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Effect of interfacial viscosities upon displacement in sinusoidal capillaries

Journal Article · · A.I.Ch.E. J.; (United States)
This quantitative analysis shows the relative effects of interfacial tension, interfacial viscosities, and wetting during displacement in a capillary whose radius is a sinusoidal function of axial position. The effect of the interfacial viscosities is to increase the resistance to displacement regardless of the wetting condition. The results are consistent with a previous qualitative analysis and with a previous quantitative analysis for displacement in capillaries whose radii are independent of axial position. In screening surfactant systems for potential use in tertiary oil recovery, it is recommended that the interfacial tension be minimized first, since it determines whether oil displacement will occur, and that the interfacial viscosities be minimized second, since they influence the rate of oil displacement.
Research Organization:
Dept. of Chemical Engineering, Northwestern Univ., Evanston, IL 60201
OSTI ID:
5590756
Journal Information:
A.I.Ch.E. J.; (United States), Journal Name: A.I.Ch.E. J.; (United States) Vol. 33:10; ISSN AICEA
Country of Publication:
United States
Language:
English