THE MEASUREMENT RESEARCH ABOUT THE LENGTH OF DISTRESSED ZONE IN MAJIAGOU 0521

Zhang Jiuling, Guo Liwen. THE MEASUREMENT RESEARCH ABOUT THE LENGTH OF DISTRESSED ZONE IN MAJIAGOU 0521J. CHINA MINING MAGAZINE, 2006, 15(6): 52-53.

Citation:

Zhang Jiuling, Guo Liwen. THE MEASUREMENT RESEARCH ABOUT THE LENGTH OF DISTRESSED ZONE IN MAJIAGOU 0521J. CHINA MINING MAGAZINE, 2006, 15(6): 52-53.

Citation:

Zhang Jiuling, Guo Liwen. THE MEASUREMENT RESEARCH ABOUT THE LENGTH OF DISTRESSED ZONE IN MAJIAGOU 0521J. CHINA MINING MAGAZINE, 2006, 15(6): 52-53.

Abstract

In the coal and gas outburst well, the length of distressed zone is relate of outburst According to the original and remained gas content; combining the spot data, the length of distressed zone in 0521 is worked out which is 6m. It can provide powerful proof for preventing the outburst of gas.

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