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通过对油源对比、充注期次、油藏类型及成藏模式的分析,结合烃源岩、断裂及储层展布特征,系统分析了中央构造带苏一段油气成藏特征及主控因素。研究表明,苏一段油气主要来自下伏巴音戈壁组烃源岩,油气为同源一期充注成藏。油气成藏模式为下生上储。油气成藏主要受烃源岩、断裂和储层三个因素的控制,巴音戈壁组有效烃源岩控制了油气藏分布范围,巴润断裂系控制油气展布区带,储层发育影响油气富集程度。
Based on the analysis of oil source contrast, filling period, reservoir type and reservoir forming mode, combined with the source rocks, faults and reservoir distribution characteristics, the hydrocarbon accumulation characteristics and main controlling factors in the first member of the central tectonic belt . The research shows that the oil and gas of the first member of the Soviet Union mainly come from the source rocks of the Lower Bayinogobi Formation, and the oil and gas are of the same phase of charge and accumulation. Oil and gas accumulation model for the next students. The hydrocarbon accumulation is mainly controlled by the source rocks, faults and reservoirs. The effective source rocks of the Bayinogobi Formation control the distribution of oil and gas reservoirs. The Barrun fault controls the distribution of oil and gas and the reservoir development affects the oil and gas Enrichment level.