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本文对喇萨杏油田高含水后期二次加密调整开采效果进行了系统分析，并以北二东开发区为例对二次加密调整效果的变化趋势进行了预测，所得的认识与结论对于水驱开采多层非均质砂岩油田的二次加密调整具有指导意义。
This paper systematically analyzes the effect of secondary encryption adjustment in the later stage of high water cut in Laaxing Oilfield, and takes the North Second East Development Zone as an example to predict the trend of secondary encryption adjustment effect. The conclusions and conclusions obtained are as follows: Mining secondary heterogeneous sandstone oilfield adjustment of the second encryption is instructive.