Top drive torque track and method of installing same
US5381867A · kind A · utility
30Cited by
22References
7Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 24, 1994 |
| Grant date | Jan 17, 1995 |
| Priority date | — |
| Expiry date | Mar 24, 2014 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B15/00
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
An improved top drive torque track system and method of installation. The apparatus includes a plurality of elongated segments having male and female ends and a mechanism for drawing up and securing adjacent members together. The installation process includes suspending adjacent segments from the top drive unit and threadably engaging the sections using a securing system which sequentially mates adjacent elongated housings until a torque track system the length of the mast is assembled.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.