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发明名称
EARTH BORING DRILL BITS WITH CASING COMPONENT DRILL OUT CAPABILITY, CUTTING ELEMENTS FOR SAME, AND METHODS OF USE
摘要
申请公布号
CA2623231(C)
申请公布日期
2011.04.19
申请号
CA20062623231
申请日期
2006.09.20
申请人
BAKER HUGHES INCORPORATED
发明人
MCCLAIN, ERIC E.;THOMAS, JOHN C.;TYAGI, SARVESH;OLDHAM, JACK T.;CLARK, LESTER;HEUSER, WILLIAM
分类号
E21B10/43;E21B10/567;E21B17/14
主分类号
E21B10/43
代理机构
代理人
主权项
地址
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