1. Professor, State Key Laboratory of Oil-Gas Reservoir Geology and Exploitation, Southwest Petroleum Univ., Chengdu 610500, China.
2. Ph.D. Candidate, State Key Laboratory of Oil-Gas Reservoir Geology and Exploitation, Southwest Petroleum Univ., Chengdu 610500, China (corresponding author).
3. Ph.D. Candidate, State Key Laboratory of Oil-Gas Reservoir Geology and Exploitation, Southwest Petroleum Univ., Chengdu 610500, China.