Surfactant waterflooding oil recovery method
Patent
·
OSTI ID:6385192
Disclosed is a novel surfactant fluid and an oil recovery method using the fluid for recovering oil from subterranean formations thereof by surfactant waterflooding process. The fluid comprises an alkylpolyalkoxyalkylene sulfonate or an alkylarylpolyalkoxyalkylene sulfonate and a stabilizing agent comprising a synergistic mixture of an alkanol and an alkyl phenol. The presence of the mixture of alkanol and phenol improves the phase stability of the fluid, increases the viscosity of the surfactant fluid, and reduces the adsorption of surfactant by the formation.
- Assignee:
- Texaco Inc
- Patent Number(s):
- US 4231427
- OSTI ID:
- 6385192
- Country of Publication:
- United States
- Language:
- English
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