导向钻具定向造斜方程及井眼轨迹控制机制
刘修善
Directional deflection equations for steerable drilling tools and the control mechanism of wellbore trajectory
LIU Xiushan
石油勘探与开发 . 2017, (5): 788 -793 .  DOI: 10.11698/PED.2017.05.14