1. School of Petroleum Engineering, Xi’an Shiyou University, Xi’an 710065, China
2. Ministry of Education, Engineering Research Center of Development and Management for Low to Ultra-Low Permeability Oil & Gas Reservoirs in West China, Xi’an 710065, China
3. Xi’an Key Laboratory of Tight Oil (Shale Oil) Development, Xi’an 710065, China
4. Oil and Gas Technology Institute of Changqing Oilfield Company, PetroChina, Xi’an, 710018, China
5. National Engineering Laboratory for Exploration and Development of Low-permeability Oil & Gas Fields, Xi’an, 710018, China