聚合物驱油剂聚丙烯酰胺
 
聚合物驱油是通过在注入水中加入一定量的高分子聚丙烯酰胺，来增加注入水的粘度，改善油水流度比。调整吸水剖面，扩大波及体积。由于对聚合物分子的粘弹性对油膜油滴具有拉伸和携带作用，提高了驱油效率，达到提高原油采收率的目的。 By means of add a certain amount of polyacrylamide into the injected water and increase its viscosity to improve the oil-water mobility ratio.Polymer flooding is a kind of enhance oil recovery method in the macro.It mainly depends on the increase flooding for liquid viscosity and reduce flooding for liquid and displaced fluid mobility for ratio,thereby expanding the swept volume;in micro,polymer due to its inherent viscoelastic,in flow process produced of oil film or oil droplets stretching effect,increase the carrying capacity,improve the microscopic oil displacement efficiency.