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。
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.
从该单元的6口注水井中，根据决策因子优选了5口井进行调剖。
There are 6 injection Wells in this unit, 5 Wells were selected to be carried out profile control by means of the decision factor.
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