1. State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation, Southwest Petroleum University, Chengdu, China
2. Tianfu Yongxing Laboratory, Chengdu, China
3. Research Institute of Exploration and Development, Petrochina Xinjiang Oilfield Company, Karamay, China
4. Chengxin Services Company, PetroChina Qinghai Oilfield Company, Dunhuang, China