Bent 30 inch Riser

[noviceEng]

Scholars,
I have a 30" Riser with a 300 series Flange at one end, basically it comprises of two lenghts of casing welded at the middle. The overall lenght being 65ft.The Riser appears to be bent somewhere along it's lenght. We've pulled a line (from the flange end) parallel to the riser down to the other end and taken measurements to determine where the bend is, but we would like to find a more accurate way to go about this process.

 

[Unotec]

laser

 

[noviceEng]

Thanks,
we looked into that but the overall lenght (65ft.) was the problem.

 

[mfgenggear]

jig transit example hat is use in surveying or jig & fixture
inspection.

 

[noviceEng]

Thank a lot, appeciate the help guys.