Downhole fluids and methods of use thereof
US11168241B2 · kind B2 · utility
2Cited by
9References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 6, 2019 |
| Grant date | Nov 9, 2021 |
| Priority date | — |
| Expiry date | Nov 17, 2039 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09K2208/34
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The present disclosure relates to downhole fluid additives including a clay, a hydroxylated polymer, a cation, and water. The disclosure further relates to downhole fluids, including drilling fluids, spaces, cements, and proppant delivery fluids containing such as downhole fluid additive and methods of using such fluids. The downhole fluid additive may have any of a variety of functions in the downhole fluid and may confer any of a variety of properties upon it, such as salt tolerance or desired viscosities even at high downhole temperatures.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.