河南省崤熊构造区主采煤层瓦斯地质规律  

Main Mineable Coal Seam Gas Geological Pattern in Xiaoxiong Structural Belt,Henan Province

作　　者：刘见宝[1] 宋志敏[1] 陈守民[2] 廉有轩[1] 杨晓娜[1] 曲艳伟[1] Liu Jianbao Song Zhimin Chen Shoumin Lian Youxuan Yang Xiaona Qu Yanwei(Henan University of Engineering, Zhengzhou, Henan 451191 Henan Academy of Land and Resources Sciences, Zhengzhou, Henan 450053)

机构地区：[1]河南工程学院,河南郑州451191 [2]河南省国土资源科学研究院,河南郑州450053

出　　处：《中国煤炭地质》2017年第2期35-39,共5页Coal Geology of China

基　　金：国家自然科学基金"琼东南盆地新生代构造东西分异的动力学机制研究"(编号:41206037);河南工程学院博士基金项目"济阳坳陷新生代构造与油气成藏"(编号:D2015010)

摘　　要：采用评价、校正后的174个可用钻孔煤层瓦斯含量点绘制了崤熊构造区主要煤田主采煤层瓦斯含量等值线图,通过分析比较各煤田瓦斯地质特征,总结了区域构造对煤层瓦斯分布的控制规律。崤熊构造区主要煤田主采煤层瓦斯含量总体较低,平均值基本在6 m^3/t以下。煤变质程度低,以长焰煤、气肥煤为主,导致煤层瓦斯含量总体偏低。崤熊构造区受秦岭造山带的影响,在先期逆冲推覆构造的基础上,叠加了后期的伸展构造,不利于煤层瓦斯的保存。Through assessed, checked data from 174 boreholes coal seam gas content points mapped out main coalfields main mineablecoal seam gas content isogram in the Xiaoxiong structural belt. Then through analytic comparison of various coalfields gas geologicalcharacteristics, summed up regional tectonics control on coal seam gas distribution. Main coalfields main mineable coal seam gas con-tent is rather low as a whole with average value less than 6m^3/t. Coal metamorphism degree is low, mainly long flame coal and gas-fatcoal, thus the congenital factor of overall low coal seam gas content. Impacted by the Qinling orogenic belt, in Xiaoxiong structural belt,on the basis of earlier thrusting nappe structure, has superimposed posterior extensional structure, and thus went against coal seam gaspreservation.

关 键 词：崤熊构造区 主采煤层 瓦斯地质 

分 类 号：TD712.2[矿业工程—矿井通风与安全]