煤田地质与勘探

2000, (06) 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

刘振杰
Liu Zhenjie (No.119 Prospecting Team of China National Administration of Coal Geology);

摘要(Abstract):

采用孔内爆破法起拔井壁管 ,是一种快速简便有效的方法
Explosion in drill hole is widely used.Using this method to draw out casing pipe is a high speed and simply effective way.

关键词(KeyWords): 孔内爆破;起拔井壁管;工艺
explosion in drill hole;draw out casing pipe;technology

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作者(Authors): 刘振杰
Liu Zhenjie (No.119 Prospecting Team of China National Administration of Coal Geology);

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