Well casing hanger with wide temperature range seal
US5031695A · kind A · utility
28Cited by
7References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 30, 1990 |
| Grant date | Jul 16, 1991 |
| Priority date | — |
| Expiry date | Mar 30, 2010 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B33/0422
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A well casing hanger with a wide temperature range seal element that is energized by axial compression with a pre-determined initial portion of the casing hang load, the remaining portion of that hang load then being transferred to the wellhead or other surrounding well element without imposition on the seal element.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.