| CJF-20冲击反循环钻机钻进工艺技术分析 |
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| 引用本文： | 张所邦,王德贤.CJF-20冲击反循环钻机钻进工艺技术分析[J].地质科技情报,1999(Z1). |
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| 作者姓名： | 张所邦 王德贤 |
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| 作者单位： | 三峡岩土工程公司 |
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| 摘 要： | 根据冲击碎岩理论和冲击反循环钻进中的工艺技术参数，结合工程施工实例对ＣＪＦ－２０冲击反循环钻机的钻进工艺技术进行了初步的分析探讨，实践表明，ＣＪＦ－２０冲击反循环钻机应用于复杂地层钻进成孔可取得了较好的技术经济效果。
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| 关 键 词： | CJF－20冲击反循环钻机 冲击反循环 冲击碎岩 钻进参数 |
DRILLING PROCESS ANALYSIS OF THE CJF 20 PERCUSSION DRILL RIG OF REVERSE CIRCULATION |
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| Zhang Suobang,Wang Dexian.DRILLING PROCESS ANALYSIS OF THE CJF 20 PERCUSSION DRILL RIG OF REVERSE CIRCULATION[J].Geological Science and Technology Information,1999(Z1). |
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| Authors: | Zhang Suobang Wang Dexian |
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| Abstract: | From points of technology and economy,drilling holes in complex formations with the CJF 20 percussion drill rig with reverse circulation has gained many benefits In this paper,the determination of drilling parameters is discussed based on the impact theory,and combining some practical examples |
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| Keywords: | CJF 20 percussion drill rig with reverse circulation percussion with reverse circulation impacting breaking rock drilling parameter |
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