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Thanks, We need to revise the SOW based on the best alternate and push the candidates to revise their technical and commercial proposal based on new scope.

Hi, What i'm going to ask may not be related to this engineering forum but any practice or even referring to an specific forum will be appreciated. During the tender evaluation (bidding stage) of a submarine pipe line project when base and alternative proposal is received from different...

unfortunately it's not possible to share project doc on an internet forum, however the main question was about joule-thomson phenomenon in ASV.

Overall painted area= 0.53*6000/1000=... m2 bare pipe weight= 28.83*6000/1000=... kg Paint Micron is 1 Micron = 7.625 Grams (Paint thk is 1 micron = 7.625 gr/m2) Paint weight= 7.625*0.53*6000/1000=... gr

Okey, Let me explain you guys the exact position we may face with. The compressor unit is designed to deliver 15 MMSCMD to end users. The incoming gas temp is 18 degree Celsius and outlet temp after AC is 50 degree Celsius. Alarm incoming temp set point is 37 degree Celsius and HH temp will be 5...

correct, the AC will be thermally overloaded because of recycle mode without considering temp drop in ASV. So, do you agree that there is no consideration of temp drop in ASV by designer?

Thanks, The background is that the outlet of the compressor is too hot and in surge case while opening ASV, the inlet temp will increase rapidly and will reach the compressor trip point due to high inlet temperature specially in full recycle case. So, if there is any consideration for temp drop...

Hi every body, Is there any specific reference shows that joule-thomson phenomenon is considered/(or not considered) in design of compressor anti surge valve. The issue is related to natural gas trunk line compressor stations to boost the natural gas pressure by means of centrifugal...

Hi every body, Is there any specific reference shows that joule-thomson phenomenon is considered/(or not considered) in design of anti surge valve? The issue is related to the valves for use in natural gas trunk line compressor stations.

Pipenet, pipesim, pipephase, winsim, proII and olga depends on your requirement

Thanks guys, but responses not helping. The question is not regarding design, that's about material and or tests which is necessary to be taken care from pipe manufacturer for offshore pipeline during manufacturing of pipe. We are using API 5L X70/80 in onshore projects for dry, solid free and...

Thanks for valuable response, I've not experienced offshore pipeline project however I was involved in several onshore pipeline. Of course the design is totally different! the following are the key factors in steel pipeline but I don't know weather the same for offshore or not. (1)CV value on...

Dear all, What are the key factors regarding steel pipeline for deep water application? Basically is there any difference between shallow/deep water or onshore pipeline material? Is it allowed to follow API 5L for offshore applications? Best regards, Akbari

Hi guys, What is the appropriate stage of providing Stud/Bolts MTO in a project? is it provided in feed stage or it has to be postpone to detail design stage? Regards Akbari

As far as I know using higher grade especially for high pressure system is always more economical due to decreasing the thickness of the wall; hence why the higher grade is not used for all diameter not only for pipes but also fittings and flanges?

Hi all, The attached pic is material section of a pig trap data sheet. Does anyone know why the material grade changes by changing the size? and is it possible to select same grade for all sizes? Best regards, Akbari...

Dear all, Thanks The equipment data sheets rated to Class 150 and consultant considered a philosophy as minimum Class 300 on instrument connections for mechanical strength.

Deat all, I need an advice. In all equipment mechanical data sheets that i have seen the rating of instrument flanges is one level higher than other flamges. Is there any regulation or mandate for this?