Device and method to set and salvage structures

Details Device and method to set and salvage structures Device and method to set and salvage structures

1984-07-30

1987-08-04

Basinger, Sherman D.

Ships

Mother ship, floating landing platform, and harbor

114 44, 405206, 405209, 414138, E02D 2500

Patent

active

046838325

ABSTRACT:
An offshore marine structure setting and recovery device and method that can lift great loads offshore. The unit consists of a conventional deck cargo barge fitted with one or more rails running almost the entire length of the barge. A horizontal jacking unit runs along the rail or rails. Pivotally attached to the horizontal jacking unit is an inclined jacking unit that is connected to the grappling arm by a rack and pinion. The grappling arm has attached to it grappling devices that will grab and hold the vertical or inclined members of the marine structure. At one end of the grappling arm is a buoyancy tank that can be filled with either water or air to make the grappling arm and buoyancy tank float or sink. The device will be moved up to a marine structure, clamp itself onto the structure and then pull the structure over. The buoyancy tanks will then be filled with air, transporting the marine structure to the surface. The horizontal jacking unit will then pull the unit up and onto the deck of the barge. The barge will then transport the marine structure to shore. To set a marine structure offshore the same procedure will be used but in reverse order.

REFERENCES:
patent: 2901201 (1959-08-01), Taylor et al.
patent: 2963310 (1960-12-01), Abolins
patent: 3450282 (1969-06-01), Ezolt
patent: 3633369 (1972-01-01), Lawrence
patent: 3895592 (1975-07-01), King
patent: 3906879 (1975-09-01), Lucht
patent: 4286346 (1981-09-01), Wiek

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