Huaizhong Shi, a researcher, was born in 1974. He graduated from the China University of Petroleum (Beijing) with a Ph.D. in Oil and Gas Well Engineering in 2009. His research focuses on the efficient rock-breaking mechanism of hydraulic pulse jet vibration, acceleration technology, and personalized PDC bit development. Address: (102249) Changping District, Beijing. Telephone: (010) 89733512. E mail: shz@cup.edu.cn.
Huaizhong Shi, a researcher, was born in 1974. He graduated from the China University of Petroleum (Beijing) with a Ph.D. in Oil and Gas Well Engineering in 2009. His research focuses on the efficient rock-breaking mechanism of hydraulic pulse jet vibration, acceleration technology, and personalized PDC bit development. Address: (102249) Changping District, Beijing. Telephone: (010) 89733512. E mail: shz@cup.edu.cn.