突出松软煤层高效成孔技术研究
돌출송연매층고효성공기술연구
Research on efficient holing technique of outstanding weak seam
  • 万方数据
    山西建筑 산서건축
    SHANXI ARCHITECTURE
    2011年 34期 76-78 ,共3页

    常刚政%刘发义%戴世鑫

    상강정%류발의%대세흠

    松软煤层%瓦斯抽采%三角形钻杆%强度 鬆軟煤層%瓦斯抽採%三角形鑽桿%彊度
    송연매층%와사추채%삼각형찬간%강도
    weak seam%gas extraction%triangle drilling pipe%strength
    针对当前常用钻杆在使用过程中存在的问题，研发新型钻杆并进行工业性试验，以实现提高当前钻进深度和钻进效率的技术指标，为煤矿煤层实现深孔钻进提供技术装备支持。
    침대당전상용찬간재사용과정중존재적문제，연발신형찬간병진행공업성시험，이실현제고당전찬진심도화찬진효솔적기술지표，위매광매층실현심공찬진제공기술장비지지。
    According to the common problems in the utility process of the usual drilling pipe, the paper researches and develops the new drilling pipe and undertakes the industrial experiments, so as to improve the technical indexes of the current drilling depth and efficiency, and provide the technical and equipment support for the deep drilling in the seams of the coal mines.
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