碳酸盐岩油藏中钻遇洞穴型储层的油井是主要的产能贡献井,对该类储层的识别具有重要意义。首先根据地震、测井等静态资料和录井、生产等动态资料特征,初步判断油井钻遇洞穴型储层,进而得出典型的试井曲线特征:井储效应阶段时间长;晚期压力导数曲线随着远井区物性变差而上翘,与压力曲线呈“三角形”状,呈现复合油藏的试井曲线特征。 The oil wells in the carbonate reservoirs that encounter cave reservoirs are the major contributors to productivity, and are of great significance to the identification of such reservoirs. First of all, based on the static data such as seismic and logging data and dynamic data features such as mud logging and production, we initially judge that the well drilled a cave reservoir, and then got the typical characteristics of the well test curve: the long period of well storage effect; the late pressure derivative curve With the deterioration of the physical properties of the well, the upturns and the pressure curve show a “triangle” shape, showing the well test curve characteristics of the composite reservoir.