Characteristics of Organic Geochemistry of Natural Gas Accumulated in Late Stage in China
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摘要: 通过对中国天然气藏成藏及地球化学特征的研究,提出了中国天然气具有晚期成藏的特征,并根据中国沉积盆地的特点将晚期成藏明确定义为盆地经过多期改造以后的最后一次成藏,并将晚期成藏的天然气分为两种类型,即原生型和改造型,总结了各类原生型及改造型晚期成藏的天然气的地球化学特征。Abstract: Research on natural gas formation and characteristics of organic geochemistry of gas fields in China illustrates that natural gases in China are nearly formation in late stage. Late stage formation and its type are defined in this article according to the characteristics of depressional basins in China. Characteristics of organic geochemistry of all types of primary and modified late stage gas fields are also summarized in this paper.
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Key words:
- natural gas /
- late hydrocarbon /
- accumulation
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