1. Unconventional Petroleum Research Institute, China University of Petroleum-Beijing 1 , Beijing 102249, China
2. National Key Laboratory of Petroleum Resources and Engineering, China University of Petroleum-Beijing 2 , Beijing 102249, China
3. PetroChina Xinjiang Oilfield Company 3 , Karamay 834000, China
4. Research Institute of Yanchang Petroleum (Group) Co. Ltd 4 , Xi'an 710054, China