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在亚稳态条件下,用GC—MS—MS研究m/z233～262范围内二萜类的分布,发现吐哈盆地存在两种类型原油及相应的源岩.二叠系—三叠系所产原油富含扁枝烷,其主要来源于上二叠统塔尔郎组泥岩;中、下侏罗统原油富含17-阵四环烷,与中侏罗统西山窑组的煤有较密切的亲缘关系,显示了煤成油特点,在吐哈盆地煤成油具有重要意义.
Under metastable conditions, the distribution of diterpenes in the range of m / z 233 to 262 was investigated by GC-MS-MS and found that there are two types of crude oil and their corresponding source rocks in the Turpan-Hami basin.The Permian-Triassic Produced crude oil is rich flat camphane, mainly from the Upper Permian Talang mudstone; Middle and Lower Jurassic oil is rich in 17-tetracycloalkane, and the Middle Jurassic Xishanyao coal than the group Close genetic relationship, showing the characteristics of coal into oil, Turpan-Hami oil into the oil is of great significance.