Riser protection structures
US8967914B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Feb 15, 2013 |
| Grant date | Mar 3, 2015 |
| Priority date | — |
| Expiry date | Feb 15, 2033 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB63B2211/06
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
The present invention provides a riser protection structure being suitable to be employed in a Jackup rig. The riser protection structure comprises a plurality of piles, an upper module, wherein the upper module comprises a main protection tubing for receiving a riser, a plurality of sleeves to be installed over the plurality of piles, and a connecting network; wherein the plurality of sleeves are disposed around the main protection tubing; and wherein the main protection tubing and the plurality of sleeves are connected together by the connecting network, and a lower module, wherein the lower module comprises a plurality of tubular guides for guiding and later fixing the piles and a connecting structure, wherein the plurality of piles are securely disposed into the seabed for providing the requisite support for the upper and lower modules when they are assembled.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.