I Need simple MAOP

[OilHunter]

Guys any simple calculation here is what I got

Pipe Wall Thickness in mm
Pipe Size
API class Grade
SMYS

By this details can someone give me a calculation for MAOP.. most of the pipe are 30 years old

 

[SJones]

A suggested course of action was indicated in this thread:

http://www.eng-tips.com/viewthread.cfm?qid=305897

Steve Jones
Materials & Corrosion Engineer

http://www.linkedin.com/pub/8/83b/b04

 

[dcasto]

what codes apply and what fluid is it?

 

[SeanB]

I think you need one additional piece of information - the original test pressure. Once you have that, you will have to de-rate the MAOP based on the remaining wall thickness.

 

[OilHunter]

dcastro

fluid is 3phase oil,water,gas

SeanB

I got the wall thickness as per the latest UT survey.. any simple formula will be a great help