1. Key Laboratory of Ocean Energy Utilization and Energy Conservation of Ministry of Education, School of Energy and Power Engineering, Dalian University of Technology, Dalian 116023, P. R. China
2. Information Science and Technology College, Dalian Maritime University, Dalian 116026, P. R. China
3. School of Mechanics, Civil Engineering and Architecture, Northwestern Polytechnical University, Xi’an 710072, P. R. China
4. Research Institute of Drilling and Production, Liaohe Oilfield of PetroChina, Panjin 124010, P. R. China
5. Research Institute of Petroleum Exploration and Development, PetroChina, Beijing 100083, P. R. China
6. National Key Laboratory of Continental Shale Oil, Daqing 163002,, P. R. China