刘振杰. 孔内爆破起拔井壁管工艺[J]. 煤田地质与勘探, 2000, 28(6): 63-64.
引用本文: 刘振杰. 孔内爆破起拔井壁管工艺[J]. 煤田地质与勘探, 2000, 28(6): 63-64.
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LIU Zhenjie. THE TECHNOLOGY OF EXPLOSION IN DRILL HOLE TO DRAW OUT CASING PIPE[J]. COAL GEOLOGY & EXPLORATION, 2000, 28(6): 63-64.
Citation: LIU Zhenjie. THE TECHNOLOGY OF EXPLOSION IN DRILL HOLE TO DRAW OUT CASING PIPE[J]. COAL GEOLOGY & EXPLORATION, 2000, 28(6): 63-64.
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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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