【摘 要】
：
The biogenic gas and premature-low mature associated gases in some medium and small-sized basins of Yannan Province, such as Luliang, Yanglin, Baoshan and Jing
【出 处】
：
Chinese Science Bulletin
论文部分内容阅读
The biogenic gas and premature-low mature associated gases in some medium and small-sized basins of Yannan Province, such as Luliang, Yanglin, Baoshan and Jinggu basins, have beed researched. The results show that the biogenic-gas consists mainly of methane which is more than 99% in gasous hydrocarbons and of lighter carbon isotopic composition with δ13C1 values from -60.0‰ to - 75.4‰. The methane carbon isotopic compositions in the Baoshan Basin is relatively heavy (δ13C1, - 60‰-- 65‰), but those in Luliang and Yanglin
The biogenic gas and premature-low mature associated gases in some medium and small-sized basins of Yannan Province, such as Luliang, Yanglin, Baoshan and Jinggu basins, have beed researched. The results show that the biogenic-gas consists mainly of methane which is more than 99% in gasous hydrocarbons and lighter oil isotopic composition with δ13C1 values from -60.0 ‰ to -75.4 ‰. The methane carbon isotopic compositions in the Baoshan Basin are relatively heavy (δ13C1, -60 ‰ - 65 ‰) but those in Luliang and Yanglin
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