常规设备钻进高精度垂直孔施工技术

TECHNIQUES OF DRILLING HIGHLY VERTICAL BORE-HOLES WITH CONVENTIONAL EQUIPMENTS

    摘要
  • 摘要: 对采用普通钻探设备施工高精度垂直孔所面对的操作工艺等方面的问题进行了分析研究,并成功地将选择的工艺参数用于实际施工中,取得了较好的效果。

     

    Abstract: Some problems about drilling highly vertical bord-holes with conventional drilling tools,including the construction technic,were discussed and solved.The optimal drilling parameters were selected to apply successfully to the construction of the vertical bore-holes.As a result,the inclinations of the vertical bore-holes are all less than 0.035°

     

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