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通过对群５井原油芳香烃化合物的详细分析研究，认为该井油藏的均一性好，油藏各部位的油气有相同的来源。该井原油成熟度高，被认为来自强还原环境下形成的海相寒武－奥陶系碳酸盐岩生油岩。原油经过长距离的运移在下石炭统巴楚组聚集成藏。
Through the detailed analysis and study of aromatics compounds in well 5 of Well Group 5, it is considered that the well of this well has good homogeneity and the same source of oil and gas in all parts of the reservoir. The wells have high maturity and are believed to be derived from marine Cambrian-Ordovician carbonate source rocks formed under strong reduction. After the long-distance migration of crude oil, the Lower Carboniferous Bachu Formation gathered together.