发明名称 |
FULLY INFILTRATED ROTARY DRILL BIT |
摘要 |
A fully infiltrated rotary drill bit having a bit body that includes at least one particle-matrix composite material having a particle material composition and a binder material having a binder material composition that differs from the particle material composition. The particle material composition has a particle material melting temperature and the binder material composition has a binder melting temperature that is lower than the particle material melting temperature. |
申请公布号 |
EP3143236(A1) |
申请公布日期 |
2017.03.22 |
申请号 |
EP20150793275 |
申请日期 |
2015.05.13 |
申请人 |
Longyear TM, Inc. |
发明人 |
LAMBERT, Christian, M.;PEARCE, Cody, A.;RUPP, Michael, D. |
分类号 |
E21B10/42;E21B10/02;E21B10/46 |
主分类号 |
E21B10/42 |
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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