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yes probably we suspected in welding cracks. yes they must cut weld and HAZ put frankly i am not sure they did or not.

thank you LittlenInch always have valuable inputs.

what is best practice to test a leak suspected hot oil coils for crude storage Buffer tank?. the coils pipe is A106 Gr B NPS 3" seamless pipes, used to heat up tank store heavy crude oil with 450,000 barrels 80 diameter, 15M maximum liquid height. the tank have 3 coils (loops) supplied from 6...

many thanks I do appreciate your valid inputs. now we are in a deep discussion about this issue and this inputs help too much. thanks again. I really grateful for that. LittleInch yes you r write :)

dears I want to share you a problem that we face in our pipeline. that we receive a high amount of wax in terminal during pigging specially during pigging operation and some times it lead to blockage in terminal control valves and accumulated wax in bottom of tanks. the pipeline is 28" OD 1500...

Unfortunately no CP applied. And The coating is 3LPP.

Vrey helpful discussions thank you all

dears: we have a pipeline 12" diameter and 1100 m length and it's crossing a river , sealed on two sides with a cap it's used as a backup for a main pipeline, it's unpigable (no pigging facilities) now we need it's not inspected before since 1999 now we need to inspect this line, and line...

thank you for your valuable response appreciate that

that mean even high pressure from feeding line will fall down to atmospheric pressure when released inside the tank?

the 5 bar setting is on the inlet of the terminal from the pipeline.

dears we have new atmospheric storage tank and we want to install a protection against high inlet pressure and flow. how can we calculate the maximum pressure at the inlet of the tank? take that we have old atmospheric tanks on the pipeline terminal and the designer put 5 bar is the maximum...