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建立了多层油藏不渗透边界灌注试井数学模型 ,并针对有利于现场应用的折线型灌注函数 ,获得了该模型的井底压降的精确解析表达式
The mathematic model of multi-layer reservoir impermeable border perfusion test is set up. According to the broken-line perfusion function which is beneficial to the field application, the accurate analytic expression of bottom hole pressure drop of the model is obtained