在温度（大于50摄氏度）和压力作用下，煤中有机质发生一系列物理、化学变化。煤中大量富含氢和氧的挥发分物质主要以甲烷、二氧化碳和水的形式释放出来。较高的温度下有机酸的脱羧基作用也可以生成甲烷和二氧化碳。
...页岩气 热成因气 地球化学特征 模拟实验 [gap=1497]Keywords : high mature；Salgan Shale；shale gas；thermogenic gas；geochemical characterization；simulation experiments ..
基于68个网页-相关网页
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.
应用推荐