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

Oil recovery method using a surfactant

Patent ·
OSTI ID:7239820
A method is disclosed for recovering oil from a subterranean oil-bearing formation wherein a liquid solution is injected into and driven through the formation and oil is recovered from the formation. The liquid solution contains an effective amount of a surface-active agent which provides a high degree of surface activity in reservoirs having a high salinity environment.
Assignee:
Exxon Production Research Co.
Patent Number(s):
US 3977471
OSTI ID:
7239820
Country of Publication:
United States
Language:
English