on "optimal Ionic Strength". Energy & Fuels. volum 30 (4).
2015
- Hendraningrat, Luky; Torsæter, Ole. (2015) A Stabilizer that Enhances the Oil Recovery Process Using Silica-Based Nanofluids. Transport in Porous Media. volum 108 (3).
- Hendraningrat, Luky; Torsæter, Ole. (2015) A study of water chemistry extends the benefits of using silica-based nanoparticles on enhanced oil recovery. Applied Nanoscience.
- Hendraningrat, Luky; Torsæter, Ole. (2015) Metal oxide-based nanoparticles: revealing their potential to enhance oil recovery in different wettability systems. Applied Nanoscience. volum 5 (2).
- Polak, Szczepan; Cinar, Yildiray; Holt, Torleif; Torsæter, Ole. (2015) Use of low-and high-IFT fluid systems in experimental and numerical modelling of systems that mimic CO2 storage in deep saline formations. Journal of Petroleum Science and Engineering. volum 129.
2014
- Ashrafi, Mohammad; Souraki, Yaser; Torsæter, Ole. (2014) Investigating the Temperature Dependency of Oil and Water Relative Permeabilities for Heavy Oil Systems. Transport in Porous Media. volum 105.
- Farokhpoor, Raheleh; Lindeberg, Erik Gøsta Brun; Torsæter, Ole; Mørk, Mai Britt Engeness; Mørk, Atle. (2014) Permeability and relative permeability measurements for CO2-brine system at reservoir conditions in low permeable sandstones in Svalbard. Greenhouse Gases: Science and Technology. volum 4 (1).
- Grude, Sissel; Landrø, Martin; White, J. C.; Torsæter, Ole. (2014) CO2 saturation and thickness predictions in the Tubåen Fm., Snøhvit field, from analytical solution and time-lapse seismic data. International Journal of Greenhouse Gas Control. volum 29.
- Hendraningrat, Luky; Torsæter, Ole. (2014) Aluminium Oxides Nanoparticles as Enhance the Oil Recovery - An Experimental Investigation. Conference proceedings. 76th EAGE Conference & Exhibition.
- Hendraningrat, Luky; Torsæter, Ole. (2014) Effects of the initial rock wettability on silica-based nanofluid-enhanced oil recovery processes at reservoir temperatures. Energy & Fuels. volum 28 (10).
- Hendraningrat, Luky; Torsæter, Ole. (2014) Unlocking the Potential of Metal Oxides Nanoparticles to Enhance the Oil Recovery. Offshore Technology Conference-Asia.
- Hendraningrat, Luky; Torsæter, Ole; Souraki, Yaser. (2014) Experimental Investigation of Decalin and Metal Nanoparticles-Assisted Bitumen Upgrading During Catalytic Aquathermolysis. SPE/EAGE European Unconventional Resources Conference and Exhibition.
2013
- Farokhpoor, Raheleh; Bjørkvik, Bård Johan Arnt; Lindeberg, Erik Gøsta Brun; Torsæter, Ole. (2013) CO2 wettability behavior during CO2 sequestration in saline aquifer - An Experimental study on minerals representing sandstone and carbonate. Energy Procedia.
- Farokhpoor, Raheleh; Bjørkvik, Bård Johan Arnt; Lindeberg, Erik Gøsta Brun; Torsæter, Ole. (2013) Wettability behaviour of CO2 at storage conditions. International Journal of Greenhouse Gas Control. volum 12.
- Hadia, Nanji; Ashraf, Adeel; Tweheyo, Medad Twimukye; Torsæter, Ole. (2013) Laboratory investigation on effects of initial wettabilities on performance of low salinity waterflooding. Journal of Petroleum Science and Engineering. volum 105.
- Hendraningrat, Luky; Li, Shidong; Torsæter, Ole. (2013) A Coreflood Investigation of Nanofluid Enhanced Oil Recovery in Low-Medium Permeability Berea Sandstone. International Symposium on Oilfield Chemistry 2013.
- Hendraningrat, Luky; Li, Shidong; Torsæter, Ole. (2013) A coreflood investigation of nanofluid enhanced oil recovery. Journal of Petroleum Science and Engineering. volum 111.
- Hendraningrat, Luky; Li, Shidong; Torsæter, Ole. (2013) Effect of Some Parameters Influencing Enhanced Oil Recovery Process using Silica Nanoparticles: An Experimental Investigation. SPE Reservoir Characterisation and Simulation Conference and Exhibition, 16–18 September, 2013, Abu Dhabi, UAE.
- Hendraningrat, Luky; Li, Shidong; Torsæter, Ole. (2013) Enhancing oil recovery of low-permeability Berea sandstone through optimised nanofluids concentration. 2013 SPE Enhanced Oil Recovery Conference, Jul 02 - 04, 2013 2013, Kuala Lumpur, Malaysia.
- Li, Shidong; Hendraningrat, Luky; Torsæter, Ole. (2013) Improved Oil Recovery by Hydrophilic Silica Nanoparticles Suspension: 2-Phase Flow Experimental Studies. 6th International Petroleum Technology Conference.
- Namani, Mehran; Souraki, Yaser; Høier, Lars; Karimaie, Hassan; Kleppe, Jon; Torsæter, Ole. (2013) Experimental Study of Miscible Hot WAG Injection in Heavy Oil and Slightly Heavy Oil Reservoirs. International Journal of Petroleum Science and Technology. volum 7 (3).
- Soroush, Mansour; Wessel-Berg, Dag; Torsæter, Ole; Kleppe, Jon. (2013) Investigating Impact of Flow Rate and Wettability on Residual Trapping in CO2 Storage in Brine through Relative Permeability Experiments. Energy and Environment Research. volum 3 (2).
- Taheri, Amir; Høier, Lars; Torsæter, Ole. (2013) Miscible and Immiscible Gas Injection for Enhancing of Condensate Recovery in Fractured Gas Condensate Reservoirs. 75th EAGE Conference & Exhibition incorporating SPE EUROPEC 2013, June 10 - 13, 2013, London, United Kingdom.
- Taheri, Amir; Wessel-Berg, Dag; Torsæter, Ole. (2013) Simulation study of density-driven natural convection mechanism in isotropic and anisotropic brine aquifers using a black oil reservoir simulator. Energy Procedia. volum 37.
- Torsæter, Ole. (2013) Tiden er inne for økt utvinning. B-magasinet.
2012
- Afrapoli, Mehdi Shabani; Valipour Shokouhi, Samad; Torsæter, Ole. (2012) Analysis of Microscopic Displacement Mechanisms of a MIOR Process in Porous Media with Different Wettability. Transport in Porous Media. volum 93 (3).
- Ashrafi, Mohammad; Souraki, Yaser; Torsæter, Ole. (2012) Effect of temperature on Athabasca type heavy oil - water relative permeability curves in glass bead packs. Energy and Environment Research. volum 2 (2).
- Hadia, Nanji; Hansen, Tone; Tweheyo, MT; Torsæter, Ole. (2012) Influence of Crude Oil Components on Recovery by High and Low Salinity Waterflooding. Energy & Fuels. volum 26 (7).
- Hendraningrat, Luky; Li, Shidong; Suwarno, Suwarno; Torsæter, Ole. (2012) A glass micromodel experimental study of hydrophilic nanoparticles retention for EOR projects. SPE Russian Oil & Gas Exploration & Production Technical Conference and Exhibition held in Moscow, Russia, 16–18 October 2012.
