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.
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.
shu
Zheng Ren. DISCUSSION TO SOME PROBLEMS ABOUT DRILLING WITH DRAG BIT[J]. COAL GEOLOGY & EXPLORATION, 1993, 21(3): 56-59.
Citation: Zheng Ren. DISCUSSION TO SOME PROBLEMS ABOUT DRILLING WITH DRAG BIT[J]. COAL GEOLOGY & EXPLORATION, 1993, 21(3): 56-59.
shu

刮刀钻头钻进中几个问题的讨论

DISCUSSION TO SOME PROBLEMS ABOUT DRILLING WITH DRAG BIT

    摘要
  • 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。

     

    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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