1. PetroChina Research Institute of Petroleum Exploration & Development, Beijing 100083, China
2. School of Geosciences, China University of Petroleum (East China), Qingdao 266580, China
3. Qingdao National Laboratory for Marine Science and Technology, Qingdao 266071, China
4. No. 1 Gas Production Plant of Changqing Oilfield Company, Xi’an 710075, China
5. Petroleum Exploration Division, PetroChina Qinghai Oil Field Company, Dunhuang 736202, China
6. Research Institute of Exploration and Development, Changqing Oilfield Company, Xi’an 710075, China
7. National Research Center for Geoanalysis, Beijing 100037, China