Riser Raising Crane Having Guide and Drill Ship Including The Same

摘要

PURPOSE: A riser lifting crane with a guide and a drillship with the same are provided to lift risers without a flange and to reduce the storage cost of the risers by reducing a number of pillar structures. CONSTITUTION: A riser lifting crane comprises a body part(200), driving parts(210), grippers(220), support parts(230), and main guides(300). The body part is arranged in parallel to the risers above stored risers(100). The driving parts are arranged on one side of the body part. The grippers are connected to the driving parts by wires to grip the risers. The support parts support the body part on one side of the body part. The main guides are extended from the body part in parallel to the row of the stored risers.