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由于碳酸盐岩储集层岩性复杂、孔隙类型多、非均质性强等原因 ,用常规测井资料进行评价存在许多困难 ,而核磁共振测井资料则为解决该类问题提供了另一种有利的手段。利用核磁共振测井横向弛豫时间 T2 分布谱可直接反映岩石孔隙半径大小的特性对板桥潜山碳酸盐岩储层类型进行了划分 ,其结果在 FMI成像图上表现出很好的一致性。另一方面 ,利用核磁共振测井的移谱法、差谱法、T2 标准谱 ,结合电阻率测井进行了储层流体性质识别 ,并划分出板桥潜山碳酸盐岩储层有效性级别。
Due to the complexity of lithology reservoirs, many pore types and strong heterogeneity, there are many difficulties in the evaluation of conventional log data, while NMR logging data provide another solution to such problems An advantageous means. The distribution of carbonate rocks in Banqiao buried hill can be directly classified by the characteristics of the rock pore radius, which can be directly reflected by the T2 distribution curve of transverse relaxation time of nuclear magnetic resonance logging, and the results show good agreement on the FMI image Sex. On the other hand, the identification of reservoir fluid properties is carried out by using displacement spectroscopy, differential spectroscopy, T2 standard spectroscopy and resistivity logging of nuclear magnetic resonance logging, and the validity of the carbonate reservoir in Banqiao buried hill level.