1. College of Petroleum Engineering; China University of Petroleum, (Beijing), Changping District; Beijing 102249 China
2. State Key Laboratory of Petroleum Resources and Prospecting; China University of Petroleum, (Beijing), Changping District; Beijing 102249 China
3. MOE Key Laboratory of Petroleum Engineering; China University of Petroleum, (Beijing), Changping District; Beijing 102249 China
4. Drilling Technology Research Institute; Sinopec Shengli Petroleum Engineering Limited Company; Dongying Shandong 257017 China