Hull construction

Details Hull construction Hull construction

1976-01-30

1977-11-08

Shapiro, Jacob

61 91, E02D 2100

Patent

active

040569438

ABSTRACT:
The new and improved hull construction for a jack-up rig is disclosed. In the preferred embodiment, a three legged jack-up rig is disclosed. The rig is supported on three legs which extend through similar corner compartments having leg elevating equipment thereat. Along the three sides of the triangular hull, side compartments of similar rectangular and or trapezoidal construction are located which encompass or enclose a central triangular compartment. The side compartments are aligned in a strengthening direction. The main side compartments have a rectangular area and hence lend themselves readily to crew quarters, machinery rooms, and the like. The rectangular construction utilizes repetitive structural members and hence a limited number of identical structural modules is used. The use of a central triangular module with side modules parallel to the sides of the platform provides major structural bulkheads for bearing the weight of the hull and the bending moments in the hull.

REFERENCES:
patent: 2906100 (1959-09-01), De Long et al.
patent: 3183676 (1965-05-01), Le Tourneau
patent: 3466878 (1969-09-01), Esquillan et al.
patent: 3999396 (1976-12-01), Evans

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