| 发明名称 |
Rock drill bits, methods, and systems with transition-optimized torque distribution |
| 摘要 |
A fixed-cutter drill bit is optimized so that cutter torques are evenly distributed not only during drilling of homogeneous rock, but also in transitional formations.
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| 申请公布号 |
US2002157869(A1) |
申请公布日期 |
2002.10.31 |
| 申请号 |
US20020108252 |
申请日期 |
2002.03.26 |
| 申请人 |
HALLIBURTON ENERGY SERVICES, INC. |
发明人 |
GLASS KEVIN L.;MATTHEWS OLIVER |
| 分类号 |
E21B10/16;E21B10/42;E21B10/43;(IPC1-7):E21B10/00 |
主分类号 |
E21B10/16 |
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