Remote operation of a rotating control device bearing clamp
US9260934B2 · kind B2 · utility
5Cited by
64References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 10, 2011 |
| Grant date | Feb 16, 2016 |
| Priority date | — |
| Expiry date | Jan 29, 2034 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B33/085
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A rotating control device can include a housing assembly, a body and a clamp device which releasably secures the housing assembly to the body. The clamp device can include a piston which radially displaces a clamp section. A well system can include a rotating control device which includes at least one seal which seals off an annulus between a body of the rotating control device and a tubular string which extends longitudinally through the rotating control device. The rotating control device can also include a piston which displaces longitudinally and selectively clamps and unclamps a housing assembly to the body.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.