管线的控制标准可以从地层移动、管线接头转角与脱开以及管线应变等方面考虑制定。
The pipeline deformation control criteria can be worked out by taking account of the strata movement, joint rotation and pullout of pipes, and the additional strain of pipes, etc.
该模型能够用于求解钻头处的侧向力和转角以及偏轴接头处的侧向力，以评价钻具组合的防斜（纠斜）能力和偏轴接头附近的偏磨程度。
The lateral force on offset-axes sub can be calculated and used to evaluate the eccentrically wearing degree near the offset-axes sub.
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