Buoys – rafts – and aquatic devices – Buoy – For mooring a vessel
Patent
1991-09-27
1994-05-31
Swinehart, Edwin L.
Buoys, rafts, and aquatic devices
Buoy
For mooring a vessel
114230, 114293, B63B 2152
Patent
active
053165098
ABSTRACT:
An improved detachable mooring system is disclosed of the kind including a rotatable turret mounted on the vessel and a buoyant spider buoy, secured by mooring legs to the sea floor, which may be selectively connected by means of a hydraulic connector to the bottom of the turret. One improvement relates to apparatus for establishing pre-load tension between a collet flange hub of the spider buoy and a hydraulic powered connector at the bottom of the turret. Another improvement relates to apparatus for remotely sensing the level of pre-load tension in the connector. Another improvement relates to a self-aligning support arrangement for supporting the collet connector to the bottom of the turret. Another improvement relates to an axial load bearing arrangement for supporting the turret with respect to the vessel.
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O'Nion, et al, Innovative Disconnectable Mooring System for Floating Production System of HZ-21-1 Oil Field at Huiyhon, South China Sea, May 7-10, 1990; presented at the 22nd Annual Offshore Technology Conference; OTC published paper 6251.
Offshore Engineer-pp. 30-31 entitled SMB Goes Underwater for Earlier Reconnection.
Boatman L. Terry
Ethridge Charles O.
Pedersen Kristen I.
Poranski, Sr. Peter F.
Sofec, Inc.
Swinehart Edwin L.
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