Riser pipe with rigid auxiliary lines
US8037939B2 · kind B2 · utility
9Cited by
27References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 4, 2006 |
| Grant date | Oct 18, 2011 |
| Priority date | — |
| Expiry date | Oct 4, 2026 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B17/1035
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
The invention relates to a riser pipe section comprising a main tube (2), at least one auxiliary line element (3) arranged substantially parallel to said tube (2), characterized in that the ends of main tube (2) comprise connecting means (8) allowing longitudinal stresses to be transmitted and in that the ends of auxiliary line element (3) comprise linking means (5-6) allowing longitudinal stresses to be transmitted.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.