1. Southwest Petroleum University, State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation, Chengdu, China; Southwest Petroleum University, School of Geosciences and Technology, Chengdu, China; and Research Institute of Petroleum Exploration and Development-Northwest PetroChina, Lanzhou, China. (corresponding author)
2. Southwest Petroleum University, State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation, Chengdu, China and Southwest Petroleum University, School of Geosciences and Technology, Chengdu, China.
3. Research Institute of Petroleum Exploration and Development-Northwest PetroChina, Lanzhou, China.
4. Southwest Oil and Gas Field PetroChina, Research Institute of Petroleum Exploration and Development, Chengdu, China.