| 软岩钻进用新型复合片钻头的研制与应用 |
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| 引用本文： | 杨春.软岩钻进用新型复合片钻头的研制与应用[J].探矿工程,2010,37(12):74-76. |
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| 作者姓名： | 杨春 |
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| 作者单位： | 核工业华东建设工程集团公司,江西南昌330046 |
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| 摘 要： | 为提高复合片在软岩钻进中的效率及寿命,提出了改变复合片切削齿形状,运用新的布齿方式和新的保径设计,设计制造的Φ76 mmPDC钻头在软岩钻进中取得了良好的效果。详细介绍了该软岩钻头的结构设计及现场应用效果。
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| 关 键 词： | PDC钻头 软岩 切削齿 布齿 保径 |
| 收稿时间： | 2010/8/16 0:00:00 |
| 修稿时间： | 2010/11/19 0:00:00 |
Development and Application of New Type PDC Bit for Soft Rock Drilling |
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| YANG Chun.Development and Application of New Type PDC Bit for Soft Rock Drilling[J].Exploration Engineering(Drilling & Tunneling),2010,37(12):74-76. |
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| Authors: | YANG Chun |
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| Institution: | YANG Chun(East China Construction Engineering Group Co.of Nuclear Industray,Nanchang Jiangxi 330046,China) |
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| Abstract: | To increase the drilling efficiency and prolong the service life of PDC bit for soft rock drilling,suggestion was made to improve the cutting tooth,take new tooth arrangement and new diameter retention design.Good drilling effect was achieved by the developed 76 mm PDC bit and the paper introduced the soft rock bit structure design and on-site application effect in detail. |
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| Keywords: | PDC bit soft rock cutting tooth tooth arrangement diameter retention |
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