Downhole release tool and method
US7373974B2 · kind B2 · utility
36Cited by
8References
32Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 30, 2004 |
| Grant date | May 20, 2008 |
| Priority date | — |
| Expiry date | Aug 21, 2025 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B17/06
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A release tool includes a first subassembly and a second subassembly. A connector is operable to selectively coupled the first subassembly to the second subassembly. A release guard is operable to selectively inhibit release of the connector. The release guard operable to inhibit release of the connector in response to a pressure difference between an interior of the release tool and an exterior of the release tool.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.