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结合大庆外围油田的实际,从水质基础着手,运用Oddo、Smith和Tomson的物理化学预测公式对榆树林油田和头台油田的地面系统和地下系统条件进行了结垢趋势预测,通过大量的静态实验以及动态模拟结垢实验,说明了油田的结垢类型为碳酸钙,并论述了结垢的影响因素,阐述了油层结碳酸钙垢的原因以及结垢在地层中的分布。最后运用压汞资料和核磁共振资料,指出油层结垢对地层渗透率和孔隙度的影响。
According to the actual situation in Daqing peripheral oilfield, the fouling trend of the ground system and subsurface system of Yushulin Oilfield and Tadai Oilfield was predicted using the physicochemical prediction formulas of Oddo , Smith and Tomson from the water quality basis. Through a large number of static Experiments and dynamic simulation of fouling experiments show that the type of fouling in the oilfield is calcium carbonate, and the influencing factors of fouling are discussed. The causes of calcium carbonate fouling in the reservoir and the distribution of fouling in the formation are described. Finally, the mercury injection and nuclear magnetic resonance data were used to point out the influence of formation scaling on formation permeability and porosity.