1. Shandong Key Laboratory of Oilfield Chemistry China University of Petroleum (East China) Qingdao P.R. China
2. Key Laboratory of Unconventional Oil & Gas Development, Ministry of Education China University of Petroleum (East China) Qingdao P.R. China
3. Research Institute of Exploration and Development, Zhundong Oil Production Plant, Xinjiang Oilfield Company PetroChina Karamay P.R. China