Tubing Length Change due to Buckling

When tubing is freely suspended, it can be buckled by an upward force applied at the bottom of tubing. A section of tubing exposed to compression force will have a chance of being buckled. However, a part which is under tension will not face a buckle issue.

The neutral point is the boundary below which buckling can possibly be occurred and above which buckling will not happen.

 

Figure 1 - Wellbore Diagram with Tubing Buckling Due to Compression Force

Figure 1 – Wellbore Diagram with Tubing Buckling Due to Compression Force

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