Methods for completing a wellbore using high density brine containing colloidal particles
US12221578B2 · kind B2 · utility
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17Claims
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Key dates
| Filing date | Oct 12, 2022 |
| Grant date | Feb 11, 2025 |
| Priority date | — |
| Expiry date | Oct 12, 2042 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09K2208/10
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A wellbore fluid comprising an aqueous base fluid and a plurality of nanoparticles suspended in the aqueous base fluid. The nanoparticles are present in the wellbore fluid in an amount effective to have an effect of increasing the density by at least 0.2 lb/gal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.