Automated roughneck
US9657539B2 · kind B2 · utility
17Cited by
0References
58Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 1, 2014 |
| Grant date | May 23, 2017 |
| Priority date | — |
| Expiry date | Jun 20, 2035 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B19/164
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
An automated roughneck may include a backup tong and a makeup tong. The makeup tong and backup tong may be selectively movable relative to one another. The makeup tong and backup tong may include spinner and gripper assemblies respectively adapted to make up and break out threaded connections. The automated roughneck may be configurable to be removable from the drill string in a lateral direction.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.