发明名称 Apparatus and method for removing offshore pilings
摘要 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.
申请公布号 US4844660(A) 申请公布日期 1989.07.04
申请号 US19870122586 申请日期 1987.11.17
申请人 ORTEMOND, LEON D. 发明人 ORTEMOND, LEON D.
分类号 E02D9/04 主分类号 E02D9/04
代理机构 代理人
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