- Hendraningrat, Luky; Suwarno, Suwarno; Torsæter, Ole. (2012) Improved Oil Recovery by Nanofluids Flooding: An Experimental Study. SPE Kuwait International Petroleum Conference and Exhibition, Kuwait City, Kuwait, Dec 10 - 12, 2012.
- Jahanbani Ghahfarokhi, Ashkan; Jelmert, Tom Aage; Kleppe, Jon; Ashrafi, Mohammad; Souraki, Yaser; Torsæter, Ole. (2012) Investigation of the applicability of thermal well test analysis in steam injection wells for Athabasca heavy oil. 74th EAGE Conference & Exhibition incorporating SPE EUROPEC 2012.
- Landrø, Martin; Torsæter, Ole. (2012) Oljesand, nordsjøloje og CO2. Dagens næringsliv.
- Namani, Mehran; Kleppe, Jon; Høier, Lars; Karimaie, Hassan; Torsæter, Ole. (2012) Analytical Model for Zones Distributions in Non-Horizontal Miscible WAG Injection. Energy and Environment Research. volum 2 (2).
- Shabani Afrapoli, Mehdi; Crescente, Christian Miguel; Li, Shidong; Torsæter, Ole. (2012) Simulation Study of Displacement Mechanisms in Microbial Improved Oil Recovery Experiments. 2012 SPE EOR Conference at Oil and Gas West Asia (OGWA).
- Soroush, Mansour; Wessel-Berg, Dag; Torsæter, Ole; Taheri, Amir; Kleppe, Jon. (2012) Affecting Parameters in Density Driven Convection Mixing in CO2 Storage in Brine. 74th EAGE Conference & Exhibition incorporating SPE EUROPEC 2012.
- Souraki, Yaser; Ashrafi, Mohammad; Karimaie, Hassan; Torsæter, Ole. (2012) Experimental Analyses of Athabasca Bitumen Properties and Field Scale Numerical Simulation Study of Effective Parameters on SAGD Performance. Energy and Environment Research. volum 2 (1).
- Taheri, Amir; Torsæter, Ole; Wessel-Berg, Dag; Soroush, Mansour. (2012) Experimental and simulation studies of density-driven-convection mixing in a Hele-Shaw geometry with application for CO2 sequestration in brine aquifers. 74th EAGE Conference & Exhibition incorporating SPE EUROPEC 2012.
- Taheri, Amir; Wessel-Berg, Dag; Torsæter, Ole; Soroush, Mansour. (2012) The Effects of Anisotropy and Heterogeneity on CO2 Dissolution in Deep Saline Aquifers. 2012 Carbon Management Technology Conference.
- Wu, Jianyang; He, Jianying; Torsæter, Ole; Zhang, Zhiliang. (2012) Effect of Nanoparticles on Oil-Water Flow in a Confined Nanochannel: a Molecular Dynamics Study. SPE International Oilfield Nanotechnology Conference , 12-14 June 2012, Noordwijk, The Netherlands.
2011
- Afrapoli, Mehdi Shabani; Nikooee, E.; Valipour Shokouhi, Samad; Torsæter, Ole. (2011) Experimental and analytical study of microscopic displacement mechanisms of MIOR in porous media. SPE Americas E & P Health, Safety, Security, and Environmental Conference.
- Afrapoli, Mehdi Shabani; Valipour Shokouhi, Samad; Torsæter, Ole. (2011) Fundamental Study of Pore Scale Mechanisms in Microbial Improved Oil Recovery Processes. Transport in Porous Media. volum 90 (3).
- Ashrafi, Mohammad; Souraki, Yaser; Karimaie, Hassan; Torsæter, Ole. (2011) Experimental and numerical study of steam flooding in fractured porous media. 2011 SPE Western North American Regional Meeting.
- Ashrafi, Mohammad; Souraki, Yaser; Karimaie, Hassan; Torsæter, Ole; Bjørkvik, Bård Johan Arnt. (2011) Experimental PVT Property Analyses for Athabasca Bitumen. Proceedings 2011 Canadian Unconventional Resources Conference.
- Ashrafi, Mohammad; Souraki, Yaser; Karimaie, Hassan; Torsæter, Ole; Kleppe, Jon. (2011) Numerical simulation study of SAGD experiment and investigating possibility of solvent co-injection. SPE Enhanced Oil Recovery Conference.
- Ashrafi, Mohammad; Souraki, Yaser; Karimaie, Hassan; Torsæter, Ole; Kleppe, Jon. (2011) Simulation study of 2-D SAGD experiment and sensitivity analysis of laboratory parameters. 2011 SPE Western North American Regional Meeting.
- Ashrafi, Mohammad; Souraki, Yaser; Verås, Tor Jørgen Gjenstad; Karimaie, Hassan; Torsæter, Ole. (2011) Experimental and numerical investigation of steam flooding in heterogeneous porous media containing heavy oil. SPE Asia Pacific Oil and Gas Conference and Exhibition.
- Farokhpoor, Raheleh; Baghbanbashi, T.; Torsæter, Ole; Lindeberg, Erik Gøsta Brun; Mørk, Atle. (2011) Experimental and Simulation Analysis of CO2 Storage in Tight and Fractured Sandstone under Different Stress Conditions (SPE 143589). SPE Enhanced Oil Recovery Conference.
- Hadia, Nanji; Lehne, Håvard Heldal; Kumar, Kanwar Gulshan; Selboe, Kristoffer; Stensen, Jan Åge; Torsæter, Ole. (2011) Laboratory investigation of low salinity waterflooding on reservoir rock samples from the Froy Field. SPE Middle East Oil and Gas Show and Conference.
- Hadia, Nanji; Torsæter, Ole; Tweheyo, Medad Twimukye. (2011) Laboratory Investigation on Wettability Alteration: Impact on Low Salinity Waterflooding Performance. 16th Europeen Symposium on Improved Oil Recovery.
- Polak, Szczepan; Cinar, Yildiray; Holt, Torleif; Torsæter, Ole. (2011) An experimental investigation of the balance between capillary, viscous, and gravitational forces during CO2 injection into saline aquifers. Energy Procedia. volum 4.
- Souraki, Yaser; Ashrafi, Mohammad; Karimaie, Hassan; Torsæter, Ole. (2011) Experimental investigation and numerical simulation of steam flooding in heavy oil fractured reservoir. 2011 SPE Western North American Regional Meeting.
2010
- Karimaie, Hassan; Torsæter, Ole. (2010) Low IFT gas-oil gravity drainage in fractured carbonate porous media. Journal of Petroleum Science and Engineering. volum 70 (1-2).
2009
- Afrapoli, Mehdi Shabani; Crescente, Christian Miguel; Alipour, Samaneh; Torsæter, Ole. (2009) The effect of bacterial solution on the wettability index and residual oil saturation in sandstone. Journal of Petroleum Science and Engineering. volum 69 (3-4).
2008
- Karimaie, Hassan; Darvish, Gholam Reza; Lindeberg, Erik Gøsta Brun; Torsæter, Ole. (2008) Secondary and tertiary gas injection in fractured carbonate rock: Experimental study. Journal of Petroleum Science and Engineering. volum 62 (1-2).
2007
- Karimaie, Hassan; Torsæter, Ole. (2007) Effect of injection rate, initial water saturation and gravity on water injection in slightly water-wet fractured porous media. Journal of Petroleum Science and Engineering. volum 58.
