1. Geosteering & Logging Research Institute, Sinopec Matrix Co., Ltd., Qingdao 266001, China
2. State Key Laboratory of Deep Oil and Gas, China University of Petroleum (East China), Qingdao 266580, China
3. School of Civil Engineering, Qingdao University of Technology, Qingdao 266520, China
4. School of Petroleum Engineering, China University of Petroleum (East China), Qingdao 266580, China