Stimuli-degradable gels
US7306040B1 · kind B1 · utility
11Cited by
9References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 2, 2006 |
| Grant date | Dec 11, 2007 |
| Priority date | — |
| Expiry date | Jun 2, 2026 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09K8/685
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Some methods are provided that comprise: providing a treatment fluid comprising an aqueous fluid, and a stimuli-degradable gel formed by a reaction comprising a gelling agent, and a stimuli-degradable cross linking agent that includes at least one degradable group and two unsaturated terminal groups; placing the treatment fluid into a subterranean formation; and allowing the stimuli-degradable gel to degrade.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.