Ships – Ballasting – Water tanks
Patent
1987-10-20
1989-05-16
Basinger, Sherman D.
Ships
Ballasting
Water tanks
114264, 114265, B63B 3544
Patent
active
048299286
ABSTRACT:
An ocean platform has a negatively buoyant pontoon suspended from the balance of the platform to increase the heave resonant period to at least 25 seconds. Tendons suspend the pontoon to a depth where dynamic wave forces do not materially act directly on it in seas of normally occurring periods of up to about 15 seconds but do in seas of periods above about 15 seconds. Columns and an upper pontoon provide buoyancy for the platform.
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Basinger Sherman D.
Brahan Thomas J.
Seatek Limited
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