Dual drive directional drilling system
US9127510B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 12, 2012 |
| Grant date | Sep 8, 2015 |
| Priority date | — |
| Expiry date | Sep 6, 2033 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B7/04
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A dual drive drilling system having a plurality of drill rods that make up a drill string and a steering element for controlling the path of the drill string is disclosed. The dual drive drilling system also includes a drill bit located near the end of the drill string, a first rotational drive for controlling the rotation of a steering element, and a second rotational drive for controlling the rotation of a drill bit. Further, the dual drive drilling system also includes a joystick capable of moving along a first and second axis for controlling both the first and second rotational drives, wherein the movement of the joystick along the first axis controls rotation of the first rotational drive, and the movement of the joystick along the second axis controls rotation of the second rotational drive.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.