All Stories

  1. Using the total chemical potential to generalize the capillary pressure concept and therefrom derive a governing equation for two-phase flow in porous media

    Article • International Journal of Multiphase Flow, December 2024, Elsevier

    Dr. Dag Chun Standnes

  2. Laboratory Procedures for Estimating the Impact of Solids and Oil-Emulsions Content in Synthetic and Real Produced Water on the Injection Pressure Drop Over Outcrop Sandstone Cores

    Article • February 2024, Society of Petroleum Engineers (SPE)

    Dr. Dag Chun Standnes

  3. Ab initio quantification of the oxygen-hemoglobin dissociation curve

    Article • Biophysical Reports, December 2023, Elsevier

    Dr. Dag Chun Standnes

  4. Importance of the fundamental entropy for determining interfacial thermal resistance temperature jump differences

    Article • Journal of Applied Physics, October 2023, American Institute of Physics

    Dr. Dag Chun Standnes

  5. Threshold Pressure in Non-Darcian Flow Derived from the Langevin Equation and Fluctuation Dissipation Theorem: Generalized Darcy’s Law

    Article • Transport in Porous Media, May 2023, Springer Science + Business Media

    Dr. Dag Chun Standnes

  6. Thermally Induced Pressure Fluctuations in Single-Phase Fluid-Saturated Porous Media Described by the Fluctuation Dissipation Theorem

    Article • Transport in Porous Media, October 2022, Springer Science + Business Media

    Dr. Dag Chun Standnes

  7. The Effect of Oxidation of Core Material on Steady State Relative Permeability of Oil and Water

    Article • April 2022, Society of Petroleum Engineers (SPE)

    Dr. Dag Chun Standnes

  8. A phenomenological description of the transient single-phase pore velocity period using the resistance force-velocity relationship

    Article • ADVANCES IN GEO-ENERGY RESEARCH, February 2022, Yandy Scientific Press

    Dr. Dag Chun Standnes

  9. Derivation of the Conventional and a Generalized Form of Darcy’s Law from the Langevin Equation

    Article • Transport in Porous Media, October 2021, Springer Science + Business Media

    Dr. Dag Chun Standnes

  10. Field observations of reservoir souring development and implications for the Extended Growth Zone (EGZ) souring model

    Article • Journal of Petroleum Science and Engineering, September 2021, Elsevier

    Dr. Dag Chun Standnes

  11. A Thermodynamic Analysis of the Impact of Temperature on the Capillary Pressure in Porous Media

    Article • Water Resources Research, August 2021, American Geophysical Union (AGU)

    Dr. Dag Chun Standnes

  12. Dissipation Mechanisms for Fluids and Objects in Relative Motion Described by the Navier–Stokes Equation

    Article • ACS Omega, July 2021, American Chemical Society (ACS)

    Dr. Dag Chun Standnes

  13. Interpretation of 1-D Counter-Current Spontaneous Imbibition Processes Using Microscopic Diffusion Theory and a Modified Buckley–Leverett Approach

    Article • Energy & Fuels, April 2020, American Chemical Society (ACS)

    Dr. Dag Chun Standnes

  14. Analytical solutions for forced and spontaneous imbibition accounting for viscous coupling

    Article • Journal of Petroleum Science and Engineering, March 2020, Elsevier

    Dr. Dag Chun Standnes

  15. Cocurrent Spontaneous Imbibition In Porous Media With the Dynamics of Viscous Coupling and Capillary Backpressure

    Article • SPE Journal, August 2018, Society of Petroleum Engineers (SPE)

    Dr. Dag Chun Standnes

  16. Implications of Molecular Thermal Fluctuations on Fluid Flow in Porous Media and Its Relevance to Absolute Permeability

    Article • Energy & Fuels, July 2018, American Chemical Society (ACS)

    Dr. Dag Chun Standnes

  17. Co-Current Spontaneous Imbibition in Porous Media with the Dynamics of Viscous Coupling and Capillary Back Pressure

    Article • April 2018, Society of Petroleum Engineers (SPE)

    Dr. Dag Chun Standnes

  18. A mixture theory approach to model co- and counter-current two-phase flow in porous media accounting for viscous coupling

