Touhami Y, Hornof V, Neale GH. 1998. Dynamic interfacial tension behavior of acidified oil/surfactant-enhanced alkaline systems 1. Experimental studies. Elsevier Science Colloid Surf 132:61-74.
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Dynamic interfacial tension behavior of acidified oil/surfactant-enhanced alkaline systems 1. Experimental studies
Youssef Touhami, Vladimir Hornof, Graham H. Neale. Colloids Surfaces A: Physicochem. Eng. Aspects 132 (1998) 61-74
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It has been found that there exists an optimum concentration with respect to both alkali and added surfactant, at which the interfacial tension is the lowest. dependent on acid concentration.
Capillary forces cause a large quantities of oil to be left behind in well-swept zones of water-flooded oil reservoirs: interfacial tension between the oil and the aqueous phase resists externally applied viscous forces. Lowering the interfacial tension helps recover additional oil by reducing the capillary forces.