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A total of 101 wells in the Changning-Weiyuan shale gas play (Sichuan Basin of China) had been drilled and stimulated by the end of March 2016, including 11 vertical wells and 90 horizontal wells. Casing deformation is one of the more difficult problems that occur during the reservoir hydraulic stimulating process. Especially for horizontal wells, the casing deformation rate was up to 30% (30 wells...