Skip to main content
OSTI.GOVU.S. Department of Energy Office of Scientific and Technical Information
U.S. Department of Energy
Office of Scientific and Technical Information
 

Process for secondary recovery

Patent ·
OSTI ID:6841143

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 4431778
OSTI ID:
6841143
Country of Publication:
United States
Language:
English

Similar Records

Process for secondary recovery
Patent · Tue Sep 27 00:00:00 EDT 1983 · OSTI ID:5516125
Process for secondary recovery
Patent · Tue Aug 10 00:00:00 EDT 1982 · OSTI ID:6693230
Secondary recovery process
Patent · Tue Oct 14 00:00:00 EDT 1980 · OSTI ID:6857609

Related Subjects

02 PETROLEUM
020300* -- Petroleum-- Drilling & Production
ACRYLAMIDE
ALKENES
AMIDES
CARBON COMPOUNDS
CARBON DIOXIDE
CARBON OXIDES
CHALCOGENIDES
CHEMICAL COMPOSITION
COPOLYMERS
DISPLACEMENT FLUIDS
DISSOLVED GASES
ELEMENTS
ENERGY SOURCES
ENHANCED RECOVERY
EPOXIDES
FLUID INJECTION
FLUIDS
FOSSIL FUELS
FUEL GAS
FUELS
GAS FUELS
GASES
HETEROCYCLIC OXYGEN COMPOUNDS
HYDROCARBONS
HYDROGEN COMPOUNDS
INJECTION WELLS
MICROEMULSION FLOODING
MISCIBLE-PHASE DISPLACEMENT
MONOMERS
NATURAL GAS
NITROGEN
NONMETALS
OIL WELLS
ORGANIC ACIDS
ORGANIC COMPOUNDS
ORGANIC NITROGEN COMPOUNDS
ORGANIC OXYGEN COMPOUNDS
ORGANIC POLYMERS
ORGANIC SULFUR COMPOUNDS
OXIDES
OXYGEN COMPOUNDS
POLYAMIDES
POLYMERS
RECOVERY
SOLUTES
SULFONIC ACIDS
VINYL MONOMERS
WATER
WATERFLOODING
WELLS