Kinematic features of a new drill bit of the tornado-like bottom-hole model
TIAN Jialin, PANG Xiaolin, LIANG Zheng, YANG Lin, ZHANG Liang, WEI Qinwen, LI You, ZHU Yonghao
ACTA PETROLEI SINICA . 2013, (6): 1163 -1167 .  DOI: 10.7623/syxb201306017

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