Downhole sealing apparatus
US9926762B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 11, 2016 |
| Grant date | Mar 27, 2018 |
| Priority date | — |
| Expiry date | Nov 11, 2036 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B43/14
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
In one aspect, a seal apparatus for use with a mandrel is disclosed that in one non-limiting embodiment contains a seal housing disposed about the mandrel, wherein the seal housing is spaced apart from the mandrel to form a seal gap, a seal member disposed between the seal housing and the mandrel, wherein the seal member is bonded to the seal housing and the seal member is formed from a first material, and a seal support disposed between the seal housing and the mandrel, wherein the seal support is formed from a second material, wherein the second material is stiffer than the first material, and the seal support extends across the seal gap in response to an energizing force applied to the seal support.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.