Wellbore fluids for use downhole
US10253234B2 · kind B2 · utility
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4References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 29, 2016 |
| Grant date | Apr 9, 2019 |
| Priority date | — |
| Expiry date | Jul 29, 2036 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09K8/032
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A wellbore fluid may include a base fluid, and a ground weight material comprising barite and quartz and having a d50 between about 4 and 8 microns and a d90 between about 15-25 microns. The ground weight material of the wellbore fluid may have a specific gravity of less than or equal to about 4.2.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.