Reservoir Group Publications

N Liu, M Haugen, B Benali, D Landa-Marbán, MA Fernø, Pore-scale kinetics of calcium dissolutionand secondary precipitation during geological carbon storage, Chemical Geology (2023), https://doi.org/10.1016/j.chemgeo.2023.121782

M Haugen, OP Folkvord, T Veien, MA Fernø, B Brattekås. Multi-scale dissolution dynamics forcarbon sequestration in carbonate rock samples. Gas Science and Engineering (2023), https://doi.org/10.1016/j.jgsce.2023.205139

B Benali, A Sæle, N Liu, MA Fernø, ZP Alcorn. Pore-level Ostwald ripening of CO2 foams at reservoir pressure. Transp Porous Med (2023), https://doi.org/10.1007/s 11242-023-02017-0

E Keilegavlen, E Fonn, K Johannessen, K Eikehaug, JW Both, MA Fernø, T Kvamsdal, A Rasheed, JM Nordbotten. PoroTwin: A Digital Twin for a FluidFlower Rig. Transp Porous Med (2023), https://doi.org/10.1007/s11242-023-01992-8

B Flemisch, JM Nordbotten, MA Fernø, R Juanes, JW Both, H Class, M Delshad, F Doster, J Ennis-King, J Franc, S Geiger, D Gläser, C Green, J Gunning, H Hajibeygi, SJ Jackson, M Jammoul, SKarra, J Li, SK Matthäi, T Miller, Q Shao, C Spurin, P Stauffer, H Tchelepi, X Tian, H Viswanathan, D Voskov, Y Wang, M Wapperom, MF Wheeler, A Wilkins, AA Youssef, Z Zhang. The FluidFlower Validation Benchmark Study for the Storage of CO2. Transp Porous Med (2023), https://doi.org/10.1007/s11242-023-01977-7

MA Fernø, M Haugen, K Eikehaug, O Folkvord, B Benali, JW Both, E Storvik, CW Nixon, RL Gawthrope, JM Nordbotten. Room-Scale CO2 Injections in a Physical Reservoir Model with Faults. Transp Porous Med (2023), https://doi.org/10.1007/s11242-023-02013-4

B Brattekås, R Seright. A Review of Polymer Gel Utilization in Carbon Dioxide Flow Control at the Core and Field Scale. SPE  Journal (2023), https://doi.org/10.2118/217427-PA

JE Cobos, OP Folkvord, EG Søgaard, B Brattekås. Microscopic and macroscopic assessment of carbonate dissolution for geologic storage. Discov Energy (2023), https://doi.org/10.1007/s43937-023-00017-1

M Lysyy, MA Fernø, G Ersland. Effect of relative permeability hysteresis on reservoir simulation of underground hydrogen storage in an offshore aquifer. Journal of Energy Storage (2023), https://doi.org/10.1016/j.est.2023.107229

L Saló-Salgado, M Haugen, K Eikehaug, MA Fernø, JM Nordbotten, R Juanes. Direct Comparison of Numerical Simulations and Experiments of Injection and Migration in Geologic Media: Value ofLocal Data and Forecasting Capability. Transp Porous Med (2023), https://doi.org/10.1007/s11242-023-01972-y

M Lysyy, N Liu, CM Solstad, MA Fernø, G Ersland. Microfluidic hydrogen storage capacity andresidual trapping during cyclic injections: Implications for underground storage. International Journal of Hydrogen Energy (2023), https://doi.org/10.1016/j.ijhydene.2023.04.253

N Liu, M Haugen, B Benali, D Landa-Marbán, MA Fernø. Pore-scale spatiotemporal dynamics ofmicrobial-induced calcium carbonate growth and distribution in porous media. International Journal of Greenhouse Gas Control (2023), https://doi.org/10.1016/j.ijggc.2023.103885

