Downhole adjustable bent housing for directional drilling
USRE39970E1 · kind E1 · reissue
14Cited by
55References
17Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 14, 2004 |
| Grant date | Jan 1, 2008 |
| Priority date | — |
| Expiry date | Apr 14, 2024 |
Classification
- Technology area (CPC —)General
Abstract
The present invention provides a hydraulically actuated downhole adjustable bent housing for use in directional drilling of bore holes and wells that allows adjustment of the housing from aligned to a bent configuration without raising or lowering the drillstring. The present invention also provides a method of directionally drilling a bore hole or a well using an downhole adjustable bent housing that can be operated without raising or lowering the drillstring.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.