Soluble oil composition
Patent
·
OSTI ID:7299606
The oil-external microemulsion contained Petronate CR (oil-soluble alkyl aryl monosulfonates), Pyronate 30 (water-soluble alkyl aryl monosulfonates), Illinois crude oil (gravity 39/sup 0/ API), butyl Cellosolve, and 4 percent by volume water. Six-foot packs of Nevada 130 sand were saturated with brine, flooded with Illinois crude, and waterflooded with brine. A maximum recovery of 88.3 percent OIP was obtained by the surfactant slug, the polymer (Pusher 500) flood, and a brine drive fluid. The volume ratio of oil-soluble to water-soluble surfactant was 2.5.
- Assignee:
- Union Oil Co. of California
- Patent Number(s):
- US 3697424
- OSTI ID:
- 7299606
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
02 PETROLEUM
020300* -- Petroleum-- Drilling & Production
COLLOIDS
DISPERSIONS
EMULSIONS
ENERGY SOURCES
ENHANCED RECOVERY
ESTERS
FLUID INJECTION
FOSSIL FUELS
FUELS
MICROEMULSION FLOODING
MICROEMULSIONS
MISCIBLE-PHASE DISPLACEMENT
OIL WELLS
ORGANIC COMPOUNDS
ORGANIC SULFUR COMPOUNDS
PETROLEUM
PETROLEUM SULFONATES
SAND
SULFONATES
SULFONIC ACID ESTERS
SURFACTANTS
WELLS
020300* -- Petroleum-- Drilling & Production
COLLOIDS
DISPERSIONS
EMULSIONS
ENERGY SOURCES
ENHANCED RECOVERY
ESTERS
FLUID INJECTION
FOSSIL FUELS
FUELS
MICROEMULSION FLOODING
MICROEMULSIONS
MISCIBLE-PHASE DISPLACEMENT
OIL WELLS
ORGANIC COMPOUNDS
ORGANIC SULFUR COMPOUNDS
PETROLEUM
PETROLEUM SULFONATES
SAND
SULFONATES
SULFONIC ACID ESTERS
SURFACTANTS
WELLS