Downhole actuation tools
US7562713B2 · kind B2 · utility
5Cited by
13References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 21, 2006 |
| Grant date | Jul 21, 2009 |
| Priority date | — |
| Expiry date | Jul 9, 2026 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B23/0421
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
Implementations of various technologies are directed to a downhole actuation tool. In one implementation, the downhole actuation tool includes a tubular housing, an oil piston disposed inside the tubular housing, and a first housing disposed inside the tubular housing. The first housing includes an orifice. The downhole actuation tool may further include an oil chamber defined by the oil piston, the first housing and the tubular housing. The oil chamber includes oil. The downhole actuation tool may further include a sliding element disposed inside the tubular housing proximate the first housing.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.