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在一次注普通中分中浓聚合物驱后,后续水驱达到极限的基础上,通过注高分高浓聚合物,利用其粘弹效应进一步驱替残余油,依据矿场试验数据,对矿场阶段动态变化特点进行研究,并分析区块驱油效果。
Based on the results of a field experiment, the viscoelastic effect is used to further displace the residual oil by injecting a high concentration and high concentration of polymer after a normal medium-rich polymer flooding and subsequent water flooding have reached the limit. Field stage of dynamic changes in the characteristics of the study, and analysis of the block flooding effect.