造斜是由钻头、井下动力钻具、造斜工具、钻铤、钻杆组成的钻柱入井前处于自由弯曲状态。
adj. deflecting
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。
Accurate prediction of BHA deflecting capacity is very important for precise well trajectory control.
入靶精度体现了造斜段的轨迹控制水平，也是水平段钻遇油层的前期保证。
The accuracy of target-entering is an indication of trajectory control in build-up section and is a guarantee of drilling into oil reservoir.
各向异性地层理论指出，地层的自然造斜能力是由地层的各向异性特性引起的。
The theory of anisotropic formations shows that the natural deviation deponds on anisotropic character. This paper describes the effect on the well path by anisotropic strata.
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