NATURAL GAS INDUSTRY
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Rock breaking and ROP improvement mechanisms of a new CWD drill bit
Tian Jialin, Zhu Zhi, Cheng Wenming & Yang Lin
(1. School of Mechanical Engineering, Southwest Petroleum University, Chengdu, Sichuan 610500, China; 2. School of Mechanical Engineering, Southwest Jiaotong University, Chengdu, Sichuan 610031, China)