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Gas geochemistry and deep gas exploration potential in Eastern Liaohe Depression
Author(s): 
Pages: 7-10
Year: Issue:  2
Journal: Special Oil & Gas Reservoirs

Abstract: 对辽河东部凹陷天然气地球化学特征及其判识标志、不同类型烃源岩生成气态烃的地球化学特征、气源岩进行研究,分析认为:目前发现的天然气以低成熟的煤型气为主,局部为成熟煤型气;经气源对比,煤型气源岩以s3为主;除煤型气外,局部存在油型气、原生生物气和原油茵解气等类型.利用δ13C-R.关系,结合东部凹陷成熟度-深度关系进行研究,结果表明:目前发现的天然气主要为深度在4300m以上、R.<1.0%的浅源岩层...
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