Adjustable injection valve for a plug and abandonment anchoring device
US11920430B2 · kind B2 · utility
0Cited by
4References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 30, 2021 |
| Grant date | Mar 5, 2024 |
| Priority date | — |
| Expiry date | May 20, 2042 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B33/134
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A wellbore anchoring device having an adjustable injection valve is disclosed. The anchoring device can include the adjustable injection valve and a spring. The spring can be positioned adjacent to the adjustable injection valve. The spring can include an initial pressure setting that is adjustable prior to the anchoring device being positioned in a wellbore to adjust a cracking pressure of the adjustable injection valve.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.