1. China University of Petroleum, State Key Laboratory of Petroleum Resources and Prospecting, CNPC Key Lab of Geophysical Exploration, Beijing 102249, China.
2. Taiyuan University of Technology, College of Mining Engineering, Taiyuan 030024, China.
3. Corresponding author.
4. No. 1 Oil Production Plant, Petro China Huabei Oilfield Company, Renqiu 062552, China.