Method of enhanced oil recovery and compositions useful therein

Details Method of enhanced oil recovery and compositions useful therein Method of enhanced oil recovery and compositions useful therein

1984-02-06

1985-10-22

Guynn, Herbert B.

Compositions

Leather or fur treating

166274, 166275, E21B 4322

Patent

active

045487219

ABSTRACT:
A method for the enhanced recovery of oil comprised of injecting into an oil containing formation a surfactant system comprised of an oil soluble amine modified lignin and an anionic or nonionic surfactant; driving the surfactant system through the formation and producing the oil mobilized by the surfactant system. A surfactant composition useful for enhanced oil recovery methods comprised of an oil soluble amine modified lignin and an anionic or nonionic surfactant.

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Bansal et al., The Canadian Journal of Chemical Engineering, vol. 57, Apr. 1979, pp. 203-210.
Neale et al., Can. J. Chem., vol. 59, 1981, pp. 1938-1943.
Chiwetelu et al., The Journal of Canadian Petroleum Technology, 1980, pp. 91-99.

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