[1] Southwest Petr Univ, State Key Lab Oil & Gas Reservoir Geol & Exploita, Chengdu 610500, Sichuan, Peoples R China
[2] Kazan Fed Univ, Kremlevskaya Str 18, Kazan 420008, Russia
[3] PetroChina Southwest Oil & Gas Field Co, Engn Technol Res Inst, Chengdu 610000, Sichuan, Peoples R China