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沉积体系是指具有统一物源、统一水流动力体制的、在成因上有共生关系的沉积组合而成的巨大三维沉积体。要在能源盆地中寻找能源资产,就必须阐明在盆地中各种不同的沉积体系在空间的分布和配置关系,以及在时间上的演化关系,才能正确地恢复沉积古地理的面貌,找出能源资源聚集的规律。三角洲沉积体系与油气和煤的生成和聚集有着密切的关系。因此,研究三角洲沉积体系对于油气和煤炭资源的勘探有十分重要的意义。
Sedimentary system refers to a huge three-dimensional sedimentary body that has a unified source and a unified hydrodynamic regime, and is formed by combination of sediments symbiotic relationship. In order to find energy assets in energy basins, it is necessary to elucidate the spatial distribution and configuration of various sedimentary systems in the basin and their evolution in time so as to correctly restore the paleogeography of sedimentary facies and identify energy sources The law of resource accumulation. Delta sedimentary system is closely related to the formation and accumulation of oil, gas and coal. Therefore, studying the delta sedimentary system is very important for the exploration of oil, gas and coal resources.