河南胡襄煤田二1煤层地质特征及煤层气开发潜力分析
Coal Geology of China（2015）
Abstract
胡襄煤田二1煤层为主要可采煤层,分为二12、二11两层.通过对煤储层地质特征及煤层气成藏地质条件分析,得出:①煤层变质程度较高且煤质良好,有利于煤层气的生成;②煤层含气量较大,渗透性好,盖层比较致密,水动力条件比较弱,为煤层气富集、运移渗流和实施增产措施提供了有利条件;③通过计算,胡襄煤田煤层气资源总量为468.84×108 m3,属大型煤层气田,具一定的煤层气开发前景.
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Key words
Huxiang coalfield,CBM,geological features,exploitation potential
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