B Brattekås, MA Fernø, H Espedal FluidFlow visualization By PET-CT. In: Médici, E.F., Otero,A.D. (eds) Album of Porous Media. Springer, Cham, https://doi.org/10.1007/978-3-031-23800-0_83

M Haugen, B Brattekås, MA Fernø. Multimodal Visualization of Calcium Carbonate (CaCO3) in the Pore Space of a Micromodel In: Médici, E.F., Otero, A.D. (eds) Album of Porous Media. Springer, Cham, https://doi.org/10.1007/978-3-031-23800-0_77

K Eikehaug, M Haugen, B Benali, ZP Alcorn, A Rotevatn, JM Nordbotten, MA Fernø. Geological Carbon Storage at the University of Bergen, Norway. In: Médici, E.F., Otero, A.D. (eds) Album of Porous Media. Springer, Cham, https://doi.org/10.1007/978-3-031-23800-0_34

N Liu, AR Kovscek, MA Fernø, N Dopffel. Pore-scale study of microbial hydrogen consumption and wettability alteration during underground hydrogen storage. Frontiers in Energy Research (2023), https://doi.org/10.3389/fenrg.2023.1124621

JM Nordbotten, B Benali, JW Both, B Brattekås, E Storvik, MA Fernø. DarSIA: An Open-Source Python Toolbox for Two-Scale Image Processing of Dynamics in Porous Media. Transport in Porous Med (2023), https://doi.org/10.1007/s11242-023-02000-9

SS Datta, I Battiato, MA Fernø, R Juanes, S Parsa, V Prigiobbe, E Santanach-Carreras, W Song, SL Biswal, D Sinton. Lab on a chip for a low-carbon future. Lab Chip (2023), https://doi.org/10.1039/D2LC00020B

M Haugen, B Benali, T Føyen, W Song, MA Fernø, B Brattekås. Calcite-functionalized micromodels for pore-scale investigations of CO2 storage security. E3S Web of Conferences (2023), https://doi.org/10.1051/e3sconf/202336601004

OE Medina, D Galeano-Caro, B Brattekås, AF Perez-Cadenas, F Carrasco-Marin, FB Cotes, CA Franco. Simultaneous CO2 adsorption and conversion over Ni-Pd supported CeO2 nanoparticles during catalytic n-C7 asphaltene gasification. Fuel (2023), https://doi.org/10.1016/j.fuel.2023.127733

B Brattekås, MA Fernø, M Haugen, T Føyen, M Steinsbø, A Graue, N Brekke, TCH Adamsen, CB Rygh, H Espedal. Of rats and rocks: Using pre-clinical PET imaging facilities in core analysis. E3S Web of Conferences (2023), https://doi.org/10.1051/e3sconf/202336601011

C Le, M Wu, S Cai, N Liu, J He. Remote Sensing of Particulate Organic Carbon on the Western Antarctic Peninsula Shelf Using a Color Index-Based Algorithm. IEEE Transactions on Geoscience and Remote Sensing (2023) https://doi.org/10.1109/TGRS.2023.3256367

ZP Alcorn, A Sæle, M Karakas, A Graue. Unsteady-State CO2 Foam Generation and Propagation: Laboratory and Field Insights Energies (2022), https://doi.org/10.3390/en15186551

M Karakas, ZP Alcorn, F Aminzadeh, A Graue. Pressure Measurements for Monitoring CO2, Foam Pilots Energies (2022), https://doi.org/10.3390/en15093035

A Sæle, A Graue, ZP Alcorn. Unsteady-state CO2 foam injection for increasing enhanced oilrecovery and carbon storage potential. Advances in Geo-energy Research (2022), https://doi.org/10.46690/ager.2022.06.04

M Lysyy, T Føyen, EB Johannesen, MA Fernø, G Ersland. Hydrogen relative permeabilityhysteresis in underground storage. Geophysical Research Letters (2022), https://doi.org/10.1029/2022GL100364

M Lysyy, G Ersland, MA Fernø. Pore-scale dynamics for underground porous media hydrogenstorage. Advances in Water Resources (2022), https://doi.org/10.1016/j.advwatres.2022.104167

