Downhole sealing assembly
US9556700B2 · kind B2 · utility
2Cited by
5References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 17, 2014 |
| Grant date | Jan 31, 2017 |
| Priority date | — |
| Expiry date | Feb 11, 2035 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B33/128
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
An expandable downhole sealing assembly in which an axial setting force is applied to radially compress and self-energize an expanding element such that stored radial forces in the expanding element effect and maintain a seal thereafter. The sealing assembly can be used to provide a seal between a casing and a mandrel in a well, among other applications.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.