Top drive stand compensator with fill up tool
US9598916B2 · kind B2 · utility
0Cited by
7References
23Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 29, 2013 |
| Grant date | Mar 21, 2017 |
| Priority date | — |
| Expiry date | Feb 3, 2035 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B21/02
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A compensation and fill up assembly comprises a slip assembly for engaging a tubular and a compensation assembly for supporting a weight of the tubular when engaged by the slip assembly. The compensation and fill up assembly further comprises a fluid swivel and a fill up tool coupled to the fluid swivel by a fluid shaft. The fill up tool is insertable into and rotatable with the tubular using the fluid swivel.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.