B Benali, TL Føyen, ZP Alcorn, M Haugen, J Gauteplass, AR Kovscek, MA Fernø. Pore-scalebubble population dynamics of CO2-foam at reservoir pressure. International Journal of Greenhouse Gas Control (2022), https://doi.org/10.1016/j.ijggc.2022.103607

B Brattekås, M Sandnes, M Steinsbø, JE Cobos. A Systematic Investigation of Polymer Influence on Core Scale Wettability Aided by Positron Emission Tomography Imaging. Polymers (2022), https://doi.org/10.3390/polym14225050

J Pandey, N  von Solms, Ø Strand, S Almenningen, G Ersland. Novel Pore Scale Visualization during CO2 Injection into CH4 Hydrate Saturated Porous Media. Energy & Fuels (2022), https://doi.org/10.1021/acs.energyfuels.1c03878

P Bello, A German, P Fotland, G Ersland. Modeling the Effects of Sedimentation on Natural Occurrences of CH4 Hydrates in MarineSediments. Energy & Fuels, (2022), https://doi.org/10.1021/acs.energyfuels.1c03611

MM Sæther, S Almenningen, G Ersland, P Lunde. Compressional wave phase velocity measurements during hydrate growth in partially andfully water saturated sandstone. Fuel (2022), https://doi.org/10.1016/j.fuel.2022.124522

N Hassannayebi, B Jammernegg, J Schritter, P Arnold, F Enzmann, M Kersten, AP Loibner, MA Fernø, H Ott. Relationship between microbial growth and hydraulic properties at the sub-pore scale. Transp Porous Med (2021), https://doi.org/10.1007/s11242-021-01680-5

W Sun, N Wei, J Zhao, B Kvamme, S Zhou, L Zhang, S Almenningen, T Kuznetsova, G Ersland, Q Li, P Jun, L Cong, X Chenyang, S Xuncheng. Imitating possible consequences of drilling through marine hydrate reservoir. Energy, (2021) https://doi.org/10.1016/j.energy.2021.121802

S Almenningen, A Graue, G Ersland. Experimental Investigation of Critical Parameters Controlling CH4−CO2 Exchange in Sedimentary CH4 Hydrates. Energy & Fuels (2021), https://doi.org/10.1021/acs.energyfuels.0c03841

J Pandey, S Almenningen, N von Solms, G Ersland. Pore-Scale Visualization of CH4 Gas Hydrate Dissociation under Permafrost Conditions. Energy & Fuels (2021), https://doi.org/10.1021/acs.energyfuels.0c03295

JS Pandey, Ø Strand, N von Solms, G Ersland, S Almenningen. Direct Visualization of CH4/CO2 Hydrate Phase Transitions in Sandstone Pores. Crystal Growth & Design, (2021), https://doi.org/10.1021/acs.cgd.0c01714

P Bello, A German, S Almenningen, P Fotland, G Ersland. Experimental and Numerical Analysis of the Effects of Clay Content on CH4 Hydrate Formation in Sand. Energy & Fuels (2021), https://doi.org/10.1021/acs.energyfuels.1c00549

S Almenningen, M Lysyy, G Ersland. Quantification of CH4 Hydrate Film Growth Rates in Micromodel Pores. Crystal Growth & Design (2021), https://doi.org/10.1021/acs.cgd.1c00396

P Bello, A German, P Fotland, S Almenningen, G Ersland. Effects of methane hydrates on two-phase relative permeability in sandstone: Numerical simulation of laboratory experiments. Journal of Petroleum Science and Engineering (2021), https://doi.org/10.1016/j.petrol.2021.109606

M Lysyy, MA Fernø, G Ersland. Seasonal hydrogen storage in a depleted oil and gas field. International Journal of Hydrogen Energy (2021), https://doi.org/10.1016/j.ijhydene.2021.05.030

