发明名称 Apparatus and method for cutting and removing a portion of a tubular
摘要 An apparatus for cutting a tubular member, comprising: a support member; and a plurality of movable cutting elements 11054, 11058 coupled to the support member, said movable cutting elements 11054, 11058 being capable of supporting a cut away portion of the tubular member as the cut away portion of the tubular member is removed from a wellbore.
申请公布号 GB2437045(A) 申请公布日期 2007.10.10
申请号 GB20070015365 申请日期 2004.03.11
申请人 ENVENTURE GLOBAL TECHNOLOGY 发明人 BROCK WAYNE WATSON;DAVID PAUL BRISCO
分类号 E21B31/16;E21B29/00;E21B43/10 主分类号 E21B31/16
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