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Journal articles
  • Andersen, Pål Østebø; Lohne, Arild; Stavland, Arne; Hiorth, Aksel; Brattekås, Bergit. 2019. Core scale modeling of polymer gel dehydration by spontaneous imbibition. SPE Journal. 24: 1201-1219. doi: 10.2118/190189-PA
  • Brattekås, Bergit; Eide, Øyvind; Johansen, Sigbjørn Aasheim; Vasshus, Snorre Sande; Fernø, Martin. 2019. Foam Flow and Mobility control in Natural Fracture Networks. Transport in Porous Media. doi: 10.1007/s11242-019-01249-3
  • Brattekås, Bergit; Eide, Øyvind; Johansen, Sigbjørn Aasheim; Vasshus, Snorre Sande; Polden, Andreas Grøteide; Fernø, Martin. 2019. Foam Flow and Mobility Control in Natural Fracture Networks. Transport in Porous Media. 1-18. Published 2019-02-27. doi: 10.1007/s11242-019-01249-3
  • Brattekås, Bergit; Seright, Randy; Ersland, Geir. 2019. Water Leakoff during Gel Placement in Fractures: Extension to Oil-Saturated Porous Media. SPE Production & Operations. 12 pages. doi: 10.2118/190256-PA
  • Føyen, Tore Lyngås; Brattekås, Bergit; Fernø, Martin. 2019. The Effect of Non-Uniform Wettability and Heterogeneity on Induction Time and Onset of Spontaneous Imbibition. SPE Journal. doi: https://doi.org/10.2118/190311-PA
  • Andersen, Pål Østebø; Brattekås, Bergit; Nødland, Oddbjørn Mathias; Lohne, Arild; Føyen, Tore Lyngås; Fernø, Martin. 2018. Darcy-scale simulation of boundary-condition effects during capillary-dominated flow in high-permeability systems. SPE Reservoir Evaluation and Engineering. 22: 673-691. doi: 10.2118/188625-PA
  • Brattekås, Bergit; Seright, Randall S. 2017. Implications for improved polymer gel conformance control during low-salinity chase-floods in fractured carbonates. Journal of Petroleum Science and Engineering. 163: 661-670. doi: 10.1016/j.petrol.2017.10.033
  • Brattekås, Bergit; Graue, Arne; Seright, Randall S. 2016. Low-salinity chase waterfloods improve performance of Cr(III)-acetate hydrolyzed polyacrylamide gel in fractured cores. SPE Reservoir Evaluation and Engineering. 19: 331-339. doi: 10.2118/173749-PA
  • Brattekås, Bergit; Steinsbø, Marianne; Graue, Arne; Fernø, Martin; Espedal, Heidi; Seright, Randall S. 2016. New insight into wormhole formation in polymer gel during water chase floods with positron emission tomography. SPE Journal. 22: 32-40. doi: 10.2118/180051-PA
  • Brattekås, Bergit; Graue, Arne; Seright, Randall S. 2015. Low salinity chase waterfloods improve performance of Cr(III)-Acetate HPAM gel in fractured cores. Proceedings - SPE International Symposium on Oilfield Chemistry. 1: 565-581.
  • Brattekås, Bergit; Pedersen, Stina Gabrielle; Nistov, Hilde Tokheim; Haugen, Åsmund; Graue, Arne; Liang, Jenn-Tai; Seright, Randall Scott. 2015. Washout of Cr(III)-acetate-HPAM gels from fractures: Effect of gel state during placement. SPE Production & Operations. 30: 99-109. doi: 10.2118/169064-PA
  • Eide, Øyvind; Ersland, Geir; Brattekås, Bergit; Haugen, Åsmund; Graue, Arne; Fernø, Martin. 2015. CO2 EOR by Diffusive Mixing in Fractured Reservoirs. Petrophysics. 56: 23-31.
  • Haugen, Åsmund; Mani, Nima; Svenningsen, Sondre; Brattekås, Bergit; Graue, Arne; Ersland, Geir; Fernø, Martin. 2014. Miscible and immiscible foam injection for mobility control and EOR in fractured oil-wet carbonate rocks. Transport in Porous Media. 104: 109-131. doi: 10.1007/s11242-014-0323-6
Reports and theses
  • Brattekås, Bergit. 2014. Conformance Control for Enhanced Oil Recovery in Fractured Reservoirs. 154 pages.
  • Brattekås, Bergit. 2014. Conformance Control for Enhanced Oil Recovery in Fractured Reservoirs. 120 pages.
