Patent ID: 6575665
Filing Date: 2003-06-10
Classification: B63B,E02B

Abstract:
A marine structure for use with an equalized pressure system comprising:a structure having an outer wall of uniform thickness and at least one cell, and said equalized pressure system having a controllable pressurized fluid source fluidly coupled to said at least one cell and to a body of water adjacent to said marine structure to vary the buoyancy of said marine structure; said marine structure comprises a payload platform, a freeboard section, a buoyancy section and a ballast section, said ballast section being operatively mounted to said buoyancy section and said freeboard section supporting said payload platform; and said buoyancy and ballast sections comprise a top slab, at least two tangential walls, at least one outer radial wall, at least one inner radial wall and at least two cells, said outer radial wall and said inner radial wall connecting to said tangential walls forming said at least two cells, and said top slab extends across said walls.