Drilling fluid composition including viscosifier and method of using the same
US10717912B2 · kind B2 · utility
2Cited by
19References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 20, 2013 |
| Grant date | Jul 21, 2020 |
| Priority date | — |
| Expiry date | Aug 23, 2034 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09K2208/26
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The present invention relates to drilling fluid compositions and methods of using the same. In various embodiments, the present invention provides a method of treating a subterranean formation including obtaining or providing a drilling fluid composition including a viscosifier including at least one of a poly(vinyl alcohol) copolymer, a crosslinked poly(vinyl alcohol), and a crosslinked poly(vinyl alcohol) copolymer. The method also includes placing the composition in a subterranean formation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.