Packer deflate subassembly for an inflatable packer system
US4345653A · kind A · utility
2Cited by
5References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 15, 1980 |
| Grant date | Aug 24, 1982 |
| Priority date | — |
| Expiry date | Feb 15, 2000 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B34/12
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
An emergency deflation tool intended for use in an inflatable packer system. The mechanism comprises a cylindrical axially extending member adapted to be fixed against axial movement, another hollow cylindrical member surrounding a portion of the length of said member with a vent through the wall thereof, an inflation fluid passageway, and an expendable tension sleeve joining the two members.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.