Process for secondary recovery
Patent
·
OSTI ID:5516125
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 copolymer of acrylamide and vinyl sulfonic acid or salts thereof or with a copolymer of acrylamide and styrene sulfonic acid or salts thereof as well as these same copolymers alkoxylated with an alkylene oxide. Optionally, the drive fluid can be saturated with carbon dioxide, nitrogen, natural gas or mixtures of these gases.
- Assignee:
- Texaco Development Corp.
- Patent Number(s):
- US 4406799
- OSTI ID:
- 5516125
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
02 PETROLEUM
020300* -- Petroleum-- Drilling & Production
ACRYLAMIDE
AMIDES
COPOLYMERS
ENHANCED RECOVERY
FLUID INJECTION
GAS INJECTION
MATERIALS
MONOMERS
OIL WELLS
ORGANIC ACIDS
ORGANIC COMPOUNDS
ORGANIC NITROGEN COMPOUNDS
ORGANIC POLYMERS
ORGANIC SULFUR COMPOUNDS
PETROCHEMICALS
PETROLEUM PRODUCTS
PLASTICS
POLYMERS
POLYOLEFINS
POLYSTYRENE
POLYVINYLS
RECOVERY
STIMULATION
SULFONIC ACIDS
SYNTHETIC MATERIALS
VINYL MONOMERS
WATERFLOODING
WELL STIMULATION
WELLS
020300* -- Petroleum-- Drilling & Production
ACRYLAMIDE
AMIDES
COPOLYMERS
ENHANCED RECOVERY
FLUID INJECTION
GAS INJECTION
MATERIALS
MONOMERS
OIL WELLS
ORGANIC ACIDS
ORGANIC COMPOUNDS
ORGANIC NITROGEN COMPOUNDS
ORGANIC POLYMERS
ORGANIC SULFUR COMPOUNDS
PETROCHEMICALS
PETROLEUM PRODUCTS
PLASTICS
POLYMERS
POLYOLEFINS
POLYSTYRENE
POLYVINYLS
RECOVERY
STIMULATION
SULFONIC ACIDS
SYNTHETIC MATERIALS
VINYL MONOMERS
WATERFLOODING
WELL STIMULATION
WELLS