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通过对河流成因储层剩余油分布规律的研究认识 ,从影响水驱采收率的控制因素分析入手 ,阐明了储层非均质性及注采状况是剩余油分布的两大控制因素 ,进而认识到河流成因储层沉积微相是剩余油分布的主要宏观地质控制因素。对河流成因储层剩余油的认识和挖潜具有较好的指导作用。
Based on the research on the distribution law of remaining oil in reservoirs with genetic origins, the paper analyzes the controlling factors that affect the recovery of water flooding, and clarifies that the reservoir heterogeneity and the status of injection and production are the two major controlling factors of remaining oil distribution. It is recognized that the sedimentary microfacies of river origin are the main macroscopic geological controlling factors of remaining oil distribution. It has a good guiding role in understanding and tapping the remaining oil in the genesis of the rivers.