...hnology 水平定向钻技术 Horizontal Directional Drilling Method 水平钻掘工法 Nearly Horizontal Hole Drilling 近水平孔钻进 ..
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For actual demand of nearly horizontal hole drilling of coal seam methane,the paper proposed a scheme of auto-orientation of jet stream of hydraulic correction combining with hydraulic correction technology and designed a correction system based on the scheme.
根据煤层气近水平孔钻进的实际需求,结合水力纠偏技术,提出了一种水力纠偏射流自动定向方案,并在此基础上设计了一种纠偏系统。
参考来源 - 近水平孔水力纠偏自动定向方案及其硬件实现·2,447,543篇论文数据，部分数据来源于NoteExpress
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