1. State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation, Southwest Petroleum University, Chengdu, China
2. School of Computer Science, Southwest Petroleum University, Chengdu, China
3. The second exploitation factory of PetroChina HuaBei Oilfield Company, Bazhaou, China
4. CNOOC Ener Tech-drilling & Production Co. Ltd, Tianjin, China