发明名称 |
NOVEL HARDMETAL FOR USE IN OIL AND GAS DRILLING APPLICATIONS |
摘要 |
A down hole drill bit that includes a plurality of cutting elements mounted on a cutting structure, wherein at least one of the plurality of cutting elements comprises a wear resistant material, the wear resistant material comprising coarse grains disposed in a binder matrix phase, wherein the binder matrix phase comprises nanoparticles dispersed therein is disclosed. |
申请公布号 |
WO2010036569(A3) |
申请公布日期 |
2010.07.01 |
申请号 |
WO2009US57425 |
申请日期 |
2009.09.18 |
申请人 |
SMITH INTERNATIONAL, INC.;KESHAVAN, MADAPUSI, K.;LIANG, DAH-BEN |
发明人 |
KESHAVAN, MADAPUSI, K.;LIANG, DAH-BEN |
分类号 |
E21B10/36;C22C29/02;C23C16/00 |
主分类号 |
E21B10/36 |
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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