Divinyl sulfone crosslinking agents and methods of use in subterranean applications
US7131492B2 · kind B2 · utility
1Cited by
21References
31Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 20, 2004 |
| Grant date | Nov 7, 2006 |
| Priority date | — |
| Expiry date | Oct 20, 2024 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09K2208/26
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
This invention relates to divinyl sulfone crosslinking agents, viscosified treatment fluids, and methods of using these compositions in applications wherein viscosified treatment fluids may be used. In one embodiment, this invention provides a method of treating a portion of a subterranean formation comprising: providing a viscosified treatment fluid that comprises an aqueous base fluid and a crosslinked gelling agent, the crosslinked gelling agent comprising at least one alkyl sulfone bridge, and treating the portion of the subterranean formation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.