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本文给出了聚合物驱时，抽油机井泵的最小沉没度和最大沉没度的计算公式和统计方法。研究出了大庆油田萨中开发区聚合物驱时，抽油井最大沉没度和最小沉没度的变化范围，指导抽油井调参并取得较好的经济效益。
This paper gives the formulas and statistical methods for the minimum submergence and the maximum submergence of the pump when the polymer is flooded. The range of variation of maximal submergence and minimum submergence degree of sucker-rod wells during polymer flooding in Sazhong Development Zone of Daqing Oilfield has been studied to guide the adjustment of pumping wells and obtain better economic benefits.