Pipe running tool having a primary load path
US7699121B2 · kind B2 · utility
36Cited by
48References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 24, 2005 |
| Grant date | Apr 20, 2010 |
| Priority date | — |
| Expiry date | Aug 16, 2025 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B44/00
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A system for coupling a pipe segment to a pipe string is provided that includes a top drive assembly having a threaded output shaft; and a pipe running tool threadingly coupled to the threaded output shaft of the top drive assembly such that the primary load of the pipe running tool is supported by the threads of the output shaft of the top drive assembly, and wherein the pipe running tool is rotatable by the output shaft and further includes a pipe engaging portion for grippingly engaging the pipe segment sufficient to transmit a torque from the top drive output shaft to the pipe segment.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.