中文摘要：

根据对临汾区块煤层气井产出煤粉情况以及该区块地质条件的研究,确定了临汾区块煤粉产出的主要地质影响因素,指出煤粉产出主要受煤体结构、煤层厚度、煤层结构和煤层埋深影响.利用灰色关联分析方法确定了不同地质因素与产出煤粉浓度的相关性,结果表明：煤体结构、纯煤厚度、煤层埋深和煤层结构相关系数分别为0.909 5、0.685 7、0.627 1 和0.627 3,分析认为煤体结构对煤粉产出影响远大于其他影响因素,是影响煤粉产出的最关键因素.

英文摘要：

According to the research of the pulverized coal output of CBM wells and geological conditions inLinfen block, the major geological factors affecting the output of pulverized coal were confirmed. It waspointed out that the output of pulverized coal is mainly affected by coal structure, coal thickness, buried depthand structure of coal seam. By using the grey correlation analysis method, the correlation between differentgeological factors and the concentration of pulverized coal was determined. The results show that the correlationcoefficient of coal structure, coal thickness, coal buried depth and structure of coal seam were respectively0.909 5, 0.685 7, 0.627 1 and 0.627 3. The analysis shows that the effect of coal structure on the outputof pulverized coal is much bigger than that of other factors and coal structure is the key factor affecting theoutput of pulverized coal.