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本义依据地震资料推断了MM凹陷南部早日垩世MS水下冲积扇的存在，并根据凹陷内生油岩成熟度、油气运移聚集规律，对它的含油气性进行了评估。
The original meaning of this paper is based on the seismic data to infer the existence of the Early Cretaceous MS underwater alluvial fan in the southern part of the MM depression. Based on the maturity of oil-bearing rocks and the migration and accumulation of oil and gas in the sag, the hydrocarbon-bearing properties of MS are evaluated.