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Coal Bed Methane Accumulation Geologic Characteristics and Exploitation Prospects of Jiaozuo Coal
Author(s): 
Pages: 8-10,33
Year: Issue:  5
Journal: Coal

Keyword:  煤层气赋存地质条件储层特征焦作煤田;
Abstract: 根据煤田地质勘查和煤层气参数井资料,对焦作煤田煤层气赋存的地质条件和煤层气储层特征进行分析,认为煤田内主要储层为山西组二1煤,煤层的含气量与煤层厚度、煤层的上覆有效地层厚度、煤层割理的发育程度、顶、底板围岩的性质有关,受断裂构造的控制将煤田分成了南、中、北三个构造断块、其中南部和中部断块气含量高,应用层次分析法经计算得到该煤田的综合评价,且优选出恩村井田、古汉山-位村井田、九里山为有利区块,其成藏...
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