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12 PDC齿压入破岩受力对比

Fig.12 Comparison of rock-breaking force of PDC cutters during indentation