1. School of Petroleum Engineering, China University of Petroleum (East China), Qingdao 266580, China
2. Key Laboratory of Unconventional Oil & Gas Development (China University of Petroleum (East China)), Ministry of Education, Qingdao 266580, P. R. China
3. TUHA Petroleum Research & Development Center, Hami, Xinjiang 839009, China
4. Gas Lift Innovation Center, Laboratory of Multiphase Pipe Flow, Yangtze University, CNPC, Wuhan 430100, China