The definition of casing bend force is not exact, and taking the bend force into account for casing design in the verticalinterval is not correct.
套管弯曲力的定义不够严格,把弯曲力加到垂直井段是不正确的。
3
Well intervals where lift pumps can be located in highly deviated Wells include verticalinterval, deflecting interval, Angle maintaining interval and branch rat hole.