Research Institute of Petroleum Exploration & Development;
PetroChina;
Beijing 100083;
China;
State Key Laboratory of Enhanced Oil Recovery;
Beijing 100083;
China;
CNPC Key Laboratory of Oil and Gas Reservoirs;
Beijing 100083;
China;
Changqing Oilfield Company;
PetroChina;
Xi 'an 710067;
Shaanxi;
China;