Remote intervention logic valving method and apparatus
US7516792B2 · kind B2 · utility
97Cited by
36References
26Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 28, 2003 |
| Grant date | Apr 14, 2009 |
| Priority date | — |
| Expiry date | Jul 28, 2023 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF15B13/07
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A system of valves in which the valves operate over a designated pressure interval and are arranged to actuate performance of a sequenced set of events by downhole tools with the application of pressure to said valves.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.