井斜对钻具的影响有关理论已经证明，如果井斜角大于某一临界值，在狗腿处旋转钻杆将会引起严重的疲劳破坏。

The related theory that the drilling tool is affected by the inclination of the well had proved the fact: if the Angle of the well is greater than a threshold, there will be se.

youdao

井斜对钻具的影响有关理论已经证明，如果井斜角大于某一临界值，在狗腿处旋转钻杆将会引起严重的疲劳破坏。

The related theory that the drilling tool is affected by the inclination of the well had proved the fact: if the Angle of the well is greater than a threshold, there will be se.

youdao