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Hi, I am trying to depressure a plant piping system where we have multiple valves to depressure. i have divided the plant in various sections based on check valve locations and calculated the depressuring time for each section. now I have been told that if we remove all the check valves and let...

Thanks all for your help.

Thanks jmw for your value comments. wouldnt i just need viscosities at 2 temperatures in order to come up with the viscosity at the reference temperature? also the from ASTM D341 Charts viscosity vs temperature is a linear relationship while the spreadsheet you indicated is doesnt produce the...

it is quite a complicated problem. few years back i have worked on a full scale industrial unit for mercaptins removal from C3+ mix. every method you pick have some limitations at the end which you have to deal with. i have looked into installing the moleculare sieves from UOP. they offer a...

i work in heavy oil and gas industry. i am working on a project to install dual viscometer to measure the viscosity of heavy oil blend with diluent in order to calculate the oil-diluent blending rate. once we have the measured viscosity at 2 different temperautres we can extraploate the...

CJKruger, what are u using to calculate the pressure drop. actually i should have mentioned earlier that I am changing the flow rate to get the positive pressure. so my flow rate is less than 250 USgpm which i mentioned in my sketch. it is 220 USgpm. i tried to do it in HYSYS but it didnt work...

CJKruger: I am trying to control the flow rate by eating away all the pressure in the line from my treater to atmospheric tank. my flow rate is approximately 250 USgpm and i am trying to maintain this flow rate. thats why I have to take such a high pressure drop across the CV. at this point i...

i am designing the piping system for my treater desanding system. the treater is operationg at about 80 psig and and i have 2" sch. 160 line coming out of treater going into an atmospheric tank. the piping is on the water side of the treater. now i have to install a butterfly valve on this 2"...

yes it is very heavy crude i think 7 or 8 API gravity. i know there are is not much literature available on these kind of operations and most of the information is properitery anyways. however got some clues and now working on it. hopefully my design will work. if someone know any usefull link...

in my case we are not using cyclone separators. it is the vessels with the inverted pan at the bottom and nozzels to inject high pressure water to remove sand from the bottom of the vessel. i need some material regarding this operation.

I have started working on a project that involve desanding of the FWKO and Treater system. I have never worked on such system before although I am quite familiar with treater operation and design and also worked with some FWKO. mostly i work in the gas side. so any comments where can i find...