A turret mooring and riser hang-off arrangement, for transferring petroleum products from an off-shore or subsea facility to a vessel (V), comprising a turret (1) arranged in a cavity of the vessel. Said turret (1) is held firmly in axial and radial directions within the cavity, but is rotatable relative to the vessel (V). Said turret is adapted to be moored to the seabed. A riser assembly (5a) extend through a bore in said turret (1) to an upper surface (7) of the vessel (V). Said bore of said turret (1) is a monobore and said riser assembly (5a) is rotationally coupled to said turret (1) but is free to move axially relative to said turret (1). Said riser assembly is axially supported by the vessel (V).
TURRET
2016-12-22
Patent
Elektronische Ressource
Englisch