发明名称 NOVEL BITS AND CUTTING STRUCTURES
摘要 A cutting element for a downhole cutting tool including a support element, a shearing element disposed on said support, wherein the shearing element is disposed proximal to a leading edge of the downhole cutting tool, and a retaining element overlaying at least a portion of said shearing element is disclosed.
申请公布号 US2008149398(A1) 申请公布日期 2008.06.26
申请号 US20080047170 申请日期 2008.03.12
申请人 SMITH INTERNATIONAL, INC. 发明人 AZAR MICHAEL GEORGE
分类号 E21B10/54;B21K5/04;B22F7/06;B23P5/00;E21B10/26;E21B10/46;E21B10/50;E21B10/55;E21B10/56;E21B10/567;E21B10/60 主分类号 E21B10/54
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