Underwater structures, in particular for underwater drilling operations
First Claim
1. A structure designed to rest sunken upon the bed of a body of water in order to support on said bed fixed installations such as an off-shore drilling platform, comprising a vertical inwardly water-wetted internal wall defining a water-flooded central cavity having an open upper end and an open lower end, an outwardly water-wetted external wall defining a space between the external wall and the internal wall, a plurality of partitions extending vertically in said space to define a plurality of compartments therein and including a plurality of wall members projecting above said internal and external walls to form a plurality of hollow pillars uprising from said bed for supporting said fixed installations on said bed, and a plurality of base walls bottoming at least some of said compartments.
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Accused Products
Abstract
A structure designed to rest upon the bed of a body of water, in particular to support fixed installations such as an off-shore drilling platform, comprising a central cavity without a base and surrounded by a double vertical wall spaced apart by vertical partitions, preferably of cylindrical shape, forming a plurality of compartments provided with bases at their bottom ends and extending above the double wall.
8 Citations
9 Claims
- 1. A structure designed to rest sunken upon the bed of a body of water in order to support on said bed fixed installations such as an off-shore drilling platform, comprising a vertical inwardly water-wetted internal wall defining a water-flooded central cavity having an open upper end and an open lower end, an outwardly water-wetted external wall defining a space between the external wall and the internal wall, a plurality of partitions extending vertically in said space to define a plurality of compartments therein and including a plurality of wall members projecting above said internal and external walls to form a plurality of hollow pillars uprising from said bed for supporting said fixed installations on said bed, and a plurality of base walls bottoming at least some of said compartments.
Specification