Intervention spool for subsea use
US7121346B2 · kind B2 · utility
7Cited by
6References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 18, 2003 |
| Grant date | Oct 17, 2006 |
| Priority date | — |
| Expiry date | Jul 31, 2024 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B34/045
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A wellhead assembly for use on a well with a blowout preventer stack having a bore therethrough that utilizes an intervention spool sealingly secured between a horizontal tree and the blowout preventer stack to allow the use of a removable valve package positioned in the intervention spool with valve actuators mounted on the exterior of the intervention spool is disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.