2006
- Crescente, Christian Miguel; Torsæter, Ole; Hultmann, Lisbeth; Strøm, Arne Reidar; Rasmussen, Kjetil; Kowalewski, Espen. (2006) An experimental study of driving mechanisms in MIOR processes by using Rhodococcus sp. 094. Fifteenth SPE/DOE Improved Oil Recovery Symposium - Old Reservoirs New Tricks - A Global Perspective.
- Karimaie, Hassan; Torsæter, Ole; Esfahani, M.R.; Dadashpour, Mohsen; Hashemi, S.M.. (2006) Experimental investigation of oil recovery during water imbibition. Journal of Petroleum Science and Engineering. volum 52.
- Kotlar, H.K.; Haavind, F.; Springer, M.; Bekkelund, S.S.; Moen, Arild; Torsæter, Ole. (2006) Encouraging results with a new environmentally acceptable, oil-soluble chemical for sand consolidation. From laboratory experiments to field application. Society of Petroleum Engineers. 2006. ISBN 0000000000.
- Kowalewski, Espen; Rueslåtten, Ingun; Steen, Kristel Skorge; Bødtker, Gunhild; Torsæter, Ole. (2006) Microbial improved oil recovery - bacterial induced wettability and interfacial tension effects on oil production. Journal of Petroleum Science and Engineering. volum 52 (1-4).
- Lackner, Alf Sebastian; Torsæter, Ole. (2006) Effects of pressure and wettability on residual phase saturation in sandstone rock. Journal of Petroleum Science and Engineering. volum 52.
2005
- Crescente, Christian; Rasmussen, Kjetil; Torsæter, Ole; Strøm, Arne; Kowalewski, Espen. (2005) An experimental study of microbial improved oil recovery by using Rhodococcus Sp.094. 2005 International Symposium of the Society of Core Analysts.
- Karimaie, Hassan; Torsæter, Ole; Esfahani, M.R.. (2005) Oil recovery by water imbibition in Asmari fractured rock. 2005 International Symposium of the Society of Core Analysts.
- Kotlar, H.K.; Haavind, F.; Springer, M.; Bekkelund, S.S.; Torsæter, Ole. (2005) A new concept of chemical sand consolidation. From idea and laboratory qualification to field application. ATCE 2005: Proceedings: SPE Annual Technical Conference and Exhibition, 9-12 October 2005, Dallas Convention Center (elektronisk ressurs).
- Lackner, Alf Sebastian; Haaskjold, Geir; Torsæter, Ole. (2005) Selecting energy levels for three-phase saturation measurements. IX LACPEC: Proceedings: Latin American and the Caribbean Petroleum Engineering Conference, June 20-23, 2005, Rio de Janeiro, Brazil (elektronisk ressurs).
- Lackner, Alf Sebastian; Torsæter, Ole. (2005) Improved procedure for calculating unsteady-state relative permeability. Proceedings; 13th European Symposium on Improved Oil Recovery, 2005.
- Lackner, Alf Sebastian; Torsæter, Ole. (2005) Phase pressure measurements: Simultaneous and direct derivation of relative permeability and dynamic capillary pressure. 2005 International Symposium of the Society of Core Analysts.
- Tweheyo, Medad Twimukye; Lackner, Alf Sebastian; Andersen, Guro Kristine; Ringen, Jon Knut; Torsæter, Ole. (2005) Pore characterisation and scaling mini-permeability and CT-scan porosity of carbonate cores. 2005 International Symposium of the Society of Core Analysts.
2004
- Talukdar, M.S.; Torsæter, Ole; Howard, J.J.. (2004) Stochastic reconstruction of chalk samples containing vuggy porosity using a conditional simulated annealing technique. Transport in Porous Media. volum 57.
2003
- Kowalewski, Espen; Boassen, T.; Torsæter, Ole. (2003) Wettability alterations due to aging in crude oil; wettability and Cryo-ESEM analyses. Journal of Petroleum Science and Engineering. volum 39.
2002
- Kowalewski, Espen; Holt, Torleif; Torsæter, Ole. (2002) Wettability alterations due to an oil soluble additive. Journal of Petroleum Science and Engineering. volum 33.
- Talukdar, Md. Saifullah; Torsæter, Ole. (2002) Reconstruction of Chalk Pore Networks from 2D Back Scatter Electron Micrographs Using A Simulated Annealing Technique. Journal of Petroleum Science and Engineering. volum 33.
- Talukdar, Md. Saifullah; Torsæter, Ole; Ioannidis, M.A.. (2002) Stochastic Reconstruction of Particulate Media from 2D Images. Journal of Colloid and Interface Science. volum 248.
- Talukdar, Md. Saifullah; Torsæter, Ole; Ioannidis, M.A.; Howard, J.J.. (2002) Stochastic Reconstruction of Chalk from 2D Images. Transport in Porous Media. volum 48.
- Talukdar, Md. Saifullah; Torsæter, Ole; Ioannidis, M.A.; Howard, J.J.. (2002) Stochastic Reconstruction, 3D Characterization and Network Modeling of Chalk. Journal of Petroleum Science and Engineering. volum 35.
2001
- Talukdar, Md. Saifullah; Banu, Hoshne Ara; Torsæter, Ole; Kleppe, Jon. (2001) Introducing Up-Scaling Techniques in Fractured Reservoir Simulation. Nordic petroleum technology series.
2000
- Jelmert, Tom Aage; Selseng, H.; Torsæter, Ole. (2000) Technique Characterizes Permeability of Stress-Sensitive Reservoirs. Oil & Gas Journal.
- Talukdar, M.S.; Banu, H.A.; Torsæter, Ole; Kleppe, Jon. (2000) Introducing Up-Scaling Techniques in Fractured Reservoir Simulation. Nordic Petroleum Series.
- Talukdar, Saifullah; Torsæter, Ole. (2000) Reconstruction of Chalk Media from 2D SEM Images Using A Simulated Annealing Technique. Dialog.
1999
- Tweheyo, M.T.; Holt, T.; Torsæter, Ole. (1999) An experimental study of the relationship between wettability and oil production characteristics. Journal of Petroleum Science and Engineering. volum 24 (Des.).
1998
- Alveskog, P.L.; Holt, Torleif; Torsæter, Ole. (1998) The effect of surfactant concentration on the Amott wettability index and residual oil saturation. Journal of Petroleum Science and Engineering. volum 20.
1995
- Senneset, Kåre Gunnar; Torsæter, Ole; Lone, S.; Wiig, T.. (1995) Two-phase flow and permeability of oil in porous media. Geoenvironment 2000.
- Zhou, Xian-min; Torsæter, Ole; Xie, Xina; Morrow, N.R.. (1995) The effect of crude-oil aging time and temperature on the rate of water imbibition and long-term recovery by imbibition. SPE Formation Evaluation. volum 104 (4).
1994
- Aasen, Jan Ole; Aasen, J.O.; Berg, E; Berg, E.; Buller, A.T.; Hjelmeland, O.; Holt, Rune Martin; Kleppe, Jon; Torsæter, Ole. (1994) North Sea Oil & Gas Reservoirs - III. Kluwer Academic Publishers. 1994. ISBN 0-7923-2304-1.
- Hjelmeland, Odd; Torsæter, Ole. (1994) Coring and core analysis. 1994.
- Torsæter, Ole; Abtahi, Manoocher. (1994) Experimental reservoir engineering laboratory workbook. 1994.
1993
- Torsæter, Ole; Munkerud, Per Kristian. (1993) Strømning av nærkritiske hydrokarboner i porøst medium. 1993. IPT (11/93).
