Study on Development of Shale Gas Horizontal Well With Time-Phased Staged Fracturing and Refracturing: Follow-Up and Evaluation of Well R9-2, A Pilot Well in Fuling Shale Gas Field. - Wenrui Shi; Meiyu Guo; Zisang Huang; Zhansong Zhang; Chaomo Zhang; Yuanhui Shi (IEEE Access, 2021)