Wireless downhole unit
US9328577B2 · kind B2 · utility
19Cited by
3References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 23, 2011 |
| Grant date | May 3, 2016 |
| Priority date | — |
| Expiry date | Nov 11, 2032 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B23/001
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
The present invention relates to a wireless downhole unit (1) adapted to be lowered into a well (2) in a casing (3) having an inner wall (4) and an inner diameter (Dc). The wireless downhole unit comprises an electrical motor (5), a pump (6), and driving means (7) for allowing movement of the wireless downhole unit within the casing, and at least one battery pack (8). The present invention further relates to a downhole system.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.