1. National Key Laboratory of Deep Oil and Gas, China University of Petroleum (East China), Qingdao 266580, China
2. Key Laboratory of Unconventional Oil and Gas Development (China University of Petroleum (East China)), Ministry of Education, Qingdao 266580, China
3. Shandong Key Laboratory of Oilfield Chemistry, School of Petroleum Engineering, China University of Petroleum (East China), Qingdao 266580, China
4. Petroleum Industry Training Center, China University of Petroleum (East China), Qingdao 266580, China
5. CNOOC China Limited, Hainan Branch, Haikou 570312, China