1. School of Geosciences, Yangtze University, Wuhan 430100, China
2. School of Petroleum Engineering, Yangtze University, Wuhan 430100, China
3. Engineering Technology Branch, CNOOC Energy Development Company Limited, Zhanjiang, Guangdong 524000, China
4. Engineering Technology Research Institute, PetroChina Xinjiang Oilfield Branch, Karamay, Xinjiang 834000, China
5. Materials Supply and Marketing Company, PetroChina Dagang Oilfield, Tianjin 300280, China