因此，淮南煤田中后期次生生物气的生成对矿区煤层气资源的贡献重大。
Therefore, the contribution of secondary biogenic gases is great for coalbed gases resources in Huainan coalfield.
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.
次生生物成因气常与后来的煤层含水系统的细菌活动有关。
Secondary biogenic gas is usually associated with late stage groundwater system and bacteria activity.
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