| 改进型PDC钻头切削齿室内破岩试验研究 |
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| 引用本文：夏宏南,王克雄,蔡镜仑,翟应虎.改进型PDC钻头切削齿室内破岩试验研究[J].钻探工程,1998,(5):32-33.. Experimental Research on Rock Breaking Efficiency of New PDC Cutter[J]. Drilling Engineering, 1998,(5):32-33. |
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| 夏宏南 王克雄 蔡镜仑 翟应虎 |
| 江汉石油学院石油工程系，石油大学 |
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| 中文摘要:表面带碳化钨保护层的新型聚晶金刚石复合片既可保持复合片的自锐特性及耐磨性，又可以避免切削齿的崩裂、掉块现象。试验结果表明，在硬地层中，新型ＰＤＣ切削齿在钻速、切削齿强度和寿命方面与常规ＰＤＣ齿相比具有更好的工作性能。 |
| 中文关键词:PDC钻头,碳化钨保护层,岩石破碎,钻速 |
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| Experimental Research on Rock Breaking Efficiency of New PDC Cutter |
| Xia Hongnan Wang Kexiong Cai Jinglun Zhai Yinghu |
| University of Petroleum Beijing 102200 |
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| Abstract:The new PDC cutter that has a tungsten carbide surface layer can keep the self sharpening characteristics and aslo avoid the breaking off phenomenon of the PDC cutter Results from testing show that the new PDC cutter has better performance than the conventional PDC cutter in terms of drlling rate, strength and durability in hard rock drilling |
| keywords:PDC bit, tungsten carbide layer, rock cutting, drilling rate, |
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