1. Southwest Petroleum University State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation, , Chengdu, Sichuan 610500 , China ;
2. CNOOC China Limited Tianjin Branch , Tianjin 300459 , China
3. Southwest Petroleum University State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation, , Chengdu, Sichuan 610500 , China
4. China University of Petroleum Faculty of Petroleum Engineering, , Beijing 102249 , China