激光-PDC钻头联合破岩机理及特性研究

黄志强,梁耀文,陈科,翟预立,雷雨薇

Research on the mechanism and characteristic of joint rock-breaking of laser-PDC drill bit

Zhiqiang HUANG,Yaowen LIANG,Ke CHEN,Yuli ZHAI,Yuwei LEI

图10 钻头钻进过程中岩石表面应力云图

Fig.10 Stress nephogram of rock surface during drill bit drilling