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

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.

Citation:

LIU Zhenjie. THE TECHNOLOGY OF EXPLOSION IN DRILL HOLE TO DRAW OUT CASING PIPE[J]. COAL GEOLOGY & EXPLORATION, 2000, 28(6): 63-64.

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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