Hydraulic drive apparatus for downhole tools providing rotational and translational motion
US4431064A · kind A · utility
9Cited by
3References
4Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 5, 1981 |
| Grant date | Feb 14, 1984 |
| Priority date | — |
| Expiry date | Nov 5, 2001 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B44/005
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
An hydraulic drive apparatus for use in downhole tools is described. The apparatus provides rotational and translational movement to a cutting tool element disposed in a downhole tool or sonde automatically adjusting advancing motion of the cutting tool to the rate of rotational movement or cutting. The apparatus is controllable from the surface through a wireline and is capable of operating in various modes to facilitate unjamming.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.