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研究目的为利用常规测井和能谱测井资料快速直观地识别碳酸盐岩储层。首先提取了对缝洞型储层反映敏感的测井比值参数,介绍了用于储层识别的综合特征参数的原理;然后通过塔中地区20余口井的资料,分别建立了碳酸盐岩储层级别和储层类型的识别标准;最后用塔中地区3个实例介绍了该方法的应用效果。实例显示,该方法用于识别碳酸盐岩的储层级别是有效的,解释图形直观明了,为完井方案讨论提供了依据。对储层类型的识别,需要结合成像测井资料或岩心资料进行。
The purpose of this study is to quickly and intuitively identify carbonate reservoirs using conventional log and spectral log data. Firstly, the logging ratio parameters sensitive to fractured-cave reservoirs were extracted, and the principle of comprehensive characteristic parameters for reservoir identification was introduced. Based on the data from more than 20 wells in the Tazhong area, carbonate rocks Reservoir level and reservoir type. Finally, the application of this method is introduced with three examples in Tazhong area. The example shows that this method is effective for identifying the carbonate reservoir level, and the interpretation of the figure is straightforward, which provides a basis for the discussion of completion plan. The identification of reservoir types needs to be done in combination with imaging well logs or core data.