1992
- Torsæter, Ole. (1992) Rock properties. Fluid-rock interactions. Recent Advances in Improved Oil Recovery Methods for North Sea Sandstone Reservoirs.
1990
- Buller, Anthony T.; Berg, Eivind; Hjelmeland, Odd; Kleppe, Jon; Torsæter, Ole; Aasen, Jan Ole. (1990) North Sea Oil & Gas Reservoirs - II. Kluwer Academic Publishers. 1990. ISBN 1853337986.
1987
- Kleppe, Jon; Buller, Anthony T.; Berg, Eivind; Hjelmeland, Odd; Torsæter, Ole. (1987) North Sea Oil & Gas Reservoirs - I. Kluwer Academic Publishers. 1987. ISBN 1853337986.
- Torsæter, Ole; Kleppe, Jon; van Golf-Racht, Teodor. (1987) Multi-Phase Flow in Fractured Reservoirs. Advances in Transport Phenomena in Porous Media.
Journal publications
- Arab, Danial; Bryant, Steven L.; Torsæter, Ole; Englezos, Peter; Gopaluni, Bhushan; Kantzas, Apostolos. (2022) Elucidation of the mechanistic aspects of chemical EOR in viscous oil systems. Journal of Petroleum Science and Engineering. volum 216 (110846).
- Arab, Danial; Bryant, Steven L.; Torsæter, Ole; Kantzas, Apostolos. (2022) Water flooding of sandstone oil reservoirs: Underlying mechanisms in imbibition vs. drainage displacement. Journal of Petroleum Science and Engineering. volum 213.
- Bila, Alberto Luis; Stensen, Jan Åge; Torsæter, Ole. (2022) Polymer-Coated Silica Nanoparticles for Enhanced Oil Recovery in Water-Wet Berea Sandstone Core Plugs. Advances in Science, Technology & Innovation (ASTI).
- Safarzadeh, Shirin; Bila, Alberto Luis; Torsæter, Ole. (2022) Experimental Investigation of the Effect of Silica Nanoparticles on Interfacial Tension and Wettability during Low Salinity Water Flooding: A Micromodel Study. Journal of Modern Nanotechnology. volum 2 (1).
- Arab, Danial; Kantzas, Apostolos; Torsæter, Ole; Akarri, Salem Saeed Fadhl; Bryant, Steven L.. (2021) A Crucial Role of the Applied Capillary Pressure in Drainage Displacement. SPE Journal. volum 26 (04).
- Bila, Alberto Luis; Torsæter, Ole. (2021) Experimental investigation of polymer-coated silica nanoparticles for EOR under harsh reservoir conditions of high temperature and salinity. Nanomaterials. volum 11 (765).
- Egbe, Daniel Isong Otu; Jahanbani Ghahfarokhi, Ashkan; Nait Amar, Menad; Torsæter, Ole. (2021) Application of Low-Salinity Waterflooding in Carbonate Cores: A Geochemical Modeling Study. Natural Resources Research. volum 30 (1).
- Hadia, Nanji; Ng, Yeap Hung; Stubbs, Ludger P.; Torsæter, Ole. (2021) High salinity and high temperature stable colloidal silica nanoparticles with wettability alteration ability for EOR application. Nanomaterials. volum 11 (707).
- Li, Shidong; Sng, Anqi; Daniel, Dan; Lau, Hon Chung; Torsæter, Ole; Stubbs, Ludger P.. (2021) Visualizing and Quantifying Wettability Alteration by Silica Nanofluids. ACS Applied Materials & Interfaces. volum 13.
- Ng, Cuthbert Shang Wui; Jahanbani Ghahfarokhi, Ashkan; Nait Amar, Menad; Torsæter, Ole. (2021) Smart Proxy Modeling of a Fractured Reservoir Model for Production Optimization: Implementation of Metaheuristic Algorithm and Probabilistic Application. Natural Resources Research. volum 30 (3).
- Taheri, Amir; Torsæter, Ole; Lindeberg, Erik Gøsta Brun; Hadia, Nanji; Wessel-Berg, Dag. (2021) Effect of convective mixing process on storage of CO2 in saline aquifers with layered permeability. Advances in Chemical Research. volum 3 (1).
- Torsæter, Ole. (2021) Application of nanoparticles for oil recovery. Nanomaterials. volum 11 (1063).
- Aadland, Reidun Cecilie Grønfur; Akarri, Salem Saeed Fadhl; Heggset, Ellinor Bævre; Syverud, Kristin; Torsæter, Ole. (2020) A core flood and microfluidics investigation of nanocellulose as a chemical additive to water flooding for EOR. Nanomaterials. volum 10 (7).
- Bedeaux, Dick; Flekkøy, Eirik Grude; Hansen, Alex; Måløy, Knut Jørgen; Kjelstrup, Signe; Torsæter, Ole. (2020) Editorial: Physics of Porous Media. Frontiers in Physics. volum 8.
- Bila, Alberto Luis; Stensen, Jan Åge; Torsæter, Ole. (2020) Polymer-functionalized silica nanoparticles for improving water flood sweep efficiency in Berea sandstones. E3S Web of Conferences. volum 146 (02001).
- Bila, Alberto Luis; Torsæter, Ole. (2020) Enhancing oil recovery with hydrophilic polymer-coated silica nanoparticles. Energies. volum 13 (21).
- Gjengedal, Sondre; Brøtan, Vegard; Buset, Ole Tore; Larsen, Erik; Åsebø Berg, Olav; Torsæter, Ole; Ramstad, Randi Kalskin; Hilmo, Bernt Olav; Frengstad, Bjørn. (2020) Fluid flow through 3D-printed particle beds: a new technique for understanding, validating, and improving predictability of permeability from empirical equations. Transport in Porous Media. volum 134.
- Li, Shidong; Ng, Yeap Hung; Lau, Hon Chung; Torsæter, Ole; Stubbs, Ludger P.. (2020) Experimental investigation of stability of silica nanoparticles at reservoir conditions for enhanced oil-recovery applications. Nanomaterials. volum 10 (1522).
- Nourani, Meysam; Tichelkamp, Thomas; Hosseinzade Khanamiri, Hamid; Johansen, Trine; Hov, Ingrid Karlsen; Gawel, Bartlomiej; Torsæter, Ole; Øye, Gisle. (2020) Dynamic wettability alteration for combined low salinity brine injection and surfactant flooding on silica surface. SN Applied Sciences. volum 2.
- Omran, Mohamed Ahmed Fathy Abdelshafy; Akarri, Salem Saeed Fadhl; Torsæter, Ole. (2020) The effect of wettability and flow rate on oil displacement using polymer-coated silica nanoparticles: A microfluidic study. Processes. volum 8 (8).
- Rueda, Edgar; Akarri, Salem Saeed Fadhl; Torsæter, Ole; Moreno, Rosangela B.Z.L.. (2020) Experimental investigation of the effect of adding nanoparticles to polymer flooding in water-wet micromodels. Nanomaterials. volum 10 (1489).
- Zhang, Jingya; Liu, Guangdi; Torsæter, Ole; Tao, Shizhen; Jiang, Mengya; Li, Guohui; Zhang, Shixiang. (2020) Pore throat structure characteristics and its effect on flow behavior in Gaotaizi tight siltstone reservoir, Northern Songliao Basin. Marine and Petroleum Geology. volum 122 (104651).
