1. Research Institute of Drilling and Production Engineering, CNOOC EnerTech-Drilling and Production Co, Tianjin, China
2. School of Petroleum Engineering, Yangtze University, Wuhan, China
3. State Key Laboratory of Offshore Oilfield Exploitation, Beijing, China
4. BoNan Operations Branch, Tianjin Branch of CNOOC Ltd, Tianjin, China
5. Offshore Oil and Gas Development Center, CNOOC Research Institute, Beijing, China