Leak-proof lost-circulation control water-based drilling fluid composition and preparation method and use thereof
US11542425B1 · kind B1 · utility
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12Claims
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Key dates
| Filing date | Apr 22, 2022 |
| Grant date | Jan 3, 2023 |
| Priority date | — |
| Expiry date | Apr 22, 2042 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B21/003
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The present disclosure a leak-proof lost-circulation control water-based drilling fluid composition and preparation method and use thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.