1. State
Key Laboratory of Oil and Gas Reservoir Geology and Exploitation, Chengdu University of Technology, Chengdu 610059, Sichuan, China
2. College
of Energy, Chengdu University of Technology, Chengdu 610059, Sichuan, China
3. Downhole
Operation Sub-Company, Daqing Oilfield, Daqing 163000, Heilongjiang, China