Wellbore isolation while placing valves on production
US9359862B2 · kind B2 · utility
3Cited by
11References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 19, 2012 |
| Grant date | Jun 7, 2016 |
| Priority date | — |
| Expiry date | Sep 5, 2034 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B2200/06
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
An internal completion string is anchored within a closed casing valve of a production liner in a wellbore. The internal completion string comprises a packer and a shifting tool. The production liner comprises a casing valve having a port and a moveable member. The annulus defined between the production liner and the internal completion string is sealed, and the shifting tool is remotely operated to move the moveable member away from the port, thereby opening the casing valve.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.