Stackable multi-barrier system and method
US8813855B2 · kind B2 · utility
5Cited by
20References
11Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 7, 2010 |
| Grant date | Aug 26, 2014 |
| Priority date | — |
| Expiry date | Mar 27, 2032 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B34/06
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A multi-barrier system includes a first valve in fluid communication with a lower completion, and a second valve in fluid communication with the lower completion. The first valve and the second valve are positioned proximate an uphole extent of the lower completion, and a packer located proximate the first valve and the second valve is closable in response to retrieving an upper completion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.