Modified graphene shale inhibitors
US11230657B2 · kind B2 · utility
0Cited by
1References
9Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Mar 2, 2020 |
| Grant date | Jan 25, 2022 |
| Priority date | — |
| Expiry date | Mar 2, 2040 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09K2208/12
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A water-based wellbore fluid may include an aqueous base fluid and a modified graphene shale inhibitor that comprises one or more substituents that are covalently bonded to graphene via a linking group. One of the one or more substituents may be a hydrocarbon group that has a number of carbon atoms in the range from 8 to 14.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.