Patent ID: 11959012
Assignee: TIANJIN BRANCH OF CHINA NATIONAL OFFSHORE OIL CORPORATION LTD.
Field: Basic materials chemistry (Chemistry)
Classification: CPC C | IPC C

Claim 0:
1. A temperature-resistant and salt-resistant modified nano-graphite dispersed particle gel system with a strong self-growth effect comprising a temperature-resistant and salt-resistant functional polymer, a cross-linking agent, a chelating agent, and a modified nano-graphite inducer; the modified nano-graphite inducer comprises nano-graphite oxide particles and monofunctional polyether amine covalently grafted on the surfaces of the nano-graphite oxide particles through amido bonds, and the structural formula of the monofunctional polyether amine is as shown in formula (I):, wherein R1 is one selected from C1-C5 alkyl groups; R2 is H or one of C1-C5 alkyl groups; and n is an integer from 10 to 60.