System and method for maintaining zonal isolation in a wellbore
US7669653B2 · kind B2 · utility
61Cited by
23References
50Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 20, 2004 |
| Grant date | Mar 2, 2010 |
| Priority date | — |
| Expiry date | Dec 11, 2025 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B33/1208
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
The invention concerns a system or a method for maintaining zonal isolation in a wellbore. According to the invention, the system comprises, at a specific location along said wellbore, a sealing element, said sealing element being able to deform both during and after placement and is maintained after placement under compression through a pressurizing fluid or by confinement in a volume.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.