Production feature and oil displacement rule of the stage are made clear through studying the change of injection and production system in Shengli petroliferous province.

• 分析了胜利油区聚合物驱转入后续水驱阶段注入和产出系统产生的相应变化,认清了该阶段生产特征及驱油规律,采用数值模拟手段。