发明名称 SECTION MILL AND METHOD FOR ABANDONING A WELLBORE
摘要 A method for milling a tubular cemented in a wellbore includes deploying a bottomhole assembly (BHA) into the wellbore through the tubular, the BHA comprising a window mill; and extending arms of the window mill and radially cutting through the tubular, thereby forming a window through the tubular, wherein a body portion of each window mill arm engages and stabilizes from an inner surface of the tubular after a blade portion of each window mill arm cuts through the tubular.
申请公布号 CA2793231(C) 申请公布日期 2014.01.21
申请号 CA20112793231 申请日期 2011.03.15
申请人 WEATHERFORD/LAMB, INC. 发明人 ANTOINE, ANDREW;BAILEY, THOMAS;BANSAL, RAM K.;BRUNNERT, DAVID J.;SEGURA, RICHARD
分类号 E21B29/00;E21B29/10;E21B43/11 主分类号 E21B29/00
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