Actuation apparatus of a directional drilling module
US10851591B2 · kind B2 · utility
0Cited by
10References
20Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 12, 2015 |
| Grant date | Dec 1, 2020 |
| Priority date | — |
| Expiry date | Jul 14, 2036 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B7/062
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
An actuation apparatus includes a housing comprising a housing bore extending through the housing, an adjustment shaft comprising an adjustment shaft bore extending through the adjustment shaft, the adjustment shaft positioned at least partially within housing bore, and a steering shaft positioned at least partially within the adjustment shaft bore and rotatable with respect to the adjustment shaft.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.