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Applied Machine Learning Methods for Detecting Fractured Zones by Using Petrophysical Logs

DOI: 10.4236/ica.2021.122003, PP. 44-64

Keywords: Decision Tree, Deep Learning, Ordered Weighted Averaging, Random For-est, Support Vector Machine

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Abstract:

In the last decade, a few valuable types of research have been conducted to discriminate fractured zones from non-fractured ones. In this paper, petrophysical and image logs of eight wells were utilized to detect fractured zones. Decision tree, random forest, support vector machine, and deep learning were four classifiers applied over petrophysical logs and image logs for both training and testing. The output of classifiers was fused by ordered weighted averaging data fusion to achieve more reliable, accurate, and general results. Accuracy of close to 99% has been achieved. This study reports a significant improvement compared to the existing work that has an accuracy of close to 80%.

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