Platform structure for maritime installation
AssigneeC. G. Doris
InventorJacques Edouard Lamy
Life of this patent
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Abstract
A platform structure for maritime installations, designed to rest under its own weight upon the seabed through the medium of a base acting as the foot of a tower surmounted by an emergent superstructure, comprising a strong, watertight tubular member incorporated into the structure in order to form a shaft or chimney extending from top to bottom of the structure in order to protect the components of the installation against corrosion and shock loading, and in order also to make it possible to carry out in the dry the various operations required by the process. The tubular member can be used without a base in order to give direct access to the seabed. Preferentially, the tubular member will communicate with one or more radial, watertight tunnels formed in the base.
Claims21
An off-shore gravity-type platform for supporting a processing installation above the surface of a body of water and for housing processing components, comprising a base structure resting upon the bed of the body of water, a tower structure integrally connected to the base structure to be supported by the same and extending therefrom up to above said water surface, a deck supported on the upper end of the tower structure for supporting the processing installation, a pressure-resisting watertight hollow shaft having an open bottom end open, incorporated within the tower structure and extending from the base structure to the deck for housing said components, a pressure-resisting watertight tubular skirt having both ends open, received telescopically in the shaft, and means for driving the tubular skirt pile-like into the bed of the body of water through said wide open bottom end, to give access to an underwater layer of said bed through said shaft and said tubular skirt.
An off-shore gravity-type platform for supporting a processing installation above the surface of a body of water and for housing processing components including piping for connection to an underwater pipe line, comprising a base structure resting upon the bed of the body of water, a tower structure integrally connected to the base structure to be supported by the same and extending therethrough up to above said water surface, a deck supported on the upper end of the tower structure for supporting the processing installation, a pressure-resisting watertight hollow shaft incorporated within the tower structure and extending through the base structure to the deck for housing said components, at least one pressure-resisting water-tight tunnel incorporated in the base structure, communicating with the hollow shaft and extending radially therefrom to an end wall having an outer surface exposed to the water body, and watertight lead-through means in the end wall for connecting said piping to said pipe line through said end wall.
Dependencies are inferred from the claim text.