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系统分析了吐哈盆地大河沿地区三叠系烃源岩分布特征、有机质丰度、有机质类型及成熟度等特征,深化了对该地区烃源岩潜力的认识。为了客观的评价该区的油气成藏条件,结合野外露头和地震相的研究结果,重新认识和评价已钻遇的烃源岩,并且对深部未钻烃源岩进行预测分析,初步认为大河沿地区具有较好的油气资源潜力。
This paper systematically analyzes the distribution characteristics of Triassic source rocks, organic matter abundance, organic matter type and maturity in the Daheyan area of Turpan-Hami basin, deepening the understanding of the potential of source rocks in this area. In order to objectively evaluate the conditions of hydrocarbon accumulation in this area, combining with the research results of outcrop and seismic facies in the area, we can re-recognize and evaluate the source rocks that have been encountered, and predict and analyze the undivided source rocks in the deep area. The region has better potential of oil and gas resources.