Surfactant waterflood method for the recovery of oil
Patent
·
OSTI ID:5903472
An improved surfactant waterflood method for the recovery of oil from a subterranean reservoir utilizing an anionic surface-active agent wherein an aqueous postflush slug containing a nonionic solubilizer is employed to minimize retention of the surfaceactive agent in the reservoir matrix.
- Assignee:
- Texaco Inc
- Patent Number(s):
- US 4276933
- OSTI ID:
- 5903472
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
02 PETROLEUM
020300* -- Petroleum-- Drilling & Production
ALCOHOLS
ANIONS
AQUEOUS SOLUTIONS
AROMATICS
CHARGED PARTICLES
DISPERSIONS
ENERGY SOURCES
ENHANCED RECOVERY
FLUID INJECTION
FOSSIL FUELS
FUELS
HYDROXY COMPOUNDS
INJECTION WELLS
IONS
MIXTURES
OIL WELLS
ORGANIC COMPOUNDS
ORGANIC SULFUR COMPOUNDS
PETROLEUM
PHENOLS
POLYMERS
RECOVERY
SOLUTIONS
SULFONATES
SURFACTANTS
THIOLS
WATERFLOODING
WELLS
020300* -- Petroleum-- Drilling & Production
ALCOHOLS
ANIONS
AQUEOUS SOLUTIONS
AROMATICS
CHARGED PARTICLES
DISPERSIONS
ENERGY SOURCES
ENHANCED RECOVERY
FLUID INJECTION
FOSSIL FUELS
FUELS
HYDROXY COMPOUNDS
INJECTION WELLS
IONS
MIXTURES
OIL WELLS
ORGANIC COMPOUNDS
ORGANIC SULFUR COMPOUNDS
PETROLEUM
PHENOLS
POLYMERS
RECOVERY
SOLUTIONS
SULFONATES
SURFACTANTS
THIOLS
WATERFLOODING
WELLS