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通过在两维纵向非均质正韵律物理模型上开展的三元复合驱油实验研究,探讨了注入方式对驱油效果的影响。找到了几种较佳的注入方式,可在化学剂用量不变的条件下使原油采收率提高2%左右;增加化学剂用量时可使原油采收率提高6%左右
Through the experimental study of ASP flooding on two-dimensional longitudinal heterogeneity positive-rhythmic physical model, the effect of injection mode on flooding effect was discussed. Several better injection methods were found to increase the recovery rate of crude oil by about 2% under the condition of constant amount of chemical agent. Increasing the amount of chemical agent can increase crude oil recovery by about 6%