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U.S. Department of Energy
Office of Scientific and Technical Information

Gas flooding process for the recovery of oil from subterranean formations

Patent ·
OSTI ID:7053170
An improved method for recovering hydrocarbon from a subterranean formation is described comprising sequentially injecting, through an injection well, a drive fluid of a gas or a gas/liquid mixture to drive the hydrocarbon from the formation to a producing well and a mobility control fluid of a surfactant/aqueous fluid mixture into the subterranean formation, the improvement in the method operating using one or more alkylated diphenyl sulfonates as the surfactant in the mobility control fluid.
Assignee:
Dow Chemical Co., Midland, MI
Patent Number(s):
US 4739831
OSTI ID:
7053170
Country of Publication:
United States
Language:
English