1. Key Laboratory of Unconventional Oil & Gas Development, Ministry of Education, China University of Petroleum (East China), Qingdao 266580, China
2. School of Petroleum Engineering, China University of Petroleum (East China), Qingdao 266580, China
3. Department of Physics, University of Alberta, Edmonton T6G 2R3, Canada
4. Downhole Technology Service Company, CNPC Bohai Drilling Engineering Company Limited, Tianjin 300283, China
5. Engineering Technology Operating Center, Zhanjiang Branch of CNOOC (China) Company Limited, Zhanjiang 524000, China