Modular top drive lubrication system and methods
US8151909B2 · kind B2 · utility
6Cited by
12References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 13, 2010 |
| Grant date | Apr 10, 2012 |
| Priority date | — |
| Expiry date | Oct 13, 2030 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T408/675
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A top drive system with a plurality of top drive modules, which are configured to be quickly exchanged. The top drive modules may include any or all of the following: a main body module, a gearbox module, a drive motor module, a pipe handler module, an upper fluid module, a lower well control valve module, a block interface module, a retract system interface frame module, a cooling system module, a work platform guard module, and a quill saver sub module. Alternatively, the top drive may comprise a first top drive and a second top drive which are configured to be quickly exchanged.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.