Well intervention semisubmersible vessel
US9731796B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 30, 2014 |
| Grant date | Aug 15, 2017 |
| Priority date | — |
| Expiry date | Dec 30, 2034 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB63B2003/147
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A well intervention semisubmersible vessel and method including a drilling rig further including a non-elevated derrick floor and a handling tower having a single point land out without riser tensioners. The vessel may also include a flush drill floor, a flush moonpool door, a lift frame and personnel access walkway wherein the lift frame is capable of being skidded into position by a skidding system capable of providing personnel access and wherein the skidding system comprises a plurality of skidding rails, at least one remotely operated vehicle, an intervention rising system and storage area, a crane, a moonpool and handling area, a moonpool trolley, at least one fluid pump, and/or at least one tank.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.