Traction control for downhole tractor
US7143843B2 · kind B2 · utility
29Cited by
9References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 5, 2004 |
| Grant date | Dec 5, 2006 |
| Priority date | — |
| Expiry date | Aug 6, 2024 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B23/001
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
Apparatus, system and methods useful for controlling the traction of a downhole tractor in a borehole include the capability of repeatedly adjusting the normal force applied to at least one component that causes movement of the tractor in the borehole.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.