Use of materials as waterflood additives. [polyethoxylated alcohol]
Patent
·
OSTI ID:7365842
In a method of recovering crude oil from a subterranean formation by a waterflooding process, the improvement is that the waterflood is preceded by injection into said formation of a slug of a transparent, aqueous solution of a water-soluble, sulfated, polyethoxylated alcohol, said aqueous solution being substantially free of any other thickening agent and any other surface active agent.
- Assignee:
- Exxon Production Research Co.
- Patent Number(s):
- US 3946812
- OSTI ID:
- 7365842
- Country of Publication:
- United States
- Language:
- English
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