The paper presents theoretical basis, application and operational method of PI decision technique. Meanwhile, the application effect of PI decision technique in profile control well is evaluated.
文中介绍PI决策技术的理论基础及用途，以及操作方法，评价了PI决策技术在该层系调剖井获得的效果。
Theoretical basis for diagnosing well conditions with pumping unit electric power and its application effect are approached.
探讨了利用抽油机电功率对油井工况诊断的理论依据和应用效果。
Theoretical basis for diagnosing well conditions with pumping unit electric power and its application effect are approached.
探讨了利用抽油机电功率对油井工况诊断的理论依据和应用效果。
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