Riser system
US8657013B2 · kind B2 · utility
6Cited by
32References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 19, 2011 |
| Grant date | Feb 25, 2014 |
| Priority date | — |
| Expiry date | Jan 12, 2032 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B17/18
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A riser system for coupling a surface platform to a wellhead. The riser system includes a main tube, flanges and one or more tie rods. The main tube forms an annulus for fluid flow between the wellhead and the platform. A flange extends radially from each end of the main tube. The tie rods are coupled to and extend between the flanges.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.