Subsea well intervention module
US9145761B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 15, 2011 |
| Grant date | Sep 29, 2015 |
| Priority date | — |
| Expiry date | Dec 27, 2031 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B33/076
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
Subsea well intervention module (100) for performing well intervention operations in a well (101) through a well head (120) from a surface vessel (102), comprising a supporting structure (110), a pipe assembly (170) fastened to the supporting structure and having two opposite ends, an inner diameter and a cavity (182) in which an intervention tool (171) may be arranged for pressurizing the cavity (182) when connected to the well head or a blowout preventer arranged on top of the well head to wellbore pressure before at least one valve (121) of a well head is opened and the tool is submerged into the well, a connection member connected with a first end (202) of the pipe assembly for providing a connection to the well head, a wireless intervention tool (171) having an outer diameter and comprising an electrical power device (196). The connection member has an open first end connectable with the well head or blowout preventer and a through-bore providing fluid passage from the first end to the cavity.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.