An innovative PDC bit design with fully embedded back-up cutters
YANG Yingxin, ZENG Heng, MA Jie, ZHANG Liang, HE Xin, FAN Xiaole, LIN Min
Editorial office of ACTA PETROLEI SINICA . 2008, (4): 612 -614 .  DOI: 10.7623/syxb200804027