Compositions and methods for plugging and sealing a subterranean formation
US7331390B2 · kind B2 · utility
27Cited by
4References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 20, 2005 |
| Grant date | Feb 19, 2008 |
| Priority date | — |
| Expiry date | Feb 12, 2026 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09K8/512
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The invention provides for a composition for treating a subterranean formation, the composition comprising: a) a crosslinkable water-soluble polymer comprising at least one acylated amine unit; and b) a crosslinkable water-soluble polymer comprising a functional group selected from the group consisting of carboxylic acid and carboxylic acid derivative. The invention also provides for a method of treating a subterranean formation penetrated by a wellbore, the method comprising the steps of forming the treatment fluid and introducing the treatment fluid through the wellbore and into contact with the formation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.