High pressure sleeve for dual bore HP riser
US8573307B2 · kind B2 · utility
6Cited by
15References
3Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 21, 2009 |
| Grant date | Nov 5, 2013 |
| Priority date | — |
| Expiry date | Jun 30, 2030 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B17/01
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A high pressure sleeve for a dual bore high pressure riser is provided. The high pressure sleeve is arranged for forming a connection between either the annulus bore and the high pressure sleeve, or for forming a connection between the high pressure sleeve and the production bore. The choice of connection is made by rotation of the sleeve.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.