| 科学钻探取心钻进方法的改进和发展 |
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| 引用本文： | 张伟.科学钻探取心钻进方法的改进和发展[J].探矿工程,1994(4):58-59. |
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| 作者姓名： | 张伟 |
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| 作者单位： | 中国地质勘查技术院 |
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| 摘 要： | 介绍了绳索取心液动锤、不提钻换钻头、不提钻换钻头一冲击回转取心、不提钻换钻头一孔底马达、智能式绳索取心等几种适合于小直径科学深孔钻进的取心钻进系统的特点、优缺点、目前研制和使用状况，提出了今后研究工作的方向。
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| 关 键 词： | 钻探工程 取心钻进法 深孔 |
Improvement and Development of Core Drilling Method in Scientific Drilling |
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| Zhang Wei.Improvement and Development of Core Drilling Method in Scientific Drilling[J].Exploration Engineering(Drilling & Tunneling),1994(4):58-59. |
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| Authors: | Zhang Wei |
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| Institution: | China Academy of Geo- Exploration |
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| Abstract: | This paper deseribes features,advantages, disadvantages,present development and application status of a few core drilling systems, suitable for scientific slim hole deep drilling, including wireline coring with hydro- hammers, retractable bit systems, retractable bit system-percussive rotary coring, retractable bit system- down hole motors, and intelligent wire-line coring, with future trend presented. |
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| Keywords: | scientific drilling deep hole coring system |
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