Methods and compositions for delaying the release of treatment chemicals
US8586510B2 · kind B2 · utility
3Cited by
14References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 15, 2005 |
| Grant date | Nov 19, 2013 |
| Priority date | — |
| Expiry date | Oct 23, 2028 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09K8/94
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A method comprising: providing at least one encaged treatment chemical that comprises a treatment chemical and a polymer carrier; placing the encaged treatment chemical into a portion of a subterranean formation; and allowing the treatment chemical to diffuse out of the encaged treatment chemical and into a portion of the subterranean formation or an area adjacent thereto.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.