Subsea choke insert locking apparatus
US7878551B2 · kind B2 · utility
4Cited by
32References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 2, 2006 |
| Grant date | Feb 1, 2011 |
| Priority date | — |
| Expiry date | Jul 21, 2028 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S285/922
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A connection for sub-sea use employs locking dogs that are isolated from seawater and a backup system for operating the backup sleeve to the dogs. The normal actuation system for the backup sleeve is also isolated from seawater exposure. The set position of the backup sleeve is positively retained against the prospect of axial movement that could be triggered by transmitted vibration into the connection.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.