- Aadland, Reidun Cecilie Grønfur; Jakobsen, Trygve Dagsloth; Heggset, Ellinor Bævre; Long-Sanouiller, Haili; Simon, Sebastien Charles; Paso, Kristofer Gunnar; Syverud, Kristin; Torsæter, Ole. (2019) High-Temperature Core Flood Investigation of Nanocellulose as a Green Additive for Enhanced Oil Recovery. Nanomaterials. volum 9 (665).
- Bila, Alberto Luis; Stensen, Jan Åge; Torsæter, Ole. (2019) Experimental Investigation of Polymer-Coated Silica Nanoparticles for Enhanced Oil Recovery. Nanomaterials. volum 9 (822).
- Cheng, Xiaoqian; Kleppe, Jon; Torsæter, Ole. (2019) Simulation study of surfactant injection in a fractured core. Journal of Petroleum Exploration and Production Technology. volum 9 (4).
- Li, Shidong; Torsæter, Ole; Lau, Hon Chung; Hadia, Nanji; Stubbs, Ludger P.. (2019) The Impact of Nanoparticle Adsorption on Transport and Wettability Alteration in Water-Wet Berea Sandstone: An Experimental Study. Frontiers in Physics. volum 7 (74).
- Najafiazar, Bahador; Wessel-Berg, Dag; Bergmo, Per Eirik Strand; Simon, Christian; Yang, Juan; Torsæter, Ole; Holt, Torleif. (2019) Polymer Gels Made with Functionalized Organo-Silica Nanomaterials for Conformance Control. Energies. volum 12 (19).
- Aadland, Reidun Cecilie Grønfur; Dziuba, Carter Jordan; Heggset, Ellinor Bævre; Syverud, Kristin; Torsæter, Ole; Holt, Torleif; Gates, Ian D.; Bryant, Steven. (2018) Identification of Nanocellulose Retention Characteristics in Porous Media. Nanomaterials. volum 8 (7).
- Hosseinzade Khanamiri, Hamid; Berg, Carl Fredrik; Slotte, Per Arne; Schlüter, Steffen; Torsæter, Ole. (2018) Description of Free Energy for Immiscible Two‐Fluid Flow in Porous Media by Integral Geometry and Thermodynamics. Water Resources Research. volum 54 (11).
- Hosseinzade Khanamiri, Hamid; Torsæter, Ole. (2018) Fluid Topology in Pore Scale Two‐Phase Flow Imaged by Synchrotron X‐ray Microtomography. Water Resources Research. volum 54 (3).
- Taheri, Amir; Torsæter, Ole; Lindeberg, Erik Gøsta Brun; Hadia, Nanji; Wessel-Berg, Dag. (2018) Qualitative and quantitative experimental study of convective mixing process during storage of CO2 in heterogeneous saline aquifers. International Journal of Greenhouse Gas Control. volum 71.
- Wang, Xiao; Zhang, Zhiliang; Torsæter, Ole; He, Jianying. (2018) Atomistic insights into the nanofluid transport through an ultra-confined capillary. Physical Chemistry, Chemical Physics - PCCP. volum 20 (7).
- Taheri, Amir; Lindeberg, Erik Gøsta Brun; Torsæter, Ole; Wessel-Berg, Dag. (2017) Qualitative and quantitative experimental study of convective mixing process during storage of CO2 in homogeneous saline aquifers. International Journal of Greenhouse Gas Control. volum 66.
- Hosseinzade Khanamiri, Hamid; Enge, Ida Baltzersen; Nourani, Meysam; Stensen, Jan Åge; Torsæter, Ole; Hadia, Nanji. (2016) EOR by Low Salinity Water and Surfactant at Low Concentration: Impact of Injection and in Situ Brine Composition. Energy & Fuels. volum 30 (4).
- Hosseinzade Khanamiri, Hamid; Nourani, Meysam; Tichelkamp, Thomas; Stensen, Jan Åge; Øye, Gisle; Torsæter, Ole. (2016) Low-Salinity-Surfactant Enhanced Oil Recovery (EOR) with a New Surfactant Blend: Effect of Calcium Cations. Energy & Fuels. volum 30 (2).
- Hosseinzade Khanamiri, Hamid; Torsæter, Ole; Stensen, Jan Åge. (2016) Effect of calcium in pore scale oil trapping by low-salinity water and surfactant enhanced oil recovery at strongly water-wet conditions: in situ imaging by X-ray microtomography. Energy & Fuels. volum 30 (10).
- Jahanbani Ghahfarokhi, Ashkan; Shadizadeh, Seyed Reza; Jelmert, Tom Aage; Torsæter, Ole; Moradi, Mahdis. (2016) Case Study: Performance Prediction of a Horizontal Well in a Fractured Reservoir. International Journal of Engineering Trends and Technology. volum 40 (2).
- Souraki, Yaser; Ashrafi, Mohammad; Torsæter, Ole. (2016) Experimental investigation and comparison of thermal processes: SAGD, E-SAGD and SAS. International Journal of Engineering Trends and Technology. volum 31 (2).
- Tichelkamp, Thomas; Hosseinzade Khanamiri, Hamid; Nourani, Meysam; Stensen, Jan Åge; Torsæter, Ole; Øye, Gisle. (2016) EOR Potential of Mixed Alkylbenzenesulfonate Surfactant at Low Salinity and the Effect of Calcium on "optimal Ionic Strength". Energy & Fuels. volum 30 (4).
- Hendraningrat, Luky; Torsæter, Ole. (2015) A Stabilizer that Enhances the Oil Recovery Process Using Silica-Based Nanofluids. Transport in Porous Media. volum 108 (3).
- Hendraningrat, Luky; Torsæter, Ole. (2015) A study of water chemistry extends the benefits of using silica-based nanoparticles on enhanced oil recovery. Applied Nanoscience.
- Hendraningrat, Luky; Torsæter, Ole. (2015) Metal oxide-based nanoparticles: revealing their potential to enhance oil recovery in different wettability systems. Applied Nanoscience. volum 5 (2).
- Polak, Szczepan; Cinar, Yildiray; Holt, Torleif; Torsæter, Ole. (2015) Use of low-and high-IFT fluid systems in experimental and numerical modelling of systems that mimic CO2 storage in deep saline formations. Journal of Petroleum Science and Engineering. volum 129.
- Ashrafi, Mohammad; Souraki, Yaser; Torsæter, Ole. (2014) Investigating the Temperature Dependency of Oil and Water Relative Permeabilities for Heavy Oil Systems. Transport in Porous Media. volum 105.
- Farokhpoor, Raheleh; Lindeberg, Erik Gøsta Brun; Torsæter, Ole; Mørk, Mai Britt Engeness; Mørk, Atle. (2014) Permeability and relative permeability measurements for CO2-brine system at reservoir conditions in low permeable sandstones in Svalbard. Greenhouse Gases: Science and Technology. volum 4 (1).
- Grude, Sissel; Landrø, Martin; White, J. C.; Torsæter, Ole. (2014) CO2 saturation and thickness predictions in the Tubåen Fm., Snøhvit field, from analytical solution and time-lapse seismic data. International Journal of Greenhouse Gas Control. volum 29.
- Hendraningrat, Luky; Torsæter, Ole. (2014) Effects of the initial rock wettability on silica-based nanofluid-enhanced oil recovery processes at reservoir temperatures. Energy & Fuels. volum 28 (10).
- Farokhpoor, Raheleh; Bjørkvik, Bård Johan Arnt; Lindeberg, Erik Gøsta Brun; Torsæter, Ole. (2013) CO2 wettability behavior during CO2 sequestration in saline aquifer - An Experimental study on minerals representing sandstone and carbonate. Energy Procedia.
