The compounding slide steering drilling mode has its specific advantages in trajectory control of directional well and horizontal well.
复合式滑动导向钻井方式在定向井、水平井井眼轨迹控制中有其独特的优点。
The control of the trajectory is the core technique in horizontal well technique, while trajectory design and optimal design are the two key techniques.
井眼轨迹控制是侧钻水平井技术的核心，而轨道设计与优化设计又是轨道控制技术的两大关键技术之一。
A nonlinear optimal control model for designing three-dimensional trajectory of horizontal well was established.
针对三维水平井井眼轨道设计问题，建立了一个非线性最优控制模型。
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