TL Føyen, ZP Alcorn, MA Fernø, A Barrabino, T Holt. CO2 mobility reduction using foam stabilizedby CO2-and water-soluble surfactants. Journal of Petroleum Science and Engineering (2020), https://doi.org/10.1016/j.petrol.2020.107651

JE Cobos, M Sandnes, M Steinsbø, B Brattekås, EG Søgaard, A Graue. Evaluation of wettabilityalteration in heterogeneous limestone at microscopic and macroscopic levels. Journal of PetroleumScience and Engineering (2021), https://doi.org/10.1016/j.petrol.2021.108534

R Seright, B Brattekås. Water shutoff and conformance improvement: an introduction. Petroleum Science (2021), https://doi.org/10.1007/s12182-021-00546-1

ZP Alcorn, T Føyen, J Gauteplass, B Benali, A Soyke, MA Fernø. Pore- and Core-Scale Insightsof Nanoparticle-Stabilized Foam for CO2-Enhanced Oil Recovery. Nanomaterials (2020), https://doi.org/10.3390/nano10101917

B Brattekås, J Gauteplass, N Brekke, MA Fernø, G Ersland. Unlocking multimodal PET-MR synergies for geoscience. Advances in Water Resources (2020), https://doi.org/10.1016/j.advwatres.2020.103641

Ø Eide, MA Fernø, S Bryant, AR Kovscek, J Gauteplass. Population-balance modeling of CO2foam for CCUS using nanoparticles. Journal of Natural Gas Science and Engineering (2020), https://doi.org/10.1016/j.jngse.2020.103378

J Gauteplass, S Almenningen, T Barth, G Ersland. Hydrate plugging and flow remediation during CO2 injection in sediments. Energies, (2020), https://doi.org/10.3390/en13174511

S Almenningen, R Srikumar, A Hussain, JG Seland, G Ersland. Effect of Mineral Composition on Transverse Relaxation Time Distributions and MR Imagingof Tight Rocks from Offshore Ireland. Minerals (2020), https://doi.org/10.3390/min10030232

M Sharma, ZP Alcorn, SB Fredriksen, MA Fernø, A Graue. Foam for CO2 EOR in a Carbonate Reservoir: Scale-up from Lab to Field. In: Singh, K., Joshi, R. (eds) Petro-physics and Rock Physicsof Carbonate Reservoirs. Springer (2020), https://doi.org/10.1007/978-981-13-1211-3_6

B Brattekås, Ø Eide, SA Johansen, SS Vasshus, AG Polden, MA Fernø. Foam flow and mobilitycontrol in natural fracture networks. Transp Porous Med (2020), https://doi.org/10.1007/s11242-019-01249-3

B Brattekås, R Seright, G Ersland. Water Leakoff During Gel Placement in Fractures: Extension to Oil-Saturated Porous Media (2020), https://doi.org/10.2118/190256-PA

B Brattekås, R Seright. The Mechanism for Improved Polymer Gel Blocking During Low-Salinity Waterfloods, Investigated Using Positron Emission Tomography Imaging. Transp Porous Med (2020), https://doi.org/10.1007/s11242-020-01417-w

B Brattekås, M Haugen. Explicit tracking of CO2-flow at the core scale using micro-Positron Emission Tomography (μPET). Journal of Natural Gas Science and Engineering (2020), https://doi.org/10.1016/j.jngse.2020.103268

ZP Alcorn, SB Fredriksen, M Sharma, AU Rognmo, TL Føyen, MA Fernø, A Graue (2019) An integrated carbon-dioxide-foam enhanced-oil-recovery pilot program with combined carbon capture, utilization, and storage in an onshore Texas heterogeneous carbonate field. SPE Reservoir Eval. And Engr. (2019), https://doi.org/10.2118/190204-PA

TL Føyen, MA Fernø, B Brattekås. The effects of nonuniform wettability and heterogeneity on induction time and onset of spontaneous imbibition. SPE Journal (2019), https://doi.org/10.2118/190311-PA

