Two Phase Flow Meter

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a_m_shiha Commentator Join Date: Nov 2008 Posts: 91	Two Phase Flow Meter 05/14/2013 9:18 AM
	I have an application of measuring two phase fluid , in a pipe For this line, the gas will be ≈30 MMSCFD and the liquid ≈ 150 BBLs/D. The client want to measure the gas, the liquid is not that important. what is the best type of flow meter for this application? Is the orifice flow meter will be OK for this service? Or the liquid will affect its accuracy? If we install orifice flow meter to measure the gas and the line includes some liquid, what is the accuracy could be achieved?
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PWSlack Guru Join Date: Jan 2007 Location: In the bothy, 7 chains down the line from Dodman's Lane level crossing, in the nation formerly known as Great Britain. Kettle's on. Posts: 32175 Good Answers: 839	#1 Re: Two Phase Flow Meter 05/14/2013 10:12 AM
	What is the line size? Forget orifeces. __________________ "Did you get my e-mail?" - "The biggest problem in communication is the illusion that it has taken place" - George Bernard Shaw, 1856
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IdeaSmith Guru Join Date: Mar 2012 Location: Out of your mind! Not in sight! Posts: 4424 Good Answers: 108	#2 Re: Two Phase Flow Meter 05/14/2013 10:33 AM
	Can you, do you, want to separate gas from oil before you measure the volume stream? 1 Fluid barrel = 4.2109375 cubic feet so its theoretically not making a dent in the measurement as the volume is order of 4 magnitudes below your gas stream. Try google! It actually came up with some interesting things. http://www.google.com/search?sourceid=navclient&aq=&oq=volume+flow+meter+for+two+phase+flow&ie=UTF-8&rlz=1T4GZAG_enAU459AU459&q=volume+flow+meter+for+two+phase+flow&gs_l=hp....0.0.0.15509...........0.H1PsoHhW7V0 __________________ Common Sense Dictates
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eltech Power-User Join Date: Mar 2011 Location: oz Posts: 252 Good Answers: 10	#3 Re: Two Phase Flow Meter 05/14/2013 9:54 PM
	If the flow of gas is proportional to the flow of liquid, measure the liquid and calculate the gas flow.
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PWSlack Guru Join Date: Jan 2007 Location: In the bothy, 7 chains down the line from Dodman's Lane level crossing, in the nation formerly known as Great Britain. Kettle's on. Posts: 32175 Good Answers: 839	#4 In reply to #3 Re: Two Phase Flow Meter 05/15/2013 3:20 AM
	...using a mass flowmeter. One hopes that these instruments are available for the desired line size. __________________ "Did you get my e-mail?" - "The biggest problem in communication is the illusion that it has taken place" - George Bernard Shaw, 1856
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instruguy72 Active Contributor Join Date: Feb 2012 Posts: 11 Good Answers: 1	#6 In reply to #4 Re: Two Phase Flow Meter 05/27/2013 6:58 AM
	PWSlack Just for info, SHELL DEP prohibits the use of mass flow meter in two phase flow.
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Hilton Guru Join Date: Jun 2011 Location: Mossel Bay, SA Posts: 777 Good Answers: 21	#5 Re: Two Phase Flow Meter 05/15/2013 3:27 AM
	Orifice plate is definitely not a suitable method at all. The correct technology is available. Google Roxar and Framo (manufacturers) on internet. Their products are also marketed by others. There's even mention under Emerson (USA). www.ep-weatherford.com/ and, a pdf for your delight at .http://www.gcg-es.com/Principals%20Products/4%20-%20Roxar/Roxar%2002%20-%20Multiphase%20Flow%20Meter.pdf I charge by the hour for further education...go get 'em.
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eltech (1); Hilton (1); IdeaSmith (1); instruguy72 (1); PWSlack (2)

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