Vessel with deep water transfer system

Turret-moored vessel comprising a hull, a cylindrical shaft in the hull having a shaft wall and a cylindrical turret with a turret wall rotatably mounted inside the shaft via at least one bearing, the turret comprising at its lower part at or near keel level anchoring lines attached to the sea bed, characterised in that a water intake pipe extends from below sea level through the turret via an opening in the turret wall to an annular water reservoir extending around the turret wall, the water reservoir being stationary with respect to the hull, a second water duct connecting the water reservoir to a cooling unit.