High pressure high temperature (HPHT) well tool control system and method
US9316076B2 · kind B2 · utility
7Cited by
10References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 23, 2011 |
| Grant date | Apr 19, 2016 |
| Priority date | — |
| Expiry date | Aug 25, 2034 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49407
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
Methods and apparatus are disclosed. The problems of damage and failure of solenoid valves in high pressure high temperature environments and the problem of difficult repair of solenoid valves are addressed through reduction of the possibility of damage to the ball seat and/or seals and through a modular design to increase the ease of repair and adjustment in the event repair is needed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.