Runnan Wu
State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation, Southwest Petroleum University, Chengdu 610500, P. R. China;
China

Bing Wei
State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation, Southwest Petroleum University, Chengdu 610500, P. R. China;
China

Songyan Li
School of Petroleum Engineering, China University of Petroleum (East China), Qingdao 266580, P. R. China;
China

Yan Zhang
Polymer Research Institute, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu 610065, P. R. China;
China

Qiang Luo
Xinjiang Oilfield, CNPC, Karamay 834099, P. R. China
China