Oil recovery by fluorochemical surfactant waterflooding
Patent
·
OSTI ID:6325145
The instant invention relates to the recovery of oil from subterranean oil reservoirs involving the injection of an aqueous based liquid containing a fluorochemical surfactant possessing an oleophobic-hydrophobic fluoroaliphatic group, a hydrophilic group and an oleophilic group, optionally in conjugation with a conventional enhanced oil recovery surfactant.
- Assignee:
- Ciba-Geigy Corporation
- Patent Number(s):
- US 4460791
- OSTI ID:
- 6325145
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
02 PETROLEUM
020300* -- Petroleum-- Drilling & Production
AQUEOUS SOLUTIONS
CHEMICAL COMPOSITION
DISPERSIONS
DISPLACEMENT FLUIDS
ENERGY SOURCES
ENHANCED RECOVERY
FLUID INJECTION
FLUIDS
FLUORINATED ALIPHATIC HYDROCARBONS
FOSSIL FUELS
FUELS
HALOGENATED ALIPHATIC HYDROCARBONS
MIXTURES
OIL WELLS
ORGANIC COMPOUNDS
ORGANIC FLUORINE COMPOUNDS
ORGANIC HALOGEN COMPOUNDS
PETROLEUM
PH VALUE
RECOVERY
SOLUBILITY
SOLUTIONS
SURFACE PROPERTIES
SURFACE TENSION
SURFACTANTS
WATERFLOODING
WELLS
020300* -- Petroleum-- Drilling & Production
AQUEOUS SOLUTIONS
CHEMICAL COMPOSITION
DISPERSIONS
DISPLACEMENT FLUIDS
ENERGY SOURCES
ENHANCED RECOVERY
FLUID INJECTION
FLUIDS
FLUORINATED ALIPHATIC HYDROCARBONS
FOSSIL FUELS
FUELS
HALOGENATED ALIPHATIC HYDROCARBONS
MIXTURES
OIL WELLS
ORGANIC COMPOUNDS
ORGANIC FLUORINE COMPOUNDS
ORGANIC HALOGEN COMPOUNDS
PETROLEUM
PH VALUE
RECOVERY
SOLUBILITY
SOLUTIONS
SURFACE PROPERTIES
SURFACE TENSION
SURFACTANTS
WATERFLOODING
WELLS