Downhole tool with roller screw assembly
US8910720B2 · kind B2 · utility
3Cited by
0References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 22, 2010 |
| Grant date | Dec 16, 2014 |
| Priority date | — |
| Expiry date | Sep 16, 2030 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B23/001
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A downhole tool for positioning in a wellbore comprises a tool main body, an electric motor disposed within the tool main body, the motor comprising a rotor rotatably attached to a stator, and a linear actuator assembly disposed within the motor for transforming a rotary output of the motor into a linear displacement.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.