1. College of Earth Science and Engineering, Shandong University of Science and Technology, Qingdao 266590, Shandong, China
2. Sanya Offshore Oil & Gas Research Institute, Northeast Petroleum University, Sanya 572025, Hainan, China
3. Key Laboratory of Deep Oil and Gas, China University of Petroleum (East China), Qingdao 266580, Shandong, China