    Article • Advances in Water Resources, February 2018, Elsevier

    Dr. Dag Chun Standnes

  19. A Novel Bounded Capillary Pressure Correlation with Application to Both Mixed and Strongly Wetted Porous Media

    Article • November 2017, Society of Petroleum Engineers (SPE)

    Dr. Dag Chun Standnes

  20. A Novel Relative Permeability Model Based on Mixture Theory Approach Accounting for Solid–Fluid and Fluid–Fluid Interactions

    Article • Transport in Porous Media, August 2017, Springer Science + Business Media

    Dr. Dag Chun Standnes

  21. Waterflooding oil-saturated core samples - Analytical solutions for steady-state capillary end effects and correction of residual saturation

    Article • Journal of Petroleum Science and Engineering, August 2017, Elsevier

    Dr. Dag Chun Standnes

  22. Analysis of the Impact of Fluid Viscosities on the Rate of Countercurrent Spontaneous Imbibition

    Article • Energy & Fuels, June 2017, American Chemical Society (ACS)

    Dr. Dag Chun Standnes

  23. An Analytical Model for Analysis of Centrifuge Capillary Pressure Experiments

    Article • April 2017, EAGE Publications

    Dr. Dag Chun Standnes

  24. Snorre In-depth Water Diversion Using Sodium Silicate - Evaluation of Interwell Field Pilot

    Article • April 2017, EAGE Publications

    Dr. Dag Chun Standnes

  25. Improved Modeling of Gravity-Aided Spontaneous Imbibition Using Momentum-Equation-Based Relative Permeabilities

    Article • April 2017, EAGE Publications

    Dr. Dag Chun Standnes

  26. Snorre In-Depth Water Diversion - New Operational Concept for Large Scale Chemical Injection from a Shuttle Tanker

    Article • April 2016, Society of Petroleum Engineers (SPE)

    Dr. Dag Chun Standnes

  27. Multi-Scale Rock Characterization and Modeling for Surfactant EOR in the Bakken

    Article • October 2015, Society of Petroleum Engineers (SPE)

    Dr. Dag Chun Standnes

  28. Literature review of implemented polymer field projects

    Article • Journal of Petroleum Science and Engineering, October 2014, Elsevier

    Dr. Dag Chun Standnes

  29. Polymer Flood at Adverse Mobility Ratio in 2D Flow by X-ray Visualization

    Article • March 2014, Society of Petroleum Engineers (SPE)

    Dr. Dag Chun Standnes

  30. Index for Characterizing Wettability of Reservoir Rocks Based on Spontaneous Imbibition Recovery Data

    Article • Energy & Fuels, November 2013, American Chemical Society (ACS)

    Dr. Dag Chun Standnes

  31. Offshore Polymer/LPS Injectivity Test with Focus on Operational Feasibility and Near Wellbore Response in a Heidrun Injector

    Article • September 2013, Society of Petroleum Engineers (SPE)

    Dr. Dag Chun Standnes

  32. An analytical model for spontaneous imbibition in fractal porous media including gravity

    Article • Colloids and Surfaces A Physicochemical and Engineering Aspects, November 2012, Elsevier

    Dr. Dag Chun Standnes

  33. Study on Non-equilibrium Effects during Spontaneous Imbibition

    Article • Energy & Fuels, June 2011, American Chemical Society (ACS)

    Dr. Dag Chun Standnes

  34. An Analytic Solution for the Frontal Flow Period in 1D Counter-Current Spontaneous Imbibition into Fractured Porous Media Including Gravity and Wettability Effects

    Article • Transport in Porous Media, March 2011, Springer Science + Business Media

    Dr. Dag Chun Standnes

  35. Scaling spontaneous imbibition of water data accounting for fluid viscosities

    Article • Journal of Petroleum Science and Engineering, September 2010, Elsevier

    Dr. Dag Chun Standnes

  36. Scaling Group for Spontaneous Imbibition Including Gravity

    Article • Energy & Fuels, April 2010, American Chemical Society (ACS)

