在阐述杏十三区注入水的水质严重影响聚合物驱油效果的基础上 ,探讨改善驱油效果的方法 ,并研究了该区块聚合物驱油的采出程度 ,为该区块聚合物驱油方案的设计提供了理论基础 Based on the exposition of the water quality of the injected water in the Xisan area, the method of improving the flooding effect was discussed. The recovery degree of polymer flooding in the block was studied. The design of oil displacement program provided the theoretical basis