强研磨性地层中PDC钻头井底热--固三场耦合研究
祝效华,李聪,刘伟吉,谭宾,徐文

Study on bottom hole thermal-fluid-solid coupling of PDC bit in strong abrasive formation
Xiao-hua ZHU,Cong LI,Wei-ji LIU,Bin TAN,Wen XU
图7 PDC钻头井底压力云图及速度矢量图
Fig.7 PDC bit bottom hole pressure nephogram and velocity vector diagram