Patent ID: 11891873
Assignee: HALLIBURTON ENERGY SERVICES, INC.
Field: Basic materials chemistry (Chemistry)
Classification: CPC E  C | IPC C  E

Claim 4:
5. The method of claim 4, wherein the conformance gel system is a copolymer of acrylamide and tertiary butyl acrylate, 2-acrylamidomethyl propane sulfonic acid, a copolymer of acrylamide and tertiary butyl acrylate cross-linked with polyvinylamine, a copolymer of acrylamide and tertiary butyl acrylate cross-linked with polyvinyl alcohol, a copolymer of acrylamide and tertiary butyl acrylate cross-linked with polyvinylamine/alcohol, a polyacrylamide cross-linked with polyvinylamine/alcohol, a polyacrylamide cross-linked with polyvinylamine, a polyacrylamide cross-linked with polyvinyl alcohol, a combination of MgO and MgCl·6H2O, a copolymer of 2-acrylamidomethyl propane sulfonic acid and N,N-dimethyl acrylamide, a copolymer of 2-acrylamidomethyl propane sulfonic acid and acrylic acid, a copolymer of 2-acrylamidomethyl propane sulfonic acid and itaconic acid, or any combination thereof.