Hi all,
I'm dealing with wellhead systems installed onshore.
I had marginally dealt in the past with wellhead on fixed platform and I know a fatigue analysis due to ocean waves has to be generally performed.
But onshore, is there a case for which a fatigue analysis has to be performed? For example according to PD5500? Or, since wellhead is installed onshore and not subjected to wave movements,hasn't it cases for a fatigue analysis?

Thanks in advance.

I forgot to say I'm dealing with High pressure system: wellhead is rating 15000# and the 6 inches flowline is 10000#.

You should consider fatigue risk due to pressure fluctuation as outlined in B31.3 Ch. IX.

Thanks MoverZ....

By reading some posts about the argument, I noted Caesar isn't able to perform a compliance according to the latest issue of ASME VIII div 2. Please, correct me if I'm wrong.

Here I ask, if there is someone who can share an example on how to perform a fatigue analysis according to ASME VIII div2.

Thanks in advance

Why do you want to use ASME VIII div 2 ?

What Code is your piping designed to ?

I'm dealing with ASME B31.3 Ch.IX for High Pressure piping. If my understanding is correct, fatigue analysis for this type of systems is mandatory and it shall be in compliance with ASME VIII div 2