- Farokhpoor, Raheleh; Bjørkvik, Bård Johan Arnt; Lindeberg, Erik Gøsta Brun; Torsæter, Ole. (2013) Wettability behaviour of CO2 at storage conditions. International Journal of Greenhouse Gas Control. volum 12.
- Hadia, Nanji; Ashraf, Adeel; Tweheyo, Medad Twimukye; Torsæter, Ole. (2013) Laboratory investigation on effects of initial wettabilities on performance of low salinity waterflooding. Journal of Petroleum Science and Engineering. volum 105.
- Hendraningrat, Luky; Li, Shidong; Torsæter, Ole. (2013) A coreflood investigation of nanofluid enhanced oil recovery. Journal of Petroleum Science and Engineering. volum 111.
- Namani, Mehran; Souraki, Yaser; Høier, Lars; Karimaie, Hassan; Kleppe, Jon; Torsæter, Ole. (2013) Experimental Study of Miscible Hot WAG Injection in Heavy Oil and Slightly Heavy Oil Reservoirs. International Journal of Petroleum Science and Technology. volum 7 (3).
- Soroush, Mansour; Wessel-Berg, Dag; Torsæter, Ole; Kleppe, Jon. (2013) Investigating Impact of Flow Rate and Wettability on Residual Trapping in CO2 Storage in Brine through Relative Permeability Experiments. Energy and Environment Research. volum 3 (2).
- Taheri, Amir; Wessel-Berg, Dag; Torsæter, Ole. (2013) Simulation study of density-driven natural convection mechanism in isotropic and anisotropic brine aquifers using a black oil reservoir simulator. Energy Procedia. volum 37.
- Torsæter, Ole. (2013) Tiden er inne for økt utvinning. B-magasinet.
- Afrapoli, Mehdi Shabani; Valipour Shokouhi, Samad; Torsæter, Ole. (2012) Analysis of Microscopic Displacement Mechanisms of a MIOR Process in Porous Media with Different Wettability. Transport in Porous Media. volum 93 (3).
- Ashrafi, Mohammad; Souraki, Yaser; Torsæter, Ole. (2012) Effect of temperature on Athabasca type heavy oil - water relative permeability curves in glass bead packs. Energy and Environment Research. volum 2 (2).
- Hadia, Nanji; Hansen, Tone; Tweheyo, MT; Torsæter, Ole. (2012) Influence of Crude Oil Components on Recovery by High and Low Salinity Waterflooding. Energy & Fuels. volum 26 (7).
- Landrø, Martin; Torsæter, Ole. (2012) Oljesand, nordsjøloje og CO2. Dagens næringsliv.
- Namani, Mehran; Kleppe, Jon; Høier, Lars; Karimaie, Hassan; Torsæter, Ole. (2012) Analytical Model for Zones Distributions in Non-Horizontal Miscible WAG Injection. Energy and Environment Research. volum 2 (2).
- Souraki, Yaser; Ashrafi, Mohammad; Karimaie, Hassan; Torsæter, Ole. (2012) Experimental Analyses of Athabasca Bitumen Properties and Field Scale Numerical Simulation Study of Effective Parameters on SAGD Performance. Energy and Environment Research. volum 2 (1).
- Afrapoli, Mehdi Shabani; Valipour Shokouhi, Samad; Torsæter, Ole. (2011) Fundamental Study of Pore Scale Mechanisms in Microbial Improved Oil Recovery Processes. Transport in Porous Media. volum 90 (3).
- Polak, Szczepan; Cinar, Yildiray; Holt, Torleif; Torsæter, Ole. (2011) An experimental investigation of the balance between capillary, viscous, and gravitational forces during CO2 injection into saline aquifers. Energy Procedia. volum 4.
- Karimaie, Hassan; Torsæter, Ole. (2010) Low IFT gas-oil gravity drainage in fractured carbonate porous media. Journal of Petroleum Science and Engineering. volum 70 (1-2).
- Afrapoli, Mehdi Shabani; Crescente, Christian Miguel; Alipour, Samaneh; Torsæter, Ole. (2009) The effect of bacterial solution on the wettability index and residual oil saturation in sandstone. Journal of Petroleum Science and Engineering. volum 69 (3-4).
- Karimaie, Hassan; Darvish, Gholam Reza; Lindeberg, Erik Gøsta Brun; Torsæter, Ole. (2008) Secondary and tertiary gas injection in fractured carbonate rock: Experimental study. Journal of Petroleum Science and Engineering. volum 62 (1-2).
- Karimaie, Hassan; Torsæter, Ole. (2007) Effect of injection rate, initial water saturation and gravity on water injection in slightly water-wet fractured porous media. Journal of Petroleum Science and Engineering. volum 58.
- Karimaie, Hassan; Torsæter, Ole; Esfahani, M.R.; Dadashpour, Mohsen; Hashemi, S.M.. (2006) Experimental investigation of oil recovery during water imbibition. Journal of Petroleum Science and Engineering. volum 52.
- Kowalewski, Espen; Rueslåtten, Ingun; Steen, Kristel Skorge; Bødtker, Gunhild; Torsæter, Ole. (2006) Microbial improved oil recovery - bacterial induced wettability and interfacial tension effects on oil production. Journal of Petroleum Science and Engineering. volum 52 (1-4).
- Lackner, Alf Sebastian; Torsæter, Ole. (2006) Effects of pressure and wettability on residual phase saturation in sandstone rock. Journal of Petroleum Science and Engineering. volum 52.
- Talukdar, M.S.; Torsæter, Ole; Howard, J.J.. (2004) Stochastic reconstruction of chalk samples containing vuggy porosity using a conditional simulated annealing technique. Transport in Porous Media. volum 57.
- Kowalewski, Espen; Boassen, T.; Torsæter, Ole. (2003) Wettability alterations due to aging in crude oil; wettability and Cryo-ESEM analyses. Journal of Petroleum Science and Engineering. volum 39.
- Kowalewski, Espen; Holt, Torleif; Torsæter, Ole. (2002) Wettability alterations due to an oil soluble additive. Journal of Petroleum Science and Engineering. volum 33.
- Talukdar, Md. Saifullah; Torsæter, Ole. (2002) Reconstruction of Chalk Pore Networks from 2D Back Scatter Electron Micrographs Using A Simulated Annealing Technique. Journal of Petroleum Science and Engineering. volum 33.
- Talukdar, Md. Saifullah; Torsæter, Ole; Ioannidis, M.A.. (2002) Stochastic Reconstruction of Particulate Media from 2D Images. Journal of Colloid and Interface Science. volum 248.
- Talukdar, Md. Saifullah; Torsæter, Ole; Ioannidis, M.A.; Howard, J.J.. (2002) Stochastic Reconstruction of Chalk from 2D Images. Transport in Porous Media. volum 48.
- Talukdar, Md. Saifullah; Torsæter, Ole; Ioannidis, M.A.; Howard, J.J.. (2002) Stochastic Reconstruction, 3D Characterization and Network Modeling of Chalk. Journal of Petroleum Science and Engineering. volum 35.
- Talukdar, Md. Saifullah; Banu, Hoshne Ara; Torsæter, Ole; Kleppe, Jon. (2001) Introducing Up-Scaling Techniques in Fractured Reservoir Simulation. Nordic petroleum technology series.
- Jelmert, Tom Aage; Selseng, H.; Torsæter, Ole. (2000) Technique Characterizes Permeability of Stress-Sensitive Reservoirs. Oil & Gas Journal.
