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。
The mechanical analysis of the bit in the process of drilling is the bas- is of bit trajectory prediction.
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.
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 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.
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