Jack-up rig for marine drilling

Hydraulic and earth engineering – Marine structure or fabrication thereof – With work deck vertically adjustable relative to floor

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Details

175 9, 405203, E02B 1700, B63B 3500

Patent

active

042695422

ABSTRACT:
This invention relates to a mobile drilling platform of the jack-up type equipped with a special system which allows the said drilling platform to work as a drilling derrick and alternatively as a hoisting crane rig for marine service.

REFERENCES:
patent: 2399656 (1946-05-01), Armstrong
patent: 2975601 (1961-03-01), Thorson
patent: 3001595 (1961-09-01), Lucas
patent: 3244242 (1966-04-01), Wolff
patent: 3451493 (1969-06-01), Storm
patent: 3830071 (1974-08-01), Le Tourneau
patent: 3872679 (1975-03-01), Fisher

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