Monobore completion/intervention riser system
US5941310A · kind A · utility
26Cited by
6References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 11, 1998 |
| Grant date | Aug 24, 1999 |
| Priority date | — |
| Expiry date | Mar 11, 2018 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B23/12
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A monobore completion/intervention riser system for providing a conduit for communication fluids and wireline tools between a surface vessel and a subsea well having a tubing hanger located therein, the tubing hanger including a production bore and an annulus bore, wherein wireline tools may be lowered through a riser bore 48 to either the tubing hanger production bore 68 or the tubing hanger annulus bore 70 through operation of a bore selector 56, and fluids may be produced from the well to the surface vessel through the production bore 52, 60, 64, 68 and the riser bore 48 by sealing off the annulus bore 66, 70.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.