孔内爆破起拔井壁管工艺

THE TECHNOLOGY OF EXPLOSION IN DRILL HOLE TO DRAW OUT CASING PIPE

    摘要
  • 摘要: 采用孔内爆破法起拔井壁管,是一种快速简便有效的方法。

     

    Abstract: Explosion in drill hole is widely used.Using this method to draw out casing pipe is a high-speed and simply effective way.

     

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