Secondary recovery using carbon dioxide and an inert gas
Patent
·
OSTI ID:6555812
Recovery of oil from an oil-bearing reservoir is effected by the injection of a mixture of carbon dioxide and an inert gas in a critical ratio whereby there is formed a miscible transition zone between the mixture and the reservoir oil. (9 claims)
- Assignee:
- Texaco Inc.
- Patent Number(s):
- US 3811501
- OSTI ID:
- 6555812
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
02 PETROLEUM
020300* -- Petroleum-- Drilling & Production
CARBON COMPOUNDS
CARBON DIOXIDE
CARBON OXIDES
CHALCOGENIDES
ENERGY SOURCES
ENHANCED RECOVERY
FLUID INJECTION
FLUIDS
FOSSIL FUELS
FUELS
GAS INJECTION
GASES
MISCIBLE-PHASE DISPLACEMENT
OIL WELLS
OXIDES
OXYGEN COMPOUNDS
PETROLEUM
RECOVERY
WELLS
020300* -- Petroleum-- Drilling & Production
CARBON COMPOUNDS
CARBON DIOXIDE
CARBON OXIDES
CHALCOGENIDES
ENERGY SOURCES
ENHANCED RECOVERY
FLUID INJECTION
FLUIDS
FOSSIL FUELS
FUELS
GAS INJECTION
GASES
MISCIBLE-PHASE DISPLACEMENT
OIL WELLS
OXIDES
OXYGEN COMPOUNDS
PETROLEUM
RECOVERY
WELLS