永华郭村煤矿瓦斯抽采钻孔影响半径变化规律研究

Radius change law research of gas extraction from coal mine drilling impact in Guo Village

本文结合永华能源有限公司郭村煤矿煤层的实际情况,分析煤矿的瓦斯抽采影响因素,采用多元线性回归法进行现场测试和数值模拟,分析瓦斯抽采影响半径和钻孔孔径的关系,并建立了孔径和抽采时间的关系模型,为确定合理孔径和孔间距提供参考依据。

Based on the actual situation of coal seam in Yonghua Energy Company, this paper analyzes coal mine gas extraction factor, it alsouses the multivariate linear regression method to test and simulate. In order to determine reasonable aperture and provide some references forthe hole spacing, this paper analyzes the relationship between gas drainage radius of influence and the aperture drilling, establishing the rela-tionship model of pore size and extraction time