Back-up connector release tool
US5273376A · kind A · utility
25Cited by
14References
8Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 10, 1992 |
| Grant date | Dec 28, 1993 |
| Priority date | — |
| Expiry date | Feb 10, 2012 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB63G2008/007
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
An emergency release tool for operation by a remotely operated vehicle (ROV) for forcefully releasing a riser from a subsea well assembly The tool includes hydraulic cylinders mounted on a frame that can be positioned by the remotely operated vehicle to surround the risers. The cylinders are pressurized to forcefully remove the riser from the wellhead assembly.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.