Research Institute of Petroleum Exploration&Development (RIPED) PetroChina Beijing 100083 China;
Key Laboratory of Nano Chemistry Key Laboratory of Oilfield Chemistry CNPC Beijing 100083 China;
Department of Chemical Engineering Waterloo Institute for Nanotechnology University of Waterloo Waterloo Ontario N2L 3G1 Canada;
Institute of Porous Flow&Fluid Mechanics Chinese Academy of Sciences Langfang Hebei 065007 China;