| 刮刀钻头钻进中几个问题的讨论 |
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| 引用本文： | 郑仁.刮刀钻头钻进中几个问题的讨论[J].煤田地质与勘探,1993,21(3):56-59. |
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| 作者姓名： | 郑仁 |
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| 作者单位： | 中国煤田地质总局水文地质局 邯郸 056004 |
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| 摘 要： | 分析了刮刀钻头钻进时刀刃和钻具的受力情况;讨论了“蹩钻”的原因和控制办法。
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| 关 键 词： | 刮刀钻头 应力 蹩钻 |
| 收稿时间： | 1991-12-14 |
DISCUSSION TO SOME PROBLEMS ABOUT DRILLING WITH DRAG BIT |
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| Zheng Ren.DISCUSSION TO SOME PROBLEMS ABOUT DRILLING WITH DRAG BIT[J].Coal Geology & Exploration,1993,21(3):56-59. |
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| Authors: | Zheng Ren |
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| Institution: | Hydrogeology Bureau, CCGGB |
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| Abstract: | The forces which the knives of a drag bit and drilling pipes suffer when drilling are analysed.The mechanism and the control of“suppression of drilling”are discussed. |
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| Keywords: | drag bit stress suppression of drilling |
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