A detailed analysis procedure for obtaining estimates of the reservoir effective permeability, fracture effective half-length, and average fracture conductivity using the bilinear to formation linear transition regime duration production performance data is presented in this paper. A combination of fractured well diagnostic analyses and history-matching with analytic solutions are used to obtain reliable estimates of the average fracture properties and reservoir effective permeability. The transient performance models reported in this paper include the practical reservoir effects of dual porosity, reservoir permeability anisotropy, and fracture face skin effect.

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