1. Shandong Key Laboratory of Oilfield Chemistry, School of Petroleum Engineering, China University of Petroleum (East China), Qingdao, Shandong 266580, People’s Republic of China
2. Key Laboratory of Unconventional Oil & Gas Development [China University of Petroleum (East China)], Ministry of Education, Qingdao, Shandong 266580, People’s Republic of China
3. Bohai Oilfield Research Institute, Tianjin Branch, CNOOC China, Limited, Tianjin 300459, People’s Republic of China