Communication and lock open safety valve system and method
US9903181B2 · kind B2 · utility
1Cited by
9References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 10, 2014 |
| Grant date | Feb 27, 2018 |
| Priority date | — |
| Expiry date | Mar 12, 2036 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B2200/05
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A downhole system includes a safety valve system. The safety valve system includes a tubular housing having a hydraulic control chamber, and a lock-open communication sleeve within the tubular housing. The sleeve is longitudinally movable with respect to the tubular housing. The sleeve has a downhole end portion configured to abut and enact downhole movement of a flow tube. The sleeve further has a radial communication sort alignable with the hydraulic control chamber. A method of communicating and locking open the safety valve includes using the sleeve.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.