Riser pipe with adjustable auxiliary lines
US8616286B2 · kind B2 · utility
5Cited by
15References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 27, 2010 |
| Grant date | Dec 31, 2013 |
| Priority date | — |
| Expiry date | Jul 9, 2032 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B17/012
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
The riser pipe section comprises a main tube 22 and auxiliary line elements 23 arranged parallel to tube 22. The ends of the main tube comprise connectors 20a and 20b allowing longitudinal stresses to be transmitted. The ends of auxiliary line elements 23 comprise connectors 20c and 20d. Auxiliary line elements 23 consist of two parts 23a and 23b assembled by an adjustment device 23c or 30 allowing the axial length of each auxiliary line element to be adjusted.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.