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Multi-Port Selector Valve Connections

Multi-Port Selector Valve Connections

Multi-Port Selector Valve Connections

(OP)
Good day to everyone,

In the project of connecting several multi-port selector valves to the flowmeter, is it necessary to install check valve at each individual multi port valve test line outlet? There are 5 multiport valves and 1 flowmeter.

The purpose is to provide individual flow measurement of each single stream (from production well) entering each multi-port valve. In other words, if we need to measure single flowrate from any of 26 production wells, how can we provide that flow cannot occur in unwanted direction - i.e., from the test line of any of the multi-port valve that is being measured at the moment, back to the test-lines and ports of other multi-port valves?

I appreciate your comments. Also, it would be very nice if someone can recommend a literature about 8-port valve principle of operation.


Best regards, gentlemen

http://antwrp.gsfc.nasa.gov/apod/astropix.html

RE: Multi-Port Selector Valve Connections

Hi,

I have worked on a couple of Shell PDO projects in Oman where I have used Multiport Selector Valves (MSV) and haven't used check valves on the MSV outlet flowlines. The reason, according to what I was told, is that the internal construction of the MSV is such if the MSV has been lined up to receive gross fluids from a particular flowline then the ports connected to the other flowlines are automatically isolated. Therefore cross-contamiantion with fluids from the other flowlines can be ruled out.

Unfortunately, I cannot recall the vendor whom we had interacted with at that point in time (.....about 4 years back in Muscat...)

Unfotunately, I would not be able to advise you much more than what I have said above as my knowledge on this subject is limited..hope this helps....

Cheers....smile

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