Method and apparatus for connecting tubulars using a top drive
US6527047B1 · kind B1 · utility
149Cited by
39References
18Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 10, 2001 |
| Grant date | Mar 4, 2003 |
| Priority date | — |
| Expiry date | May 10, 2021 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B19/06
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
An apparatus for facilitating the connection of tubulars, said apparatus comprising a winch (15), at least one wire line (4, 5) and a device (2) for gripping a tubular (3), the arrangement being such that, in use, the winch (15) can be used to winch said at least one wire (4, 5) and said device (2) to position a tubular (3) below said top drive.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.