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

Use of microemulsions in miscible-type oil recovery procedure

Patent ·
OSTI ID:6485188

In a method of using microemulsions in miscible-type oil recovery procedure, there is injected into the formation a microemulsion containing at least 10% water as the dispersed phase. This is followed by an injection of water to drive the microemulsion toward production well or wells. The microemulsion can contain an at least partially oil-soluble sulfonate surfactant and up to 20% water as the dispersed phase.

Assignee:
Marathon Oil Co.
Patent Number(s):
US 3254714
OSTI ID:
6485188
Country of Publication:
United States
Language:
English