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 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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