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.
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