- Talukdar, M.S.; Banu, H.A.; Torsæter, Ole; Kleppe, Jon. (2000) Introducing Up-Scaling Techniques in Fractured Reservoir Simulation. Nordic Petroleum Series.
- Talukdar, Saifullah; Torsæter, Ole. (2000) Reconstruction of Chalk Media from 2D SEM Images Using A Simulated Annealing Technique. Dialog.
- Tweheyo, M.T.; Holt, T.; Torsæter, Ole. (1999) An experimental study of the relationship between wettability and oil production characteristics. Journal of Petroleum Science and Engineering. volum 24 (Des.).
- Alveskog, P.L.; Holt, Torleif; Torsæter, Ole. (1998) The effect of surfactant concentration on the Amott wettability index and residual oil saturation. Journal of Petroleum Science and Engineering. volum 20.
- Zhou, Xian-min; Torsæter, Ole; Xie, Xina; Morrow, N.R.. (1995) The effect of crude-oil aging time and temperature on the rate of water imbibition and long-term recovery by imbibition. SPE Formation Evaluation. volum 104 (4).
Report/dissertation
- Torsæter, Ole; Abtahi, Manoocher. (1994) Experimental reservoir engineering laboratory workbook. 1994.
- Torsæter, Ole; Munkerud, Per Kristian. (1993) Strømning av nærkritiske hydrokarboner i porøst medium. 1993. IPT (11/93).
Part of book/report
- Li, Shidong; Lau, Hon Chung; Torsæter, Ole; Hendraningrat, Luky; Temizel, Cenk. (2021) Nanoparticles for enhanced oil recovery. Sustainable materials for oil and gas application.
- Torsæter, Ole; Berland, Harald. (2017) Microbial Methods. JCR-7 Monograph: North Sea Chalk.
- Torsæter, Ole; Fjelde, Ingebret. (2017) Multiphase Flow Parameters. JCR-7 Monograph: North Sea Chalk.
- Hendraningrat, Luky; Torsæter, Ole. (2014) Aluminium Oxides Nanoparticles as Enhance the Oil Recovery - An Experimental Investigation. Conference proceedings. 76th EAGE Conference & Exhibition.
- Hendraningrat, Luky; Torsæter, Ole. (2014) Unlocking the Potential of Metal Oxides Nanoparticles to Enhance the Oil Recovery. Offshore Technology Conference-Asia.
- Hendraningrat, Luky; Torsæter, Ole; Souraki, Yaser. (2014) Experimental Investigation of Decalin and Metal Nanoparticles-Assisted Bitumen Upgrading During Catalytic Aquathermolysis. SPE/EAGE European Unconventional Resources Conference and Exhibition.
- Hendraningrat, Luky; Li, Shidong; Torsæter, Ole. (2013) A Coreflood Investigation of Nanofluid Enhanced Oil Recovery in Low-Medium Permeability Berea Sandstone. International Symposium on Oilfield Chemistry 2013.
- Hendraningrat, Luky; Li, Shidong; Torsæter, Ole. (2013) Effect of Some Parameters Influencing Enhanced Oil Recovery Process using Silica Nanoparticles: An Experimental Investigation. SPE Reservoir Characterisation and Simulation Conference and Exhibition, 16–18 September, 2013, Abu Dhabi, UAE.
- Hendraningrat, Luky; Li, Shidong; Torsæter, Ole. (2013) Enhancing oil recovery of low-permeability Berea sandstone through optimised nanofluids concentration. 2013 SPE Enhanced Oil Recovery Conference, Jul 02 - 04, 2013 2013, Kuala Lumpur, Malaysia.
- Li, Shidong; Hendraningrat, Luky; Torsæter, Ole. (2013) Improved Oil Recovery by Hydrophilic Silica Nanoparticles Suspension: 2-Phase Flow Experimental Studies. 6th International Petroleum Technology Conference.
- Taheri, Amir; Høier, Lars; Torsæter, Ole. (2013) Miscible and Immiscible Gas Injection for Enhancing of Condensate Recovery in Fractured Gas Condensate Reservoirs. 75th EAGE Conference & Exhibition incorporating SPE EUROPEC 2013, June 10 - 13, 2013, London, United Kingdom.
- Hendraningrat, Luky; Li, Shidong; Suwarno, Suwarno; Torsæter, Ole. (2012) A glass micromodel experimental study of hydrophilic nanoparticles retention for EOR projects. SPE Russian Oil & Gas Exploration & Production Technical Conference and Exhibition held in Moscow, Russia, 16–18 October 2012.
- Hendraningrat, Luky; Suwarno, Suwarno; Torsæter, Ole. (2012) Improved Oil Recovery by Nanofluids Flooding: An Experimental Study. SPE Kuwait International Petroleum Conference and Exhibition, Kuwait City, Kuwait, Dec 10 - 12, 2012.
- Jahanbani Ghahfarokhi, Ashkan; Jelmert, Tom Aage; Kleppe, Jon; Ashrafi, Mohammad; Souraki, Yaser; Torsæter, Ole. (2012) Investigation of the applicability of thermal well test analysis in steam injection wells for Athabasca heavy oil. 74th EAGE Conference & Exhibition incorporating SPE EUROPEC 2012.
- Shabani Afrapoli, Mehdi; Crescente, Christian Miguel; Li, Shidong; Torsæter, Ole. (2012) Simulation Study of Displacement Mechanisms in Microbial Improved Oil Recovery Experiments. 2012 SPE EOR Conference at Oil and Gas West Asia (OGWA).
- Soroush, Mansour; Wessel-Berg, Dag; Torsæter, Ole; Taheri, Amir; Kleppe, Jon. (2012) Affecting Parameters in Density Driven Convection Mixing in CO2 Storage in Brine. 74th EAGE Conference & Exhibition incorporating SPE EUROPEC 2012.
- Taheri, Amir; Torsæter, Ole; Wessel-Berg, Dag; Soroush, Mansour. (2012) Experimental and simulation studies of density-driven-convection mixing in a Hele-Shaw geometry with application for CO2 sequestration in brine aquifers. 74th EAGE Conference & Exhibition incorporating SPE EUROPEC 2012.
- Taheri, Amir; Wessel-Berg, Dag; Torsæter, Ole; Soroush, Mansour. (2012) The Effects of Anisotropy and Heterogeneity on CO2 Dissolution in Deep Saline Aquifers. 2012 Carbon Management Technology Conference.
- Wu, Jianyang; He, Jianying; Torsæter, Ole; Zhang, Zhiliang. (2012) Effect of Nanoparticles on Oil-Water Flow in a Confined Nanochannel: a Molecular Dynamics Study. SPE International Oilfield Nanotechnology Conference , 12-14 June 2012, Noordwijk, The Netherlands.
- Afrapoli, Mehdi Shabani; Nikooee, E.; Valipour Shokouhi, Samad; Torsæter, Ole. (2011) Experimental and analytical study of microscopic displacement mechanisms of MIOR in porous media. SPE Americas E & P Health, Safety, Security, and Environmental Conference.
- Ashrafi, Mohammad; Souraki, Yaser; Karimaie, Hassan; Torsæter, Ole. (2011) Experimental and numerical study of steam flooding in fractured porous media. 2011 SPE Western North American Regional Meeting.
- Ashrafi, Mohammad; Souraki, Yaser; Karimaie, Hassan; Torsæter, Ole; Bjørkvik, Bård Johan Arnt. (2011) Experimental PVT Property Analyses for Athabasca Bitumen. Proceedings 2011 Canadian Unconventional Resources Conference.
