Hydraulic and earth engineering – Marine structure or fabrication thereof – With anchoring of structure to marine floor
Patent
1987-04-16
1988-12-27
Taylor, Dennis L.
Hydraulic and earth engineering
Marine structure or fabrication thereof
With anchoring of structure to marine floor
114265, 405195, 405203, E02D 2100, B63B 3500
Patent
active
047937386
ABSTRACT:
A single leg tension leg platform is a semi-submersible structure moored at a deep water site by hybrid mooring consisting of a single tension leg or cluster of tendons attached to a central column and, optionally, a conventional spread mooring system. The central column is surrounded by peripheral stability buoyant columns symmetrically arranged and typically in number from about 3 to 8. All the vertical tendons are located in a tight cluster at the center of the platform. This means that the tendons no longer effectively restrain pitch/roll or yaw motion. The role of the tendon cluster is essentially the direct, stiff elastic restraint of heave and compliant restraint of horizontal offset. Pitch/roll response is controlled primarily by careful distribution of peripheral buoyancy and detuning.
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Botros Fikry R.
White Charles N.
Conoco Inc.
Taylor Dennis L.
Thomson Richard K.
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