1. Key Laboratory of Unconventional Oil & Gas Development (China University of Petroleum (East China)), Ministry of Education
2. Qingdao
3. China
4. Shandong Key Laboratory of Oilfield Chemistry, School of Petroleum Engineering, China University of Petroleum (East China)
5. Bohai Oilfield Research Institute, Tianjin Branch, CNOOC China Limited
6. Tianjin