测井相分析是储层勘探与开发的一项有效技术.基于研究区的单井和多井测井相谱曲线的大尺度和小尺度所呈现的不同变化趋势,进行了分形特征谱分析.通过5种测井相的分尺度分形特征谱计算,对求得的分维数进行统计分析,结果表明,研究区内单井测井相大、小尺度的分维数起伏不大,说明单井的岩性构成基本一致；而多井2种测井相分尺度分维数分析结果表明其只对小尺度分量敏感,且多井测井相小尺度分维数等值线平面图的分布趋势与实际含气分布符合较好,说明测井相分形特征谱分析技术可以适用于储层展布规律的预测.%Logging facies analysis is an effective technique for reservoir exploration and production. Since large-scale and small-scale spectral curves of single-well and multi-well data present different variation trend in the area, we calculated fractal characteristic spectrum. The result shows that large-scale and small-scale fractal dimension of single-well logging facies is almost the same, which proves that the single-well lithology structure is nearly the same. Furthermore, the multi-well logging facies parameter analysis indicates that it is only sensitive to small-scale components. In addition , the contour distribution trend of small-scale fractal dimension of multi-well logging facies is well consistent with the actual distribution of gas, which shows that the logging facies fractal characteristic spectral analysis is suitable for predicting the distribution of reservoir.
展开▼
