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Title: Sulfone cosurfactants in enhanced oil recovery processes

Patent ·
OSTI ID:5983314

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.

Assignee:
Phillips Petroleum Company
Patent Number(s):
US 4485872
OSTI ID:
5983314
Resource Relation:
Patent File Date: Filed date 10 Dec 1982; Other Information: PAT-APPL-448872
Country of Publication:
United States
Language:
English