The well trajectory control technique is focally discussed.
重点介绍了其井眼轨迹控制技术。
Accurate prediction of BHA deflecting capacity is very important for precise well trajectory control.
预测下部钻具组合(BHA)的造斜能力对准确控制井眼轨迹十分重要。
The evaluation of drillability anisotropy of the formation is very important for well trajectory control.
地层可钻性各向异性的评价对井眼轨迹控制具有重要意义。
The established arc model and its solving method can be applied to directional well trajectory control and target hitting quality evaluation, etc.
所建立的圆弧模型及求解方法可应用于定向井井眼轨迹控制和中靶质量评价等。
By using the algorithm for generating control commands, a downhole tool manipulated on the surface was designed to meet the requirements of the well trajectory control technology.
根据控制原理，设计了一套从地面控制井下的工具，以实现轨迹控制的指令算法。
The formation natural deflecting law and force are the basic geological foundation for the well trajectory control in directional wells and deflecting-protection in vertical wells.
地层自然造斜规律和造斜能力是定向井井眼轨迹控制和直井防斜打直的基本地质依据。
Well trajectory control is one of the key technologies of high-angle well well drilling, and the results of the control directly affect the well friction, torque, safety and construction of all Wells.
井眼轨迹控制是大斜度井的关键技术之一，其结果直接影响该井摩阻扭矩的大小、全井的安全及施工的顺利等。
The vehicles are designed to detect lanes, pedestrians, and other vehicles; estimate slope terrain; as well as plan trajectory, actuation, and control.
车辆的设计使其能够探测车道，人行道以及其它交通工具；评估坡道，同时计划轨迹，启动以及控制。
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。
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。
This paper introduces the control of cluster well trajectory for shallow viscous crude oil in District-9, Karamay Oilfield.
介绍了克拉玛依油田九区浅层稠油丛式井井眼轨迹控制情况。
The research result has a guiding significance about preventive inclination of vertical well and wellbore trajectory control of inclined well.
研究结果对直井的防斜打直、斜井的井眼轨迹控制具有指导意义。
Combined with a BHA analysis program, the results of the present study can be used to predict and control the drilling trajectory and to generate the formation factors as well.
利用本文结果，并结合钻柱力学分析，便可对井眼轨迹进行预测和控制，又可反求地层因素等。
It is necessary to depend on the control technology of borehole trajectory to drill the extended-reach well successfully. A closed-loop adjustable stabilizer at downhole is developed.
钻成大位移井必须依靠井眼轨迹控制技术，研制的井下闭环可变径稳定器是实现该项技术的关键。
It is necessary to depend on the control technology of borehole trajectory to drill the extended-reach well successfully. A closed-loop adjustable stabilizer at downhole is developed.
钻成大位移井必须依靠井眼轨迹控制技术，研制的井下闭环可变径稳定器是实现该项技术的关键。
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