Basic problems on design of automatic control system of bit trajectory are analyzed in this paper.
文中对井眼轨道自动控制系统设计的有关基本问题进行了初步的分析。
The mechanical analysis of the bit in the process of drilling is the bas- is of bit trajectory prediction.
对钻头在钻进过程中的受力分析是准确预测钻头轨迹的基础。
It will cut down the drilling cycle, cutdown the cost of drilling and improve the quality of bit trajectory.
因此可以缩短钻井周期，降低钻井成本，提高井身质量。
Thus it is necessary to quantitatively analyze the formation force in order to predict and control the bit trajectory.
为了预测和控制井眼轨道，必须对地层力进行定量分析。
To exactly calculating the build rate of building motor assemblies and others is a key point of correct prediction and control for bit trajectory in horizontal drilling.
水平井井眼轨道预测和控制问题的技术关键是准确计算各种造斜工具的造斜能力。
It looks like it goes a bit higher up, which will be the trajectory of this red point.
它看上去应该高一点，这就是红点的轨迹了。
His trajectory at the Catalan club was every bit as meteoric as his previous rise in the football world had been.
罗尼在这家加泰罗尼亚俱乐部的轨迹跟他在足球世界先前的冉冉升起流星一样辉煌而短暂。
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。
The trajectory of bore hole is proved to be formed by the resultant displacement of the bit instead of the resultant force.
由此得出，决定井眼轨迹的是钻头合位移方向，而不必是合力方向。
The quantitative calculation of the forces between drill bit and formation is vital for drilling trajectory control.
定量计算钻头与地层之间的作用力对井眼轨迹控制具有重要意义。
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。
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。
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