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为了证实二叠系是鲍恩和瑟拉特盆地石油油源的观点,对南塔鲁姆凹陷二叠系、三叠系和侏罗系各层位富有机质岩石和原油样品做了地球化学分析。出于油源对比的目的用有机岩石学、总有机碳分析、Rock-Eval热解和可溶组分分离方法对73个岩芯和岩屑样品进行了筛选,并对所选源岩进行加水干酪根热解,还对13个原油样品的饱和烃、芳烃馏份用气相色谱、色—质谱和同位素质谱进行了分析。在总碳同位素组成和萜烷、甾烷及芳烃生物标志物组合特征研究基础上,识别出两个油系,即“Snake Creek-Showgrounds”石油系统和“Blackwater-Precipice”石油系统并对其作了论述。
In order to confirm that the Permian is the petroleum source of the Bowen and Serat basin, the geochemical analysis of the organic-rich rocks and crude oil samples from Permian, Triassic and Jurassic strata in the South Tarutian sag . For the purpose of oil source comparisons, 73 samples of core and cuttings were screened by organic petrology, total organic carbon analysis, Rock-Eval pyrolysis and soluble fractionation, and the selected source rocks were subjected to water addition Kerogen was also pyrolyzed. The saturated hydrocarbons and aromatic fractions of 13 crude samples were also analyzed by gas chromatography, mass spectrometry and isotope mass spectrometry. Based on a study of the total carbon isotopic composition and characteristics of the combination of the terpane, sterane and aromatics biomarkers, two oil systems, the “Snake Creek-Showgrounds” petroleum system and the “Blackwater-Precipice” petroleum system, were identified The discussion.