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Block copolymers for enhanced oil recovery

Patent ·
OSTI ID:6437903
;
A water soluble block copolymer is described comprising two or more water soluble polymer blocks, wherein the water soluble polymer blocks comprise polymerized monomers. The monomers are selected from the group consisting of acrylamide, methacrylamide, vinyl methyl ether, acrylic and methacrylic acid and their water soluble salts and N-substituted acrylamides.
Assignee:
Standard Oil Co., Cleveland, OH
Patent Number(s):
US 4666955
OSTI ID:
6437903
Country of Publication:
United States
Language:
English

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Related Subjects

02 PETROLEUM
020300* -- Petroleum-- Drilling & Production
ACRYLAMIDE
ACRYLIC ACID
ADDITIVES
AMIDES
CARBOXYLIC ACIDS
CHEMICAL REACTIONS
COPOLYMERS
ENERGY SOURCES
ENHANCED RECOVERY
ETHERS
FLUID INJECTION
FOSSIL FUELS
FUELS
METHACRYLIC ACID
METHYL ETHER
MONOCARBOXYLIC ACIDS
MONOMERS
OIL WELLS
ORGANIC ACIDS
ORGANIC COMPOUNDS
ORGANIC NITROGEN COMPOUNDS
ORGANIC OXYGEN COMPOUNDS
ORGANIC POLYMERS
PETROLEUM
POLYMERIZATION
POLYMERS
RECOVERY
SOLUBILITY
STIMULATION
VINYL MONOMERS
WATERFLOODING
WELL STIMULATION
WELLS