Well packer and method
US6481496B1 · kind B1 · utility
27Cited by
23References
27Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 14, 2000 |
| Grant date | Nov 19, 2002 |
| Priority date | — |
| Expiry date | Jun 14, 2020 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B33/1294
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A releasable packer has a control line therethrough. A hydraulic release mechanism of the packer is controlled from the surface by application of flow and pressure. A modification of the packer and release mechanism using resettable collets and return springs allows multiple sets and releases of the packer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.