本文应用虚位移原理,在充分考虑钻柱所处的特殊环境的基础上,考察了斜直井眼中钻柱屈曲的可能性。
On the basis of energy method, the possibility of drill stem buckling in inclined straight hole is studied.
地层可钻性各向异性评价在直井防斜以及定向井井眼轨迹控制中具有重要的意义。
Evaluation of formation drill-ability anisotropy has important effect for preventing deviation of straight holes and planning drilling trajectories of directional Wells.
地层自然造斜规律和造斜能力是定向井井眼轨迹控制和直井防斜打直的基本地质依据。
The formation natural deflecting law and force are the basic geological foundation for the well trajectory control in directional wells and deflecting-protection in vertical wells.
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