Basing on former researcher findings, simplified and deduced the formulas of formation deflecting force and azimuth force of transverse isotropy formation under the condition of the anisotropy bit.
在前人的研究基础上，化简、推导出了各向异性钻头条件下的横观各向同性地层造斜力和方位力公式。
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。
Since the bit tilt Angle has little effect on the formation force, it can be neglected when the formation force is calculated.
由于钻头转角对地层力的影响很小，计算地层力时可以忽略。
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