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。
Well trajectory design is one of the key techniques for successfully drilling an extended reach well.
井眼轨道设计是大位移井的关键技术之一。
Measurement while drilling is one of key technologies for monitoring and controlling well trajectory.
随钻测量是井眼轨迹监测与控制中的一项关键技术。
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 design method of directional well trajectory under existing drilled well obstacles is studied in this paper.
提出了存在邻井障碍时定向井轨道的优化设计方法。
Information transmission along well bore plays a very important role in measuring and controlling a well trajectory.
地面与井下的信息传输是井眼轨迹监测与控制的重要环节。
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。
Normal plane distance scanning between adjacent Wells is important in well trajectory design and anti-collision calculation.
面距离扫描在钻井轨道设计、井间防碰计算等问题中有重要的应用。
The advantages and disadvantages of the surveying and calculating well trajectory parameters in two coordinates are also comparatively analyzed.
对比分析了两种坐标系下测量和计算井眼轨迹参数的优缺点。
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。
The axial load and centralizer spacing from the bottom to the top are calculated by using the mechanical analysis method and the well trajectory data.
采用力学分析的方法，结合井眼轨迹数据，由下到上逐跨计算了抽油杆柱的扶正器间距和轴向力。
The curvature rate and well curvature plane Angle can be used to make a good description of the influence of the well trajectory parameters on the side fo.
弯曲平面倾角和井眼曲率的有机结合可以很好的描述井眼轨迹空间形状对钻头侧向力的影响。
Effects of Well Trajectory in Directional Hole on Casing Stress under Different In-situ Stress Conditions, Progress in safety science and technology, 2005.
定向井套管应力随地应力条件的变化规律研究，石油学报，2005。
The curvature rate and well curvature plane Angle can be used to make a good description of the influence of the well trajectory parameters on the side force acting on bit.
弯曲平面倾角和井眼曲率的有机结合可以很好的描述井眼轨迹空间形状对钻头侧向力的影响。
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。
The paper introduces the nonlinear programming method under nonlinear constraints to well trajectory design while drilling and puts forward an optimization method for well trajectory design.
本文将非线性不等式约束下的非线性数学规划理论引入到水平井待钻井眼轨迹设计中，提出了水平井待钻井眼轨迹的最优化设计方法。
The result here can be used quantitatively to analyze the affection of the formation on the well trajectory, and has significant importance for the further study of the bit-rock interaction relation.
结果可用来定量地分析地层因素对井眼轨迹的影响，对于深入研究钻头-地层相互作用关系具有重要意义。
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。
Well, the planet orbits around the sun -- -- in some trajectory.
行星以某轨迹绕太阳运行。
And now, delta r should be essentially roughly equal to, well, its direction will be tangent to the trajectory.
这里，△r应该是近似等于。。。,它的方向是轨道的切线方向。
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。
Combined with the BHA analysis, the models are used to realize the prediction of drilling trajectory and to back-calculate the related coefficients from the well history information.
利用该模式并结合钻柱力学三维分析，可以预测定向井井眼轨迹，还可以利用定向井井史资料，反求有关系数。
Circular arc well section parameter calculation is the most primary question among a series of questions of directional orbit design and actual surveyed trajectory.
在定向井轨道设计、实钻轨迹监控等一系列问题中，圆弧井段参数计算是一个最基础的问题。
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。
Optimizing wellbore trajectory design is the key link to ensure the quality of well bore, decrease accidents in well hole and lower drilling cost.
优化井眼轨道设计是保证井身质量，减少井下事故，降低钻井成本的关键环节之一。
Optimizing wellbore trajectory design is the key link to ensure the quality of well bore, decrease accidents in well hole and lower drilling cost.
优化井眼轨道设计是保证井身质量，减少井下事故，降低钻井成本的关键环节之一。
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