1. School of Petroleum Engineering, China University of Petroleum (East China), Qingdao City, Shandong Province 266580, China
2. Exploration and Development Research Institute, Sheng Li Oilfield Company, SINOPEC, Dongying City, Shandong Province 257015, China
3. Key Laboratory of Photochemical Conversion and Optoelectronic Materials, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing 100190, P. R. China