Abstract: In this paper,the problem is studied about the well test of analyzing a multi-layered commingled reservoir with unequal initial layer pressure,unequal physical parameter,unequal geometric parameter,and none flow between the layers.In the case of commingled production,the well bore storage and skin effect are considered.The computing method of typical curve of well test model and the matching method of the parameters of each layer are given as well.The defined condition of well test model is that each layer is homogeneous reservoir,inner boundary is penetrated straight well,outer boundary may be infinity,semi-infinity,angle reservoir, closed reservoir. Transient pressure analysis is performed through the calculation of some normal boundary condition.

Key words: multi-layered commingled reservoir, analysis of well test, method, layered-flow rate, initial wellbore pressure

摘要： 针对多层层间无窜流,原始地层压力不同,各层物理、几何参数不同、无封隔器合采情况下的试井问题,考虑井储与表皮,定义了多层合采试井的无量纲初始井筒压力,从而给出了试井模型样板曲线计算方法和分层参数的拟合方法.试井模型的限制条件如下:各层为均质油藏,内边界是全部射开直井,外边界可以是无限大,一条边界,角度油藏,封闭油藏等任意几何形状.通过计算对其中几个典型情况下的多层油藏压力动态进行了分析.

关键词: 层合采, 试井分析, 方法, 分层流量, 初始, 井筒压力