Mr. Weng Dingwei, Professor. Currently, he is the director of Fracturing and Acidizing Technology Center of PetroChina Research Institute of Petroleum Exploration & Development (RIPED), and the director of Key Laboratory of Reservoir Stimulation of China National Petroleum Corporation (CNPC).He has been engaged in the fundmental research of fracturing technology and on-site technical support for a long time. He has been responsible for more than 30 national and provincial level projects, and has won more than 10 provincial level scientific and technological progress awards. He has published more than 70 articles in domestic and foreign journals and conferences, and has been authorized 11 patents and co-authored 4 books.