    Dr. Dag Chun Standnes

  37. A single-parameter fit correlation for estimation of oil recovery from fractured water-wet reservoirs

    Article • Journal of Petroleum Science and Engineering, March 2010, Elsevier

    Dr. Dag Chun Standnes

  38. Estimation of Imbibition Capillary Pressure Curves from Spontaneous Imbibition Data

    Article • Energy & Fuels, November 2009, American Chemical Society (ACS)

    Dr. Dag Chun Standnes

  39. Calculation of Viscosity Scaling Groups for Spontaneous Imbibition of Water Using Average Diffusivity Coefficients

    Article • Energy & Fuels, March 2009, American Chemical Society (ACS)

    Dr. Dag Chun Standnes

  40. Experimental and numerical investigation of high temperature imbibition into preferential oil-wet chalk

    Article • Journal of Petroleum Science and Engineering, August 2006, Elsevier

    Dr. Dag Chun Standnes

  41. New wettability test for chalk based on chromatographic separation of SCN− and SO42−

    Article • Journal of Petroleum Science and Engineering, June 2006, Elsevier

    Dr. Dag Chun Standnes

  42. Spontaneous imbibition of water into cylindrical cores with high aspect ratio: Numerical and experimental results

    Article • Journal of Petroleum Science and Engineering, February 2006, Elsevier

    Dr. Dag Chun Standnes

  43. Linked Polymer Solutions for Improved Recovery by Waterflooding

    Article • January 2005, EAGE Publications

    Dr. Dag Chun Standnes

  44. Effects to be Considered When Planning Late Stage Depressurisation

    Article • January 2005, EAGE Publications

    Dr. Dag Chun Standnes

  45. Analysis of oil recovery rates for spontaneous imbibition of aqueous surfactant solutions into preferential oil-wet carbonates by estimation of capillary diffusivity coefficients

    Article • Colloids and Surfaces A Physicochemical and Engineering Aspects, December 2004, Elsevier

    Dr. Dag Chun Standnes

  46. Scaling Spontaneous Imbibition of Aqueous Surfactant Solution into Preferential Oil-Wet Carbonates

    Article • Energy & Fuels, September 2004, American Chemical Society (ACS)

    Dr. Dag Chun Standnes

  47. Experimental Study of the Impact of Boundary Conditions on Oil Recovery by Co-Current and Counter-Current Spontaneous Imbibition

    Article • Energy & Fuels, December 2003, American Chemical Society (ACS)

    Dr. Dag Chun Standnes

  48. Spontaneous imbibition of water into oil-wet carbonates

    Article • Journal of Petroleum Science and Engineering, September 2003, Elsevier

    Dr. Dag Chun Standnes

  49. Nontoxic low-cost amines as wettability alteration chemicals in carbonates

    Article • Journal of Petroleum Science and Engineering, September 2003, Elsevier

    Dr. Dag Chun Standnes

  50. Spontaneous Imbibition of Aqueous Surfactant Solutions into Neutral to Oil-Wet Carbonate Cores:  Effects of Brine Salinity and Composition

    Article • Energy & Fuels, July 2003, American Chemical Society (ACS)

    Dr. Dag Chun Standnes

  51. Wettability alteration in carbonates

    Article • Colloids and Surfaces A Physicochemical and Engineering Aspects, May 2003, Elsevier

    Dr. Dag Chun Standnes

  52. Wettability alteration in carbonates

    Article • Colloids and Surfaces A Physicochemical and Engineering Aspects, April 2003, Elsevier

    Dr. Dag Chun Standnes

  53. An Evaluation of Spontaneous Imbibition of Water into Oil-Wet Carbonate Reservoir Cores Using a Nonionic and a Cationic Surfactant

    Article • Energy & Fuels, October 2002, American Chemical Society (ACS)

    Dr. Dag Chun Standnes

  54. Wettability alteration in chalk

    Article • Journal of Petroleum Science and Engineering, November 2000, Elsevier

    Dr. Dag Chun Standnes

  55. Wettability alteration in chalk

    Article • Journal of Petroleum Science and Engineering, November 2000, Elsevier

    Dr. Dag Chun Standnes