Crosslinkable-polymer compositions and associated methods
US7322414B2 · kind B2 · utility
20Cited by
8References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 28, 2005 |
| Grant date | Jan 29, 2008 |
| Priority date | — |
| Expiry date | Nov 10, 2025 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09K8/512
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Crosslinkable-polymer compositions are provided that may be useful for, among other things, reducing, stopping, or diverting the flow of fluids in subterranean formations. The crosslinkable-polymer compositions may comprise an aqueous fluid, a chitosan-reacting polymer, chitosan, and a gelation-retarding additive comprising an acid derivative. Various methods of use are also provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.