- Ashrafi, Mohammad; Souraki, Yaser; Karimaie, Hassan; Torsæter, Ole; Kleppe, Jon. (2011) Numerical simulation study of SAGD experiment and investigating possibility of solvent co-injection. SPE Enhanced Oil Recovery Conference.
- Ashrafi, Mohammad; Souraki, Yaser; Karimaie, Hassan; Torsæter, Ole; Kleppe, Jon. (2011) Simulation study of 2-D SAGD experiment and sensitivity analysis of laboratory parameters. 2011 SPE Western North American Regional Meeting.
- Ashrafi, Mohammad; Souraki, Yaser; Verås, Tor Jørgen Gjenstad; Karimaie, Hassan; Torsæter, Ole. (2011) Experimental and numerical investigation of steam flooding in heterogeneous porous media containing heavy oil. SPE Asia Pacific Oil and Gas Conference and Exhibition.
- Farokhpoor, Raheleh; Baghbanbashi, T.; Torsæter, Ole; Lindeberg, Erik Gøsta Brun; Mørk, Atle. (2011) Experimental and Simulation Analysis of CO2 Storage in Tight and Fractured Sandstone under Different Stress Conditions (SPE 143589). SPE Enhanced Oil Recovery Conference.
- Hadia, Nanji; Lehne, Håvard Heldal; Kumar, Kanwar Gulshan; Selboe, Kristoffer; Stensen, Jan Åge; Torsæter, Ole. (2011) Laboratory investigation of low salinity waterflooding on reservoir rock samples from the Froy Field. SPE Middle East Oil and Gas Show and Conference.
- Hadia, Nanji; Torsæter, Ole; Tweheyo, Medad Twimukye. (2011) Laboratory Investigation on Wettability Alteration: Impact on Low Salinity Waterflooding Performance. 16th Europeen Symposium on Improved Oil Recovery.
- Souraki, Yaser; Ashrafi, Mohammad; Karimaie, Hassan; Torsæter, Ole. (2011) Experimental investigation and numerical simulation of steam flooding in heavy oil fractured reservoir. 2011 SPE Western North American Regional Meeting.
- Crescente, Christian Miguel; Torsæter, Ole; Hultmann, Lisbeth; Strøm, Arne Reidar; Rasmussen, Kjetil; Kowalewski, Espen. (2006) An experimental study of driving mechanisms in MIOR processes by using Rhodococcus sp. 094. Fifteenth SPE/DOE Improved Oil Recovery Symposium - Old Reservoirs New Tricks - A Global Perspective.
- Crescente, Christian; Rasmussen, Kjetil; Torsæter, Ole; Strøm, Arne; Kowalewski, Espen. (2005) An experimental study of microbial improved oil recovery by using Rhodococcus Sp.094. 2005 International Symposium of the Society of Core Analysts.
- Karimaie, Hassan; Torsæter, Ole; Esfahani, M.R.. (2005) Oil recovery by water imbibition in Asmari fractured rock. 2005 International Symposium of the Society of Core Analysts.
- Kotlar, H.K.; Haavind, F.; Springer, M.; Bekkelund, S.S.; Torsæter, Ole. (2005) A new concept of chemical sand consolidation. From idea and laboratory qualification to field application. ATCE 2005: Proceedings: SPE Annual Technical Conference and Exhibition, 9-12 October 2005, Dallas Convention Center (elektronisk ressurs).
- Lackner, Alf Sebastian; Haaskjold, Geir; Torsæter, Ole. (2005) Selecting energy levels for three-phase saturation measurements. IX LACPEC: Proceedings: Latin American and the Caribbean Petroleum Engineering Conference, June 20-23, 2005, Rio de Janeiro, Brazil (elektronisk ressurs).
- Lackner, Alf Sebastian; Torsæter, Ole. (2005) Improved procedure for calculating unsteady-state relative permeability. Proceedings; 13th European Symposium on Improved Oil Recovery, 2005.
- Lackner, Alf Sebastian; Torsæter, Ole. (2005) Phase pressure measurements: Simultaneous and direct derivation of relative permeability and dynamic capillary pressure. 2005 International Symposium of the Society of Core Analysts.
- Tweheyo, Medad Twimukye; Lackner, Alf Sebastian; Andersen, Guro Kristine; Ringen, Jon Knut; Torsæter, Ole. (2005) Pore characterisation and scaling mini-permeability and CT-scan porosity of carbonate cores. 2005 International Symposium of the Society of Core Analysts.
- Senneset, Kåre Gunnar; Torsæter, Ole; Lone, S.; Wiig, T.. (1995) Two-phase flow and permeability of oil in porous media. Geoenvironment 2000.
- Torsæter, Ole. (1992) Rock properties. Fluid-rock interactions. Recent Advances in Improved Oil Recovery Methods for North Sea Sandstone Reservoirs.
- Torsæter, Ole; Kleppe, Jon; van Golf-Racht, Teodor. (1987) Multi-Phase Flow in Fractured Reservoirs. Advances in Transport Phenomena in Porous Media.
Books
- Sari, Mufrettin Murat; Temizel, Cenk; Canbaz, Celal Hakan; Saputelli, Luigi A.; Torsæter, Ole. (2021) Sustainable materials for transitional and alternative energy. Gulf Professional Publishing. 2021. ISBN 978-0-12-824379-4.
- Temizel, Cenk; Sari, Mufrettin Murat; Canbaz, Celal Hakan; Saputelli, Luigi A.; Torsæter, Ole. (2021) Sustainable materials for oil and gas application. Gulf Professional Publishing. 2021. ISBN 978-0-12-824380-0.
- Torsæter, Ole. (2021) Application of Nanoparticles for Oil Recovery. MDPI. 2021. ISBN 978-3-0365-1317-1.
- Bedeaux, Dick; Flekkøy, Eirik Grude; Hansen, Alex; Kjelstrup, Signe; Måløy, Knut Jørgen; Torsæter, Ole. (2020) Physics of Porous Media. Frontiers. 2020. ISBN 978-2-88963-535-1.
- Kotlar, H.K.; Haavind, F.; Springer, M.; Bekkelund, S.S.; Moen, Arild; Torsæter, Ole. (2006) Encouraging results with a new environmentally acceptable, oil-soluble chemical for sand consolidation. From laboratory experiments to field application. Society of Petroleum Engineers. 2006. ISBN 0000000000.
- Aasen, Jan Ole; Aasen, J.O.; Berg, E; Berg, E.; Buller, A.T.; Hjelmeland, O.; Holt, Rune Martin; Kleppe, Jon; Torsæter, Ole. (1994) North Sea Oil & Gas Reservoirs - III. Kluwer Academic Publishers. 1994. ISBN 0-7923-2304-1.
- Hjelmeland, Odd; Torsæter, Ole. (1994) Coring and core analysis. 1994.
- Buller, Anthony T.; Berg, Eivind; Hjelmeland, Odd; Kleppe, Jon; Torsæter, Ole; Aasen, Jan Ole. (1990) North Sea Oil & Gas Reservoirs - II. Kluwer Academic Publishers. 1990. ISBN 1853337986.
- Kleppe, Jon; Buller, Anthony T.; Berg, Eivind; Hjelmeland, Odd; Torsæter, Ole. (1987) North Sea Oil & Gas Reservoirs - I. Kluwer Academic Publishers. 1987. ISBN 1853337986.