S Almenningen, J Gauteplass, LP Hauge, T Barth, MA Fernø, G Ersland. Measurements of CH4 and CO2 relative permeability in hydrate-bearing sandstone. Journal of Petroleum Science and Engineering (2019), https://doi.org/10.1016/j.petrol.2019.02.091

LI Eide, M Batum, T Dixon, Z Elamin, A Graue, S Hagen, S Hovorka, B Nazarian, PH Nøkleby, GI Olsen, P Ringrose, RAM Vieira. Enabling Large-Scale Carbon Capture, Utilization, and Storage (CCUS) Using Offshore Carbon Dioxide (CO2) Infrastructure Developments—A Review. Energies (2019), https://doi.org/10.3390/en12101945

S Almenningen, P Betlem, A Hussain, S Roy, K Senger, G Ersland. Demonstrating the potential of CO2 hydrate self-sealing in Svalbard, Arctic Norway. International Journal of Greenhouse Gas Control (2019), https://doi.org/10.1016/j.ijggc.2019.06.010

J Gauteplass, S Almenningen, G Ersland, T Barth, J Yang, A Chapoy. Multiscale investigation of CO2 hydrate self-sealing potential for carbon geo-sequestration. Chemical Engineering Journal (2019), https://doi.org/10.1016/j.cej.2019.122646

B Brattekås, R Seright, G Ersland. Water leakoff during gel placement in fractures: Extension to oil-saturated porous media. SPE Production & Operations (2019), https://doi.org/10.2118/190256-PA

S Almenningen, P Fotland, G Ersland. Magnetic Resonance Imaging of Methane Hydrate Formation and Dissociation in Sandstone with Dual Water Saturation. Energies (2019), https://doi.org/10.3390/en12173231

S Almenningen, P Fotland, MA Fernø, G Ersland. An experimental investigation of gas production rates during depressurization of sedimentary methane hydrates. SPE Journal (2019), https://doi.org/10.2118/190811-PA

B Brattekås, TL Føyen, T Vabø, H Haugland, SI Reite, AS Saunes, MA Fernø. Dos and Don’ts When Developing a System to Investigate Spontaneous Imbibition in Unconsolidated Porous Media. E3S Web of Conferences (2019), https://doi.org/10.1051/e3sconf/20198901005

PØ Andersen, A Lohne, A Stavland, A Hiorth, B Brattekås. Core Scale Modeling of Polymer Gel Dehydration by Spontaneous Imbibition. SPE Journal (2019), https://doi.org/10.2118/190189-PA

SB Fredriksen, ZP Alcorn, A Frøland, A Viken, AU Rognmo, JG Seland, G Ersland, MA Fernø, A Graue. Surfactant prefloods during carbon dioxide foam injection for integrated enhanced oil recovery in fractured oil-wet carbonates. (2019), https://doi.org/10.2118/190168-PA

PØ Andersen, B Brattekås, O Nødland, A Lohne, TL Føyen, MA Fernø. Darcy-Scale Simulationof Boundary-Condition Effects During Capillary-Dominated Flow in High-Permeability Systems. SPE Res Eval & Eng (2019), https://doi.org/10.2118/188625-PA

N Akhtar, PJ Thomas, B Svardal, S Almenningen, E de Jong, S Magnussen, PR Onck, MA Fernø, B Holst. Pillars or pancakes? Self-cleaning surfaces without coating. Nano Letters (2018), https://doi.org/10.1021/acs.nanolett.8b02982

S Almenningen, E Iden, MA Fernø, G Ersland. Salinity effects on pore‐scale methane gas hydratedissociation. Journal of Geophysical Research: Solid Earth (2018), https://doi.org/10.1029/2017JB015345

B Brattekås, R Seright. Implications for improved polymer gel conformance control during low salinity chase-floods in fractured carbonates. Journal of Petroleum Science and Engineering (2018), https://doi.org/10.1016/j.petrol.2017.10.033

