Apparatus and method for removing offshore pilings

Details Apparatus and method for removing offshore pilings Apparatus and method for removing offshore pilings

1987-11-17

1989-07-04

Reese, Randolph A.

Hydraulic and earth engineering

Marine structure or fabrication thereof

With anchoring of structure to marine floor

405195, 405203, 166 557, 30103, 83184, E02D 904, E21B 2912, B23D 2114

Patent

active

048446602

ABSTRACT:
An assembly for severing tubular piling used to support offshore platforms comprising a support or frame secured adjacent the open, upper end of the piling, a cutting string suspended from the support and comprised of a pipe string, a centralizer and an internal pipe cutter and a power swivel to rotate the cutting string to effect internal severing of the piling.

REFERENCES:
patent: 194149 (1977-08-01), Harris
patent: 1782069 (1929-09-01), Meijer
patent: 3331439 (1967-07-01), Sanford
patent: 3378072 (1968-04-01), Smith
patent: 3396795 (1968-08-01), Venghiattis
patent: 3859877 (1975-01-01), Sherer et al.
patent: 4389765 (1983-06-01), Thompson
patent: 4576070 (1986-03-01), Fitzgerald
patent: 4585374 (1986-04-01), Regalbuto et al.

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