Shock absorber and method for offshore jack-up rigs

Details Shock absorber and method for offshore jack-up rigs Shock absorber and method for offshore jack-up rigs

1989-04-07

1990-11-06

Corbin, David H.

Hydraulic and earth engineering

Marine structure or fabrication thereof

Structure protection

405224, E02B 1700

Patent

active

049681818

ABSTRACT:
A new and improved shock absorber mechanism and method for use on the leg structure of a jack-up offshore drilling rig is disclosed. The shock absorbing mechanism is designed to be mounted on the bottom of each existing leg of a drilling rig and comprises a pointed piston member which is positioned on the bottom of the leg structure, wherein the piston member projects downward through the can/footing of the rig leg and is held in place by a resilient tension member which is designed to absorb shock forces during vertical/axial impact of the leg structure when contact is made with the ocean floor.

REFERENCES:
patent: 3695046 (1972-10-01), Torr et al.
patent: 4195950 (1980-04-01), Goldman
patent: 4351259 (1982-09-01), Loire
patent: 4472084 (1984-09-01), Boon

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