Well packer
US5327962A · kind A · utility
38Cited by
6References
12Claims
0Family size
Inventor
Key dates
| Filing date | Aug 6, 1992 |
| Grant date | Jul 12, 1994 |
| Priority date | — |
| Expiry date | Aug 6, 2012 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B33/1277
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
An inflatable well packer includes several annular layers of material, consisting of a series of oriented fibers encapsulated in an elastomeric resin, the inner and outer circumferential surfaces of the well packer each carry a protective layer of material effective to protect the elastomeric resin, each protective layer 9, 11 is deposited on the well packer in a folded configuration, such that unfolding of the layers enables inflation of the well packer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.