Ships – Floating platform
Patent
1998-09-03
1999-11-16
Avila, Stephen
Ships
Floating platform
114125, B63B 3544
Patent
active
059838221
ABSTRACT:
A polygon shaped floating offshore structure for use in oil or gas drilling or production operations, having apertures in its sides in order to reduce the movement of the structure as a result of undersea currents. The structure contains a production platform extending above the ocean's surface, a series of buoyancy tanks providing the structure with the ability to float, apertures, surrounded by coamings, located on each side of the structure such that ocean currents are allowed to flow laterally through the center of the structure and such that oil and gas can dissipate from the center of the structure if a rupture occurs, a fluid retention tank and ballast in order to lower the center of gravity of the structure and make it more stable, and a centerwell running through the longitudinal center of the structure which allows one or more risers to run from the ocean floor to the operating platform. The structure can then be moored to the sea floor through the use of a catenary mooring system.
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Chow Fred I.
Devlin Paul V.
Freedman Gerald W.
Kemper Jay H.
Avila Stephen
Gibson Henry H.
Texaco Inc.
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