DRILLSHIP HAVING A DOWNWARDLY DISPOSED WEIGHT

摘要

A drillship with a heavy object disposed downward is disclosed. The drillship in which the heavy object of the present invention is disposed downward includes a mud pump for pumping mud to the seabed; And an active mud tank in which mud used for drilling is stored, and a hold provided in the stern by lowering the vertical center of gravity of the hull by providing a mud pump and an active mud tank in a lower area of the main deck. It is characterized in that the ballast tank is removed and the longitudinal center of gravity of the hull is moved in the direction of the stern.