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以实例说明了生物标志化合物在高熟─过熟天然气气源研究中的应用。查明了松辽盆地北部汪家屯─宋站地区扶杨油层天然气主要来源于深层侏罗系煤系地层，并以垂向运移、就近捕集为主。研究结果表明，用生物标志化合物研究高熟─过熟气源是一种行之有效的方法。
An example is given to illustrate the application of biomarker compounds in the research of gas source of high ripe and overripe natural gas. It was found that natural gas in Fuyang reservoir of Wangjiatun-Songzhan area in north Songliao Basin mainly came from the deep Jurassic coal system strata, and was mainly migrated vertically and captured nearby. The results show that using biomarkers to study the ripe and over-mature gas source is an effective method.