1. a Postdoctoral Program , Research Institute of Petroleum Exploration and Development , PetroChina, Beijing, Peoples Republic of China
2. b CNPC Drilling Research Institute , PetroChina, Beijing, Peoples Republic of China
3. c International Operation Department, Drilling Fluid Branch , GWDC , Beijing, Peoples Republic of China
4. d Computer Engineering College , Jingchu University of Technology , Jingmen, Peoples Republic of China
5. e School of Materials Science and Engineering , Tianjin University , Tianjin, Peoples Republic of China