Guide arrangement
US8152411B2 · kind B2 · utility
4Cited by
3References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 7, 2009 |
| Grant date | Apr 10, 2012 |
| Priority date | — |
| Expiry date | Apr 17, 2030 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B17/015
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
Guide arrangement for marine risers, in particular for offshore oil and gas operations. The guide arrangement has at least one guide structure (21, 22) for a length of riser, a frame assembly (10, 10A-D) for supporting said guide structure, anchor means (11, 12) at the seabed, tether means (13, 14) connecting said frame assembly to said anchor means, and a buoyancy element (1) for keeping said guide structure (21, 22) at a desired level in the sea during operation. The guide structure (21, 22) is pivotably supported by said frame assembly (10, 10A-D) with a pivot axis (21P, 22P) being substantially horizontal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.