SYSTEM FOR LOWERING A SUBSEA DEVICE FROM A VESSEL

摘要

A system for lowering a subsea device from a vessel floating on a body of water. Means are provided to prevent the subsea device from striking the vessel as it goes through the sea-air interface. In a preferred embodiment, an access well means such as a tube extends downwardly through the vessel to below the wave action of the body of water. The outer wall of the subsea device is provided with roller members urged against the inner wall of the access well. Other means of moving a subsea device through the sea-air interface are also disclosed.