基于该气田天然气的组成和碳同位素特征认为，该气田的天然气也不可能是生物气与下部热成因天然气混合的产物。
Based on the characteristics of carbon isotope and components of gas in this field, it is believed that the gas is unlikely a mixture of biogas and the lower thermogenesis natural gas.
在此基础上，分析了热成因煤层气与次生生物成因煤层气的气源潜力，对研究区煤层气勘探有实际意义。
Based on this, the potential of thermogenic and secondary biogenic coalbed gases were analyzed and it is of practical significance for the coalbed gas exploration in the studied area.
淮南煤田煤层气属于热成因和次生生物成因气的混合气。
Coalbed gases in Huainan coal field is a gas mixture resulted from thermogenic methane and secondary biogenic gas.
淮南煤田煤层气属于热成因和次生生物成因气的混合气。
Coalbed gases in Huainan coal field is a gas mixture resulted from thermogenic methane and secondary biogenic gas.
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