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Multiple regression analysis (MRA), artificial neural network (ANN), and support vector machine (SVM) were applied to two case studies to contrast the application results. Case 1 is the fracture prediction based on studies of 34 samples from Wells An1 and An2 in the Anpeng Oilfield of the Biyang Sag, Nanxiang Basin. Case 2 is the gassiness evaluation of 40 samples in tight sandstones in the Tabamiao...
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