  • Brattekås, Bergit. 2014. Conformance Control for Enhanced Oil Recovery in Fractured Reservoirs. University of Bergen.
  • Brattekås, Bergit. 2009. EOR by Polymer Gel Extrusion through Fractures: An Experimental Study of Water Leakoff as Function of Flow Rate, Wettability and Relative Permeability. 143 pages.
Book sections
  • Andersen, Pål Østebø; Føyen, Tore Lyngås; Chauhan, Jaldeepsinh S.; Brattekås, Bergit. 2019. Interpretation of Induction Time and Nonstandard Spontaneous Imbibition Trends Utilizing In-situ Measurements – Identification of No-Flow Regions and Wettability Alteration. KAPITTEL. In:
    • Batenburg, Diederik van; Bekri, S; Chapman, Emma; Cubillos, Helber; Dalland, Mariann; Edelman, Inna; Fevang, Øivind; Ghahri, Panteha; Holtz, Mark; Leonhardt, Bernd; Morel, D; Muggeridge, A.; Kokal, Sunil; Madland, Merete Vadla; Masserano, Franco; Rossen, William R.; Surguchev, L.M.; Szelenyi, Janos. 2019. IOR 2019 – 20th European Symposium on Improved Oil Recovery. European Association of Geoscientists and Engineers. 1220 pages. ISBN: 978-94-6282-278-8.
  • Andersen, Pål Østebø; Lohne, Arild; Stavland, Arne; Hiorth, Aksel; Brattekås, Bergit. 2018. Core Scale Simulation of Spontaneous Solvent Imbibition from HPAM Gel. KAPITTEL. In:
    • Holtz, Mark. 2018. SPE Improved Oil Recovery Conference. Society of Petroleum Engineers. 3650 pages. ISBN: 978-1-61399-570-9.
  • Brattekås, Bergit; Ersland, Geir; Seright, Randall S. 2018. Solvent Leakoff During Gel Placement in Fractures: Extension to Oil-Saturated Porous Media. Konferanseartikkel. In:
    • Holtz, Mark. 2018. SPE Improved Oil Recovery Conference. Society of Petroleum Engineers. 3650 pages. ISBN: 978-1-61399-570-9.
  • Føyen, Tore Lyngås; Fernø, Martin; Brattekås, Bergit. 2018. The Onset of Spontaneous Imbibition: How Irregular Fronts Influence Imbibition Rate and Scaling Groups. KAPITTEL, pages . In:
    • Holtz, Mark. 2018. SPE Improved Oil Recovery Conference. Society of Petroleum Engineers. 3650 pages. ISBN: 978-1-61399-570-9.
  • Andersen, Pål Østebø; Brattekås, Bergit; Walrond, Kenny; Aisyah, Daisy Siti; Nødland, Oddbjørn Mathias; Lohne, Arild; Haugland, Håkon Kyte; Føyen, Tore L.; Fernø, Martin. 2017. Numerical Interpretation of Laboratory Spontaneous Imbibition - Incorporation of the Capillary Back Pressure and How it Affects SCAL. KAPITTEL. In:
    • Ukjent, Ukjent. 2017. SPE Abu Dhabi International Petroleum Exhibition & Conference. Society of Petroleum Engineers. ISBN: 978-1-61399-563-1.
  • Brattekås, Bergit; Fernø, Martin. 2016. New Insight from Visualization of Mobility Control for Enhanced Oil Recovery Using Polymer Gels and Foams. Chapter 3, pages 101-122. In:
    • Romero-Zeròn, Laura. 2016. CHEMICAL ENHANCED OIL RECOVERY (CEOR)- A PRACTICAL OVERVIEW. INTECH. 191 pages. ISBN: 978-953-51-2700-0.
  • Brattekås, Bergit; Føyen, Tore Lyngås; Reite, Simon I.; Saunes, Anders S.; Fernø, Martin. 2007. Do’s and Don’ts When Developing a System to Investigate Spontaneous Imbibition in Unconsolidated Porous Media. kapittel. In:
    • 2007. Conference Proceedings of the Symposium of the Society of Core Analysts. Society of Core Analysts. 6 pages.
  • Brattekås, Bergit; Føyen, Tore Lyngås; Vabø, Trond; Haugland, Håkon Kyte; Reite, Simon I.; Saunes, Anders S.; Fernø, Martin. 2007. Dos and Don'ts when Developing a System to Investigate Spontaneous Imbibition in Unconsolidated Porous Media. KAPITTEL. In:
    • 2007. Conference Proceedings of the Symposium of the Society of Core Analysts. Society of Core Analysts. 6 pages.

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