Hydraulic and earth engineering – Marine structure or fabrication thereof – Floatable to site and supported by marine floor
Patent
1997-01-10
1999-11-23
Bagnell, David J.
Hydraulic and earth engineering
Marine structure or fabrication thereof
Floatable to site and supported by marine floor
405227, E02B 1702
Patent
active
059889497
ABSTRACT:
An offshore jacket or compliant tower and method of installing an offshore jacket or compliant tower where the foundation piles do not initially support the jacket. The foundation piles are driven into the sea floor. Two or more temporary support piles are driven into the sea floor. Two or more docking piles are driven into the sea floor and extend a greater height above the sea floor than the foundation piles and the temporary support piles. The jacket, which includes flexpiles, is lowered into position such that it receives the docking piles. The docking piles locate and position the jacket above the temporary support piles and the foundation piles. The jacket is provided with vertical steel tubes that correspond to the location of the temporary support piles. A bulkhead in each vertical steel tube is vertically located such that the jacket is supported and leveled by the temporary support piles and not the foundation piles. The foundation piles and flexpiles are grouted before the platform is installed on the jacket.
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patent: 4426173 (1984-01-01), Richari et al.
patent: 4687062 (1987-08-01), Beghetto et al.
patent: 4705430 (1987-11-01), Will
patent: 5356239 (1994-10-01), Canton
patent: 5573355 (1996-11-01), Thomas
patent: 5867611 (1989-09-01), Luyties
Bagnell David J.
Edwards Robert J.
Laeniaw Frederick L.
LaHaye D. Neil
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