OFFSHORE STRUCTURE FOR DRILLING

摘要

Disclosed is an offshore structure for a drilling work, which has a moon pool formed in a hull. The offshore structure for a drilling work comprises: a recess which is formed in the top of the moon pool; a recess forming member which is installed in the bottom of the moon pool to form the recess in the top of the moon pool; an upper moon pool which is formed on the upper side of the recess forming member; and a lower moon pool which is formed on the lower side of the recess forming member, wherein the opening of the lower moon pool has an area smaller than the opening of the upper moon pool and is formed in any one shape among a circle, an oval, and a square having rounded apexes.