Method for sealing a bore
US11807804B2 · kind B2 · utility
0Cited by
2References
12Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 15, 2022 |
| Grant date | Nov 7, 2023 |
| Priority date | — |
| Expiry date | Jun 15, 2042 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B33/138
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
In one aspect, a method for plugging a bore includes pumping a slurry composition comprising a swellable phyllosilicate clay in an amount of 70 wt % or less into the bore, and permitting compaction of the phyllosilicate clay in the slurry to plug the bore.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.