The bionic non-smooth principle is combined with impregnated diamond drill bits,and incorporates the wear resistance and drag reduction characteristics of biological non-smooth surfaces into the design of drill bits,so that the drill bits also have such char-acteristics.A new type of bionic impregnated diamond drill bit is studied to improve the efficiency and life of the drill bit.The field drilling test of Φ75 mm biomimetic drill bits shows that the drilling efficiency of bionic drill bits is at least 10%higher than that of or-dinary drill bits,and the bit life is increased by 30%.The research in this article provides new ideas for improving the performance of key tools for deep geological drilling,and has certain practical significance.
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