1. College of Petroleum Engineering, China University of Petroleum, Dongying, Shandong 257061, People’s Republic of China
2. Downhole Operation Company, Jidong Oilfield Company, Tangshan, Hebei 063000, People’s Republic of China
3. Geoscience Research Institute, Shengli Oilfield Company, Dongying, Shandong 257015, People’s Republic of China