Subsea well production system
US8336630B2 · kind B2 · utility
5Cited by
25References
20Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 9, 2009 |
| Grant date | Dec 25, 2012 |
| Priority date | — |
| Expiry date | Aug 5, 2030 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B34/045
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A subsea completion testing tree (SCTT) for connection in a tubular string includes a lower tree portion having a control valve; an upper tree portion separably connected to the lower tree portion at a latch; a circulation valve connected with the upper tree portion; and a retainer valve connected with the upper tree portion between the circulation valve and the latch.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.