Method for slim hole single trip remedial or plug and abandonment cement barrier
US10612343B2 · kind B2 · utility
4Cited by
9References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 21, 2016 |
| Grant date | Apr 7, 2020 |
| Priority date | — |
| Expiry date | Jul 21, 2036 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B43/117
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
Provided in one aspect is 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 provided by this aspect 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.