Pile installation and removal mechanisms in off-shore rigs and m

Details Pile installation and removal mechanisms in off-shore rigs and m Pile installation and removal mechanisms in off-shore rigs and m

1981-01-19

1983-02-08

Taylor, Dennis L.

Hydraulic and earth engineering

Marine structure or fabrication thereof

With anchoring of structure to marine floor

254 29R, 254106, 405199, 405228, 405232, E02B 1700

Patent

active

043727077

ABSTRACT:
A temporary rig of the jack-up type for oil and gas exploration. The rig is towed to a selected site where the legs are lowered to the ocean floor and the deck is raised out of the water. Piles are then pushed into the ocean floor by a series of extensions of hydraulic jacks to anchor the legs. The piles can be pulled up by contracting the jacks in a similar manner so that the rig can be moved to a new location. The jacking mechanisms move within pile guides that form parts of the legs.

REFERENCES:
patent: 2209660 (1940-07-01), Oka
patent: 2841961 (1958-07-01), Lucas
patent: 2984075 (1961-05-01), Suderow
patent: 3008691 (1961-11-01), Steele et al.
patent: 3396945 (1968-08-01), Schreier et al.
patent: 3502159 (1970-03-01), Pogonowski
patent: 3847230 (1974-11-01), Blomquist
patent: 3869003 (1975-03-01), Yamada et al.
patent: 3902326 (1975-09-01), Langenbach
patent: 4069681 (1978-01-01), Mott

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