Offshore platform jacket and method of installation

Hydraulic and earth engineering – Marine structure or fabrication thereof – With anchoring of structure to marine floor

Patent

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Details

405204, 405224, E02B 1700

Patent

active

048120804

ABSTRACT:
A jacket for supporting an offshore platform or the like comprises at least one vertical column member, laterally and vertically spaced guide sleeves for piles to be driven into the sea floor and lateral bracing connecting the guide sleeves to the column member. The jacket may be installed with the piles prepositioned extending through the guide sleeves and temporarily secured thereto until the jacket and pile assembly is in position on the sea floor and ready for pile driving. The vertical column member may receive a pile which may include a well casing. A method of installation for the jacket may include drilling a well through the column member after installation of the jacket and securement to the sea floor by the piles which extend through the guide sleeves.

REFERENCES:
patent: 4422805 (1983-12-01), Sweatman
patent: 4493592 (1985-01-01), Knox
patent: 4558973 (1985-12-01), Blandford
patent: 4576523 (1986-03-01), Smetak
patent: 4679964 (1987-07-01), Blandford
patent: 4721416 (1988-01-01), Gracia

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