SB Fredriksen, AU Rognmo, MA Fernø. Pore-scale mechanisms during low salinity waterflooding: Oil mobilization by diffusion and osmosis. Journal of Petroleum Science and Engineering (2018), https://doi.org/10.1016/j.petrol.2017.10.022

S Almenningen, J Gauteplass, P Fotland, GL Aastveit, T Barth, G Ersland. Visualization of hydrate formation during CO2 storage in water-saturated sandstone. International Journal of Greenhouse Gas Control. (2018), https://doi.org/10.1016/j.ijggc.2018.11.008

J Gauteplass, S Almenningen, G Ersland, T Barth. Hydrate seal formation during laboratory CO2 injection in a cold aquifer. International Journal of Greenhouse Gas Control. (2018), https://doi.org/10.1016/j.ijggc.2018.07.017

AU Rognmo, S Heldal, MA Fernø. Silica nanoparticles to stabilize CO2-foam for improved CO2 utilization: Enhanced CO2 storage and oil recovery from mature oil reservoirs. Fuel (2018), https://doi.org/10.1016/j.fuel.2017.11.144

W Song, F Ogunbanwo, M Steinsbø, MA Fernø, AR Kovscek. Mechanisms of multiphase reactive flow using biogenically calcite-functionalized micromodels. Lab Chip (2018), https://doi.org/10.1039/C8LC00793D

AU Rognmo, H Horjen, MA Fernø. Nanotechnology for improved CO2 utilization in CCS: Laboratory study of CO2-foam flow and silica nanoparticle retention in porous media. International Journal of Greenhouse Gas Control (2017), https://doi.org/10.1016/j.ijggc.2017.07.010

SB Fredriksen, AU Rognmo, K Sandengen, MA Fernø. Wettability effects on osmosis as an oil mobilization mechanism during low-salinity waterflooding. Petrophysics (2017). LINK

S Almenningen, J Flatlandsmo, MA Fernø, G Ersland. Multiscale laboratory verification of depressurization for production of sedimentary methane hydrates. SPE Journal (2017), https://doi.org/10.2118/180015-PA

B Brattekås, M Steinsbø, A Graue, MA Fernø, H Espedal, RS Seright. New insight into wormhole formation in polymer gel during water chase floods with positron emission tomography. SPE Journal (2017), https://doi.org/10.2118/180051-PA

S Almenningen, J Flatlandsmo, AR Kovscek, G Ersland, MA Fernø. Determination of pore-scale hydrate phase equilibria in sediments using lab-on-a-chip technology. Lab Chip (2017), https://doi.org/10.1039/C7LC00719A

S Iglauer, T Rahman, M Sarmadivaleh, A Al-Hinai, MA Fernø, M Lebedev. Influence of wettability on residual gas trapping and enhanced oil recovery in three-phase flow: A pore-scale analysis by use of microcomputed tomography. SPE Journal (2016), https://doi.org/10.2118/179727-PA

B Brattekås, MA Fernø. New insight from visualization of mobility control for enhanced oil recoveryusing polymer gels and foams. Chemical Enhanced Oil Recovery (cEOR) – a Practical Overview. Laura Romero-Zeron (eds). InTech (2016), https://doi.org/10.5772/61394

LP Hauge, J Gauteplass, MD Høyland, G Ersland, A Kovscek, MA Fernø. Pore-level hydrate formation mechanisms using realistic rock structures in high-pressure silicon micromodels. International Journal of Greenhouse Gas Control (2016), https://doi.org/10.1016/j.ijggc.2016.06.017

Ø Eide, MA Fernø, ZP Alcorn, A Graue. Visualization of carbon dioxide enhanced oil recovery by diffusion in fractured chalk. SPE Journal (2016), https://doi.org/10.2118/170920-PA

MA Fernø, J Gauteplass, M Pancharoen, Å Haugen, A Graue, AR Kovscek, G Hirasaki. Experimental study of foam generation, sweep efficiency, and flow in a fracture network. SPE Journal (2016), https://doi.org/10.2118/170840-PA

