Micellar slug for oil recovery

Patent · Tue Jul 30 00:00:00 EDT 1985

OSTI ID:6415207

Morita, H; Kawada, Y; Yamada, J I

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
• Resource Relation: Patent Priority Date: Priority date 17 Jan 1983, Japan; Other Information: PAT-APPL-458360
• Country of Publication: United States
• Language: English

Related Subjects

02 PETROLEUM
DISPLACEMENT FLUIDS
CHEMICAL COMPOSITION
OIL WELLS
MICROEMULSION FLOODING
WATERFLOODING
ALKANES
AQUEOUS SOLUTIONS
ENHANCED RECOVERY
HYDROCARBONS
INTERSTITIAL WATER
RESERVOIR FLUIDS
SALINITY
SULFONATES
SURFACE TENSION
SURFACTANTS
DISPERSIONS
FLUID INJECTION
FLUIDS
GROUND WATER
HYDROGEN COMPOUNDS
MISCIBLE-PHASE DISPLACEMENT
MIXTURES
ORGANIC COMPOUNDS
ORGANIC SULFUR COMPOUNDS
OXYGEN COMPOUNDS
RECOVERY
SOLUTIONS
SURFACE PROPERTIES
WATER
WELLS
020300* - Petroleum- Drilling & Production