I want to know about Gas Blow-by case for PSV?
A 3phase inlet separator at production unit with 14.8 barg pressure has 101 barg design pressure. The Hydrocarbon phase of this vessel after pass of 2 exchanger is sent to another 3phase separator with 10 barg pressure (12 barg design pressure). If control valve of upstream separator is failed, how can i calculate the rate of gas for blow-by case?
if it is possible please send your answer to my email (ebrahimy54@yahoo.com).
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Gas Blow-by
Started by mohammad reza, Jan 14 2008 04:17 AM
7 replies to this topic
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#1
Posted 14 January 2008 - 04:17 AM
#2
Posted 14 January 2008 - 06:19 AM
You only need to view the post "Inadverent Control Valve Opening" that immediately follows your post.
#3
Posted 14 January 2008 - 11:42 PM
ok. I know gas blow-by will be happen when up steam liquid phase control valve is fail and gas from liquid line entered to down-stream equipment.
But I want to know for mentioned conditions have been described, how I can calculate the rate of gas for gas blow-by condition.
But I want to know for mentioned conditions have been described, how I can calculate the rate of gas for gas blow-by condition.
#4
Posted 15 January 2008 - 06:29 AM
Did you read the post I referenced? I tell you exactly how to do the calculation.
#5
Posted 22 January 2008 - 01:17 AM
QUOTE (pleckner @ Jan 15 2008, 02:59 PM) <{POST_SNAPBACK}>
Did you read the post I referenced? I tell you exactly how to do the calculation.
YOUR MENTIONED REFERENCE IS BOOK OR PAPER?
HOW CAN I ACCESS TO IT?
LOOK FORWARD TO HEAR FROM YOU.
#6
Posted 22 January 2008 - 03:16 AM
mohammad,
I believe there are some mis-communication here...
Phil has directed you to read post entitled "Inadverent Control Valve Opening".
Hope this help.
I believe there are some mis-communication here...
Phil has directed you to read post entitled "Inadverent Control Valve Opening".
Hope this help.
#7
Posted 22 January 2008 - 03:55 AM
QUOTE (JoeWong @ Jan 22 2008, 11:46 AM) <{POST_SNAPBACK}>
mohammad,
I believe there are some mis-communication here...
Phil has directed you to read post entitled "Inadverent Control Valve Opening".
Hope this help.
I believe there are some mis-communication here...
Phil has directed you to read post entitled "Inadverent Control Valve Opening".
Hope this help.
Thanks very much Joewong for your kindly attentions.
i will check it.
#8
Posted 22 January 2008 - 07:19 AM
QUOTE (mohammad reza @ Jan 22 2008, 04:55 AM) <{POST_SNAPBACK}>
Thanks very much Joewong for your kindly attentions.
i will check it.
i will check it.
Take your time to understand what Phil has pointed in the post. You will get the main idea.
If you still have problem or doubt, you may raise specific question with necessary inputs. Only specific question with necessary inputs would gain more and quick response.
Good luck.
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