Downhole sealing assembly with swellable seal
US9732578B2 · kind B2 · utility
15Cited by
6References
39Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 15, 2014 |
| Grant date | Aug 15, 2017 |
| Priority date | — |
| Expiry date | Aug 15, 2034 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S277/934
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A downhole sealing assembly comprises a sleeve adapted to be mounted on a tubular body disposable within a bore, the sleeve (12) including a swellable material and defining a sealing arrangement comprising inner and outer seals. Swelling of the material radially extends the inner seal into contact with the tubular body and extends the outer seal into contact with the bore.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.