B Brattekås, A Graue, RS Seright. Low-Salinity Chase Waterfloods Improve Performance of Cr(III)-Acetate Hydrolyzed Polyacrylamide Gel in Fractured Cores. SPE Res Eval & Eng (2016), https://doi.org/10.2118/173749-PA

MA Fernø, Ø Eide, M Steinsbø, SAW Langlo, A Christophersen, A Skibenes, T Ydstebø, A Graue. Mobility control during CO2 EOR in fractured carbonates using foam: Laboratory evaluationand numerical simulations. Journal of Petroleum Science and Engineering (2015), https://doi.org/10.1016/j.petrol.2015.10.005

MA Fernø, M Steinsbø, Ø Eide, A Ahmed, K Ahmed, A Graue. Parametric study of oil recovery during CO2 injections in fractured chalk: Influence of fracture permeability, diffusion length and water saturation. Journal of Natural Gas Science and Engineering (2015), https://doi.org/10.1016/j.jngse.2015.09.052

KA Birkedal, LP Hauge, A Graue, G Ersland. Transport mechanisms for CO2-CH4 exchange and safe CO2 storage in hydrate-bearingsandstone. Energies (2015) https://doi.org/10.3390/en8054073

MA Fernø, LP Hauge, AU Rognmo, J Gauteplass, A Graue. Flow visualization of CO2 in tight shale formations at reservoir conditions. Geophysical Research Letters (2015), https://doi.org/10.1002/2015GL065100

MA Fernø, J Gauteplass, LP Hauge, GE Abell, TCH Adamsen, A Graue. Combined positron emission tomography and computed tomography to visualize and quantify fluid flow in sedimentary rocks. Water Resources Research (2015), https://doi.org/10.1002/2015WR017130

J Gauteplass, K Chaudhary, AR Kovscek, MA Fernø. Pore-level foam generation and flow formobility control in fractured systems. Colloids and Surfaces A: Physicochemical and Engineering Aspects (2015), https://doi.org/10.1016/j.colsurfa.2014.12.043

A Graue, J Ramsdal, MA Fernø. Mobilization of Immobile Water: Connate-Water Mobility During Waterfloods in Heterogeneous Reservoirs. SPE Journal (2015), https://doi.org/10.2118/170249-PA

B Brattekås, SG Pedersen, HT Nistov, A Haugen, A Graue, JT Liang, RS Seright. Washout of Cr(III)-Acetate-HPAM Gels From Fractures: Effect of Gel State During Placement. SPE Prod & Oper (2015), https://doi.org/10.2118/169064-PA

Ø Eide, G Ersland, B Brattekås, Å Haugen, A Graue, MA Fernø. CO2 EOR by Diffusive Mixing in Fractured Reservoirs. Petrophysics (2015) LINK

Å Haugen, MA Fernø, G Mason, NR Morrow. The effect of viscosity on relative permeabilities derived from spontaneous imbibition tests. Transport in Porous Media (2015), https://doi.org/10.1007/s11242-014-0406-4

Å Haugen, N Mani, S Svenningsen, B Brattekås, A Graue, G Ersland, MA Fernø. Miscible and immiscible foam injection for mobility control and EOR in fractured oil-wet carbonate rocks. Transport in Porous Media (2014), https://doi.org/10.1007/s11242-014-0323-6

Å Haugen, MA Fernø, G Mason, NR Morrow. Capillary pressure and relative permeability estimated from a single spontaneous imbibition test. Journal of Petroleum Science and Engineering (2015), https://doi.org/10.1016/j.petrol.2014.02.001

B Brattekås, Å Haugen, A Graue, JT Liang, RS Seright. Gel Dehydration by Spontaneous Imbibition of Brine from Aged Polymer Gel. SPE Journal (2014), https://doi.org/10.2118/153118-PA