Dependence of Residual Oil Mobilization on Wetting and Roughness

  • J. P. Batycky


Following a waterflood, the capillary or trapping forces, that limit oil displacement from a porous medium, can be overcome by reducing interfacial tension (σ), by increasing the displacing fluid viscosity (μ), and by accelerating the flooding velocity (V). However, the influence of surface wettability and roughness on the mobilization of residual oil is not adequately understood and it is to this question that the present work is addressed. Experiments were performed to quantitatively relate receding and advancing contact angles to the surface roughness. Roughness was quantified by using a stylus trace of the surface and an integrated centre-line-average (CLA) roughness was employed as a correlating parameter.


Porous Medium Contact Angle Pressure Drop Interfacial Tension Composite Surface 
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Copyright information

© Springer Science+Business Media New York 1981

Authors and Affiliations

  • J. P. Batycky
    • 1
  1. 1.Petroleum Recovery InstituteCalgaryCanada

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