System and method for positioning an off-shore platform on a sup

Hydraulic and earth engineering – Marine structure or fabrication thereof – Floatable to site and supported by marine floor

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405195, 405203, E02D 2500

Patent

active

044139268

ABSTRACT:
An off-shore platform (1) is floated on a barge (2). A support structure is fixed to the sea bed and including a plurality of upstanding piles with at least two of said piles (4) having platform-receiving guide means (5) at their upper ends. The platform includes a plurality of legs for fixing to corresponding ones of the piles with at least two of the legs (6) being hollow and being provided with respective plungers (8) slideably mounted therein for co-operating with said platform-receiving guide means. Each plunger is associated with a releasable fastening (10, 11) capable of holding the plunger fixed in its leg, and of releasing it suddenly on command to drop into engagement with said platform-receiving guide means. The releasable fastenings of at least two of the plungers are arranged to release simultaneously on a common command.

REFERENCES:
patent: 3736756 (1973-06-01), Lloyd
patent: 4090367 (1978-05-01), Verschure
patent: 4161376 (1979-07-01), Armstrong
patent: 4199276 (1980-04-01), Molsberger
patent: 4252469 (1981-02-01), Blight et al.

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