1. Experimental Investigation of Shale Gas Production Impairment Due to Fracturing Fluid Migration During Shut-in Time Open Access Author: Yan, Qiyan Title: Experimental Investigation of Shale Gas Production Impairment Due to Fracturing Fluid Migration During Shut-in Time Graduate Program: Petroleum and Natural Gas Engineering Keywords: fracturing fluidpermeabilityshut-in timeleak-offlow-permeability formations File: Download M.S._Thesis.pdf Committee Members: Luis F Ayala H, Thesis Advisor/Co-AdvisorZuleima T Karpyn, Thesis Advisor/Co-Advisor