Friction reduction mechanism for a downhole release assembly
US8807228B2 · kind B2 · utility
2Cited by
9References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 30, 2012 |
| Grant date | Aug 19, 2014 |
| Priority date | — |
| Expiry date | Sep 20, 2032 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B17/06
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A mechanism to enhance disengagement of release assembly portions from one another when disposed in a well. The mechanism may be disposed at an internal rod of the release assembly and configured to prevent frictional resistance to shifting of the rod.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.