Method for slim hole single trip remedial or plug and abandonment cement barrier
US11280156B2 · kind B2 · utility
0Cited by
10References
14Claims
0Family size
Assignee
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Key dates
| Filing date | Apr 6, 2020 |
| Grant date | Mar 22, 2022 |
| Priority date | — |
| Expiry date | May 17, 2040 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B43/117
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A new tool and methodology to work, in a single-trip system, and create conduits through the casing or tubing to access the annuli, circulate out the annuli contents, accurately deliver the cement required to create the subsequent barrier. The tool and system provide a cost effective way of plugging an oil and gas well in a single trip without the need to remove in-place production casing.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.