Motor drive actuator for downhole flow control devices
US6041857A · kind A · utility
68Cited by
4References
35Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 14, 1997 |
| Grant date | Mar 28, 2000 |
| Priority date | — |
| Expiry date | Oct 14, 2017 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B34/066
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
Several motor driven embodiments are discussed which provide linear motion to a downhole flow control device. The embodiments employ ball screw assemblies or lead screw assemblies. A device for rotational actuation of a downhole flow control device is also disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.