1. State Key Laboratory of Petroleum Resources and Prospecting, China University of Petroleum, Beijing 102249, China
2. Department of Chemistry, Faculty of Science, University of Alberta, Edmonton, Alberta T6G2G2, Canada
3. Changqing Oilfield Company Exploration and Development Research Institute, Xi’an 710021, China
4. Oilfield Technical Service Company, Xinjiang Oilfield Company, PetroChina, Karamay, Xinjiang 834000, China