发明名称 |
KERFING HYBRID DRILL BIT AND OTHER DOWNHOLE CUTTING TOOLS |
摘要 |
A drill bit for drilling a borehole in earth formations may include a bit body having a bit axis and a bit face; a plurality of blades extending radially along the bit face; and a plurality of cutting elements disposed on the plurality of blades, the plurality of cutting elements comprising: at least one cutter comprising a substrate and a diamond table having a substantially planar cutting face; and at least two non-planar cutting elements comprising a substrate and a diamond layer having a non-planar cutting end, wherein in a rotated view of the plurality of cutting elements into a single plane, the at least one cutter is located a radial position from the bit axis that is intermediate the radial positions of the at least two non-planar cutting elements.
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申请公布号 |
US2013220706(A1) |
申请公布日期 |
2013.08.29 |
申请号 |
US201313804014 |
申请日期 |
2013.03.14 |
申请人 |
SMITH INTERNATIONAL, INC.;SMITH INTERNATIONAL, INC. |
发明人 |
AZAR MICHAEL;DURAIRAJAN BALA;KESHAVAN MADAPUSI K. |
分类号 |
E21B10/567 |
主分类号 |
E21B10/567 |
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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