Semi-submersible jackup apparatus

Details Semi-submersible jackup apparatus Semi-submersible jackup apparatus

1972-04-12

1976-03-30

Blix, Trygve M.

Ships

Warships

Turret

61 465, B63B 3500

Patent

active

039466841

ABSTRACT:
A modular-like system of offshore structures for imparting flexibility to the offshore exploration and production and transportation industries so that exploration, production and development work can take place over a large range of marine depths and operational circumstances with one or more marine vessels. In particular there is disclosed a novel combination of a bottle structure and a jackup structure which provides a bottle jackup with the characteristics of both submersible and semi-submersible rigs.

REFERENCES:
patent: 2540878 (1951-02-01), Hayward
patent: 2658353 (1953-11-01), Trexel
patent: 2863293 (1958-12-01), Plumer
patent: 2909900 (1959-10-01), Suderow
patent: 2967400 (1961-01-01), Grant et al.
patent: 2970447 (1961-02-01), Castille
patent: 3294051 (1966-12-01), Khelstovsky
patent: 3318275 (1967-05-01), Field
patent: 3474749 (1969-10-01), Williamson
patent: 3605669 (1971-09-01), Yu
patent: R26073 (1966-09-01), Mangone

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