RISER PROTECTION STRUCTURE

摘要

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 (1), an upper module (2), wherein the upper module comprises a main protection tubing (21) for receiving a riser, a plurality of sleeves (22) to be installed over the plurality of piles, and a connecting network (23); 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 (3), wherein the lower module comprises a plurality of tubular guides (21) for guiding and later fixing the piles and a connecting structure (32), 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.