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FAN Jiu-lin. Drilling Technology of Soft Outburst Coal Seam[J]. Safety in Coal Mines, 2012, 43(8): 62-64.
Citation: FAN Jiu-lin. Drilling Technology of Soft Outburst Coal Seam[J]. Safety in Coal Mines, 2012, 43(8): 62-64.
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Drilling Technology of Soft Outburst Coal Seam

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  • Published Date: August 09, 2012
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    • Abstract
  • For the problems of shallow depth of the boreholes construction and low hole-making rate of gas drainage boreholes in soft outburst coal seam,through optimizing construction drilling tools,improving slag discharge ways,starting with appropriate technology parameters,the drilling depth is improved,the hole-making rate is greatly enhanced,and good results have been achieved.
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    • References (2)
  • [1]
    石智军.煤矿井下瓦斯抽采(放)钻孔施工新技术[M].北京:煤炭工业出版社,2008.
    [2]
    袁亮.松软低透煤层群瓦斯抽采理论与技术[M].北京:煤炭工业出版社,2004.
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