Anti-surge method and apparatus for offshore structures

Details Anti-surge method and apparatus for offshore structures Anti-surge method and apparatus for offshore structures

1995-04-05

1996-06-18

Dang, Hoang C.

Hydraulic and earth engineering

Marine structure or fabrication thereof

114230, B63B 2100

Patent

active

055271324

ABSTRACT:
The method enables alternating surge motion between two offshore structures placed side by side and at least one of which is floating to be reduced to a small value. Bumpers are installed on one of the offshore structures and are capable of being placed to face thrust surfaces of the other offshore structure, and they are movable in a direction parallel to the direction of the surge motion. The bumpers are brought into contact with the thrust surfaces of the offshore structure and they are held pressed resiliently against the thrust surfaces with a predefined thrust force while allowing each of the bumpers to move with alternating motion relative to the second offshore structure in both directions of the surge motion. The bumpers are brought to rest relative to the second offshore structure at a moment when the speed of the surge motion is zero.

REFERENCES:
patent: 1094610 (1914-04-01), Steinhauer
patent: 4003329 (1977-01-01), Robinson
patent: 4008678 (1977-02-01), Lawlor
patent: 4066030 (1978-01-01), Milone
patent: 5150744 (1992-09-01), Hayashi et al.
patent: 5201274 (1993-04-01), Rinkewich
G. J. White et al., "Offshore Installation of an Integrated Deck Onto a Preinstalled Jacket", OTC 5 260, 18th Annual Offshore Technology Conference in Houston, Tex., May 5-8, 1986.

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