Wellbore seal device
US7036581B2 · kind B2 · utility
19Cited by
6References
24Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 6, 2004 |
| Grant date | May 2, 2006 |
| Priority date | — |
| Expiry date | Oct 7, 2024 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B33/128
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A device for providing a seal between two tubular member in a downhole environment is presented. The sealing device provides the capability of “boosting” or improving the seal, in the event of hydraulic pressure increases from above or below the seal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.