Viscosified treatment fluids comprising polycarboxylic acid gelling agents and associated methods
US8129317B2 · kind B2 · utility
1Cited by
19References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 2, 2005 |
| Grant date | Mar 6, 2012 |
| Priority date | — |
| Expiry date | Sep 22, 2030 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09K2208/26
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
In one embodiment, the present invention provides a fluid comprising: an aqueous base fluid; and a gelling agent that comprises a polymerizable polycarboxylic acid and that is at least partially crosslinked by a crosslinking reaction comprising a crosslinking agent.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.