| 大口径嵌岩钻进技术发展与展望 |
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| 引用本文：甘行平.大口径嵌岩钻进技术发展与展望[J].钻探工程,1998,(6):5-7.. Development of Large diameter Rock Socket Drilling Technology and its Prospect[J]. Drilling Engineering, 1998,(6):5-7. |
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| 甘行平 |
| 原地矿部勘探技术研究所 |
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| 中文摘要:分析了大口径嵌岩钻进面临的主要技术难点，并对目前国内常用的３种大口径嵌岩钻进方法牙轮／滚刀钻进法、冲击钻进法（包括无循环和反循环）和气动／液动潜孔锤钻进法的技术现状作了介绍，提出了提高我国大口径嵌岩钻进技术水平的建议。 |
| 中文关键词:大口径嵌岩钻进,牙轮／滚刀钻进,冲击钻进,气动／液动潜孔锤钻进,破碎,岩石 |
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| Development of Large diameter Rock Socket Drilling Technology and its Prospect |
| Gan Xingping |
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| Abstract:The main technical challenges present with large diameter rock socket drilling are analysed. The technical status quo of three conventional large diameter rock socket drilling methods, e.g. cone bit/disc cutter drilling method, percussive drilling method (no circulation and reverse circulation) and air/fluid powered DTH drilling method, is described with concrete proposals initiated for increasing the technical level of large diameter rock socket drilling. |
| keywords:large diameter rock socket drilling, cone bit/disc cutter drilling, percussive drilling, air/fluid powered DTH drilling, fragmentation, rock |
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