Stand compensator
US8162045B2 · kind B2 · utility
0Cited by
52References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 15, 2009 |
| Grant date | Apr 24, 2012 |
| Priority date | — |
| Expiry date | Jun 15, 2030 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B19/086
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
Methods and apparatus for connecting a tubular to a tubular string are provided. In one embodiment, an apparatus suitable for engaging, compensating, and connecting a tubular includes one or more compensating pistons, an engaging assembly for engaging a tubular, and a connector for connecting the engaging assembly to the one or more compensating pistons while allowing for rotation of the tubular relative to the compensation pistons.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.