Staded preformed-surfactant-optimized aqueous alkine flood
Patent
·
OSTI ID:5503995
Oil is recovered from an acidic oil reservoir by injecting an alkaline, saline, aqueous solution containing proportions of preformed cosurfactant which are decreased as increasing amounts of the solution are injected.
- Assignee:
- Shell Oil Company
- Patent Number(s):
- US 4502541
- OSTI ID:
- 5503995
- Country of Publication:
- United States
- Language:
- English
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