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    周生国, 何启林. 综放工作面双层位高位钻孔瓦斯抽采技术[J]. 煤矿安全, 2013, 44(4): 78-80.
    引用本文: 周生国, 何启林. 综放工作面双层位高位钻孔瓦斯抽采技术[J]. 煤矿安全, 2013, 44(4): 78-80.
    shu
    ZHOU Sheng-guo, HE Qi-lin. Gas Extraction Technology of Double Horizon High Location Drilling at Fully Mechanized Caving Face[J]. Safety in Coal Mines, 2013, 44(4): 78-80.
    Citation: ZHOU Sheng-guo, HE Qi-lin. Gas Extraction Technology of Double Horizon High Location Drilling at Fully Mechanized Caving Face[J]. Safety in Coal Mines, 2013, 44(4): 78-80.
    shu

    综放工作面双层位高位钻孔瓦斯抽采技术

    Gas Extraction Technology of Double Horizon High Location Drilling at Fully Mechanized Caving Face

      摘要
    • 摘要: 通过分析正珠煤业1511综放工作面瓦斯来源并结合采空区冒落带、裂隙带高度,采用高、低双层位钻孔布置抽采，并进行了抽采效果分析。

       

      Abstract: Based on the analysis of gas source and the height of caving zone and fractured zone at No .1511 fully mechanized caving face of Zhengzhu Coal Industry, the high and low double horizon drillings for gas extraction is adopted. Finally, extraction results are examined and analyzed.

       

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