Piling removal

Details Piling removal Piling removal

1981-05-04

1983-06-28

Combs, Ervin M.

Metal working

Method of mechanical manufacture

Disassembling

82 82, 166 558, B23P 1900, B23B 304, E21B 2900

Patent

active

043897657

ABSTRACT:
A unit (10) is employed such that sections of piling are separated and removed from the surrounding leg jackets to facilitate relocation of an offshore drilling platform. Unit (10) comprises a clamping section (20) by which the unit is secured in place and then utilized to lift a separated section of piling after operation of a cutting section (22). The cutting section (22) includes a rotatable plate (56), at least one cutting disk (68) mounted for movement on the plate, a cylinder (76) for actuating each cutting disk inwardly and outwardly, and a motor (62) for driving the plate.

REFERENCES:
patent: 2915819 (1959-12-01), O'Day
patent: 3052024 (1962-09-01), Courtney
patent: 3332492 (1967-07-01), Thomas
patent: 3717056 (1973-02-01), Gracin et al.
patent: 3733939 (1973-05-01), Paysinger et al.
patent: 3859877 (1975-01-01), Sherer et al.
patent: 4047568 (1977-09-01), Aulenbacher
patent: 4126065 (1978-11-01), Clavin

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