Subsea test tree intervention package
US10125578B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Jun 1, 2016 |
| Grant date | Nov 13, 2018 |
| Priority date | — |
| Expiry date | Jun 1, 2036 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B34/045
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A riser intervention system for use with a subsea test tree includes a lower riser package spool, an intermediate spool, and a riser stress joint. The lower riser package spool may include a bore and a shoulder projecting into the bore such that the subsea test tree is landable on the shoulder within the lower riser package spool. The intermediate spool is connectable to the lower riser package spool to secure the subsea test tree within the bore of the lower riser package spool such that the lower riser package spool is in fluid communication with the intermediate spool. The riser stress joint is releasably connectable to the intermediate spool using such that the intermediate spool is in fluid communication with the riser stress joint.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.