顶板高位走向钻孔瓦斯抽采效果分析及技术优化

doi:10.11799/ce201403017

COAL ENGINEERING ›› 2014, Vol. 46 ›› Issue (3): 52-54.doi: 10.11799/ce201403017

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Study of Influencing Factors Of Extraction Gas Effect for High Drilling

Received:2013-08-30 Revised:2013-11-02 Online:2014-03-14 Published:2014-03-15

Abstract

Abstract:

This article generalized analysis the influence factors of extraction effect for high drilling. has tested and studied the design, the construction and extraction effect of high drilling in the large fully machine working surface by Ⅱ7212, 7258, etc,Renlou coal mine. has obtained Renlou coal mine high drilling the arrangement parameter, proposes further optimization and the improvement method.

Key words: high drilling, Extraction effect, Test and Study, Design optimization

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URL: http://www.coale.com.cn/EN/10.11799/ce201403017

http://www.coale.com.cn/EN/Y2014/V46/I3/52

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Study of Influencing Factors Of Extraction Gas Effect for High Drilling

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