Computer controlled downhole tools for production well control
US5803167A · kind A · utility
74Cited by
62References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 20, 1997 |
| Grant date | Sep 8, 1998 |
| Priority date | — |
| Expiry date | Aug 20, 2017 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B2200/02
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A plurality of electronically controlled downhole tools and systems for use in production wells is presented. These tools and systems include safety valve and pressure monitoring systems, remotely controlled inflation/deflation devices, remotely actuated downhole tool stop systems, remotely controlled fluid/gas control systems, remotely controlled variable choke and shut-off valve systems and a retrievable sensor side pocket mandrel.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.