沙溪庙组硬质砂岩地层异形PDC齿的设计与研究

马亚超,罗逸非,荣准,陶垒,曾汇川,蒋东,张文远

Design and study of special-shaped PDC cutter for hard sandstone strata of Shaximiao Formation

Yachao MA,Yifei LUO,Zhun RONG,Lei TAO,Huichuan ZENG,Dong JIANG,Wenyuan ZHANG

图5 齿刃角不同的斧形齿的综合破岩比功对比

Fig.5 Comparison of comprehensive rock-breaking specific energy of axe-shaped cutters with different blade angles