Secondary recovery process
Patent
·
OSTI ID:5238530
Hydrocarbons are recovered from a subterranean hydrocarbon bearing formation penetrated by an injection well and a production well by displacing hydrocarbons toward the production well using a drive fluid such as water thickened with a terpolymer of acrylamide, acrylonitrile and acrylic acid or a terpolymer of acrylamide, acrylonitrile and acrylic acid alkoxylated with ethylene oxide. If desired, the drive fluid may be saturated with carbon dioxide and/or natural gas at the injection pressure.
- Assignee:
- Texaco Inc
- Patent Number(s):
- US 4323463
- OSTI ID:
- 5238530
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
02 PETROLEUM
020300* -- Petroleum-- Drilling & Production
ADDITIVES
BRINES
CARBON COMPOUNDS
CARBON DIOXIDE
CARBON OXIDES
CHALCOGENIDES
ENERGY SOURCES
ENHANCED RECOVERY
FLUID INJECTION
FLUIDS
FOSSIL FUELS
FUEL GAS
FUELS
GAS FUELS
GASES
HYDROCARBONS
INJECTION WELLS
NATURAL GAS
OIL WELLS
ORGANIC COMPOUNDS
OXIDES
OXYGEN COMPOUNDS
POLYMERS
RECOVERY
STIMULATION
WATERFLOODING
WELL STIMULATION
WELLS
020300* -- Petroleum-- Drilling & Production
ADDITIVES
BRINES
CARBON COMPOUNDS
CARBON DIOXIDE
CARBON OXIDES
CHALCOGENIDES
ENERGY SOURCES
ENHANCED RECOVERY
FLUID INJECTION
FLUIDS
FOSSIL FUELS
FUEL GAS
FUELS
GAS FUELS
GASES
HYDROCARBONS
INJECTION WELLS
NATURAL GAS
OIL WELLS
ORGANIC COMPOUNDS
OXIDES
OXYGEN COMPOUNDS
POLYMERS
RECOVERY
STIMULATION
WATERFLOODING
WELL STIMULATION
WELLS