| 软岩钻进用新型复合片钻头的研制与应用 |
| 投稿时间：2010-08-16 修订日期：2010-11-19 点此下载全文 |
| 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].钻探工程,2010,37(12):74-76.YANG Chun. Development and Application of New Type PDC Bit for Soft Rock Drilling[J]. Drilling Engineering, 2010,37(12):74-76. |
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| 中文摘要: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。 |
| 中文关键词:PDC钻头 软岩 切削齿 布齿 保径 |
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| Development and Application of New Type PDC Bit for Soft Rock Drilling |
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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 developedΦ76 mm PDC bit and the paper introduced the soft rock bit structure design and on-site application effect in detail. |
| keywords:PDC bit soft rock cutting tooth tooth arrangement diameter retention |
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