发明申请
- 专利标题： ACTIVE STABILIZATION DURING CUTTING FOR HOLE OPENING TOOLS
- 专利标题（中）： 切割孔切开工具时的主动稳定
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申请号： US11950722申请日： 2007-12-05
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公开(公告)号： US20090145667A1公开(公告)日： 2009-06-11
- 发明人: Navish Makkar , Gordon Whipple , Tommy Laird
- 申请人： Navish Makkar , Gordon Whipple , Tommy Laird
- 申请人地址： US TX Houston
- 专利权人： SMITH INTERNATIONAL, INC.
- 当前专利权人： SMITH INTERNATIONAL, INC.
- 当前专利权人地址： US TX Houston
- 主分类号： E21B10/26
- IPC分类号： E21B10/26 ; B23D63/00
摘要：
A drilling tool for drilling a wellbore that includes at least a reaming section and a pilot conditioning section. The pilot conditioning section then includes at least one pilot conditioning blade having at least one cutting element formed of an impregnated matrix material. An outermost extent of the at least one cutting element from a central axis of the tool body is at least half of a pilot hole diameter.
信息查询
