Weighted fluids for treatment of subterranean formations
US11162008B2 · kind B2 · utility
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2References
15Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 2, 2016 |
| Grant date | Nov 2, 2021 |
| Priority date | — |
| Expiry date | Mar 24, 2037 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B43/00
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A method includes placing a weighted fluid in the subterranean formation. The weighted fluid includes calcium bromide. The weighted fluid includes one or more secondary salts that are each independently an inorganic bromide salt other than calcium bromide. The weighted fluid also includes water. The weighted fluid has a density at standard temperature and pressure of at least about 1.7 g/cm3.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.