Abstract:On the basis of Cliftons, hydraulic fracturing is established under the condition of cylindrical specimen fracture toughness expression. Using a self-built laboratory equipment, drilling core specimen for the fracture toughness test and obtain the relevant data. Based on the rock parameters inversion theory to construct the formation rock fracture toughness inversion objective function and optimization function. according to the drilling core material fracture toughness test data and the application of Matlab … Show more
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