Rotation inhibiting apparatus
US8985201B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 29, 2013 |
| Grant date | Mar 24, 2015 |
| Priority date | — |
| Expiry date | Oct 29, 2033 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B19/08
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
Embodiments disclosed herein relate to methods and apparatus to inhibit rotation within a drilling rig. The apparatus may include a first member connected to a first component of the drilling rig, and a second member connected to the first member and connected to a second component of the drilling rig, the second component configured to move vertically with respect to the first component. The first member is configured to move vertically with respect to the second member and the first member and the second member substantially inhibit rotation between each other. The apparatus may include a rotational adjustment system, in which the rotational adjustment system is used to connect with one of the components of the drilling rig.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.