1. College of Chemistry and Chemical Engineering, Northeast Petroleum University, Daqing 163318, P. R. China
2. Yantai Research Institute & Graduate School, Harbin Engineering University, Yantai 264006, P. R. China
3. Heilongjiang Provincial Key Laboratory of Oilfield Applied Chemistry and Technology, Daqing Normal University, Daqing 163712, P. R. China