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10 优化前后PDC钻头各喷嘴的流量对比
Fig.10 Comparison of PDC bit nozzle flow before and after optimization