Micellar slug for oil recovery
Patent
·
OSTI ID:6415207
A micellar slug for use in the recovery of oil, the slug containing a hydrocarbon, an aqueous medium, a surfactant, and a cosurfactant. The surfactant contains as an essential component an internal olefin sulfonate. This micellar slug has an excellent capability for decreasing an interfacial tension between oil and water and an excellent salinity tolerance and hard-water resistance. Furthermore, the micro-emulsion can be formed from this micellar slug in a wide composition range.
- Assignee:
- Lion Corporation (Japan)
- Patent Number(s):
- US 4532053
- OSTI ID:
- 6415207
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
02 PETROLEUM
020300* -- Petroleum-- Drilling & Production
ALKANES
AQUEOUS SOLUTIONS
CHEMICAL COMPOSITION
DISPERSIONS
DISPLACEMENT FLUIDS
ENHANCED RECOVERY
FLUID INJECTION
FLUIDS
GROUND WATER
HYDROCARBONS
HYDROGEN COMPOUNDS
INTERSTITIAL WATER
MICROEMULSION FLOODING
MISCIBLE-PHASE DISPLACEMENT
MIXTURES
OIL WELLS
ORGANIC COMPOUNDS
ORGANIC SULFUR COMPOUNDS
OXYGEN COMPOUNDS
RECOVERY
RESERVOIR FLUIDS
SALINITY
SOLUTIONS
SULFONATES
SURFACE PROPERTIES
SURFACE TENSION
SURFACTANTS
WATER
WATERFLOODING
WELLS
020300* -- Petroleum-- Drilling & Production
ALKANES
AQUEOUS SOLUTIONS
CHEMICAL COMPOSITION
DISPERSIONS
DISPLACEMENT FLUIDS
ENHANCED RECOVERY
FLUID INJECTION
FLUIDS
GROUND WATER
HYDROCARBONS
HYDROGEN COMPOUNDS
INTERSTITIAL WATER
MICROEMULSION FLOODING
MISCIBLE-PHASE DISPLACEMENT
MIXTURES
OIL WELLS
ORGANIC COMPOUNDS
ORGANIC SULFUR COMPOUNDS
OXYGEN COMPOUNDS
RECOVERY
RESERVOIR FLUIDS
SALINITY
SOLUTIONS
SULFONATES
SURFACE PROPERTIES
SURFACE TENSION
SURFACTANTS
WATER
WATERFLOODING
WELLS