Patent ID: 7510452

Claim:
A disconnectable mooring system for a vessel, comprising a mooring buoy member and a turret structure mounted in a moonpool of the vessel, the mooring buoy member being anchorable to the seabed and having a plurality of passages each adapted to receive a riser, the turret structure having a receptacle for receiving the buoy member and a lock adapted to lock the buoy member in the receptacle, the turret structure accommodating a plurality of conduits to be connected to risers installed in passages of the buoy member, wherein the turret structure is rotatably supported in the moonpool of the vessel by a first bearing assembly, wherein the buoy member is provided with a conical outer casing and the receptacle of the turret structure has a cone shape corresponding to the conical outer casing of the buoy member, the turret structure comprising a turntable carrying the conduits to be connected to the risers, wherein the turntable is supported on the turret structure with a second bearing assembly such that the turntable is rotatable with respect to the turret structure to align the conduits with the risers when the buoy member is received and locked in the receptacle of the turret structure.