Sulfone cosurfactants in enhanced oil recovery processes

Details Sulfone cosurfactants in enhanced oil recovery processes Sulfone cosurfactants in enhanced oil recovery processes

1982-12-10

1984-12-04

Guynn, Herbert B.

Wells

Processes

Distinct, separate injection and producing wells

252 855D, 252353, E21B 4322

Patent

active

044858728

ABSTRACT:
A surfactant system useful for oil recovery consisting essentially of a NaCl, a hydrocarbon sulfonate surfactant, such as a petroleum sulfonate, and a cosurfactant such as a sulfone or sulfolane derivative. In another embodiment, a C.sub.1 to C.sub.8 alcohol is additionally present as a cosurfactant.

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