1. College of Petroleum Engineering, China University of Petroleum, Beijing 102249, China
2. State Key Laboratory of Petroleum Resources & Engineering, Beijing 102249, China
3. Engineering and Technology Operating Center, Hainan Branch of CNOOC Ltd., Haikou 570100, China
4. Liaohe Oilfield Company of CNPC Ltd., Panjin 124010, China
5. Xibu Drilling Engineering Company of CNPC Ltd., Urumqi 830015, China