强研磨性地层中PDC钻头井底热-流-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 |
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