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
- Resource Relation:
- Patent File Date: Filed date 20 May 1982; Other Information: PAT-APPL-380372
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
02 PETROLEUM
OIL WELLS
WATERFLOODING
AQUEOUS SOLUTIONS
CHEMICAL COMPOSITION
DISPLACEMENT FLUIDS
ENHANCED RECOVERY
FLUORINATED ALIPHATIC HYDROCARBONS
PETROLEUM
PH VALUE
SOLUBILITY
SURFACE TENSION
SURFACTANTS
DISPERSIONS
ENERGY SOURCES
FLUID INJECTION
FLUIDS
FOSSIL FUELS
FUELS
HALOGENATED ALIPHATIC HYDROCARBONS
MIXTURES
ORGANIC COMPOUNDS
ORGANIC FLUORINE COMPOUNDS
ORGANIC HALOGEN COMPOUNDS
RECOVERY
SOLUTIONS
SURFACE PROPERTIES
WELLS
020300* - Petroleum- Drilling & Production
OIL WELLS
WATERFLOODING
AQUEOUS SOLUTIONS
CHEMICAL COMPOSITION
DISPLACEMENT FLUIDS
ENHANCED RECOVERY
FLUORINATED ALIPHATIC HYDROCARBONS
PETROLEUM
PH VALUE
SOLUBILITY
SURFACE TENSION
SURFACTANTS
DISPERSIONS
ENERGY SOURCES
FLUID INJECTION
FLUIDS
FOSSIL FUELS
FUELS
HALOGENATED ALIPHATIC HYDROCARBONS
MIXTURES
ORGANIC COMPOUNDS
ORGANIC FLUORINE COMPOUNDS
ORGANIC HALOGEN COMPOUNDS
RECOVERY
SOLUTIONS
SURFACE PROPERTIES
WELLS
020300* - Petroleum- Drilling & Production