Measurement Library

Flow Measurement Institute Publications (2015)

FMI and NEL

Are Ultrasonic Gas Flow Meters A Viable Option For Wet Gas Applications?
Author(s): Jacob Freeke
Abstract/Introduction:
Proven track record for accurate fiscal metering purposes in dry gas - Generic design well equipped for wet gas field development: Large range - ability, nearly full bore and negligible differential pressure - Continuous improvement of USM design for wet gas environments (geometry, diagnostics) - Also clamp - on technologies available
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Document ID: FDAA4FB7

Effect Of Hydrate Inhibitors On The Accuracy Of Multiphase Meters
Author(s): Prafull Sharma
Abstract/Introduction:
Gas hydrate: Flow assurance issue - Hydrate inhibitors (THIs) are injected - Methanol , MEG, DEG MPFM: Accuracy is important - Fiscal metering - Reservoir management... - Accuracy suffers with hydrate inhibitors
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Document ID: 2F0B30D3

Flow Measurement In Sewers: Combination Of Levels Measurement And Backwater Curves In Experimental Field Application
Author(s): Laurent Solliec Jose Vazquez Matthieu Dufresne Jonathan Wertel Sandra Isel
Abstract/Introduction:
Reduced effort in civil works and maintenance - Non Contact methodology - No Cable - Simple maintenance and start up Use of new communication and energy technologies - Low energy consumption - New communications (GSM, Radar .
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Document ID: 78EACAF6

Uncertainty Of Area Velocity Flow Measurement Methods
Author(s): Andy Godley
Abstract/Introduction:
Independent research, technology, consultancy and innovation company Based in Swindon, UK. Work for users, suppliers, regulators Water, waste, gas Extensive test facilities, inc : Large flow loop Flume Smaller flow rigs Technology assessment, independent evaluation, testing and development
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Document ID: 7D1F3202

Experiences Of Mcerts From The Water Company Perspective
Author(s): Anglian Water
Abstract/Introduction:
What am I going to say MCERTS Self Monitoring of Flow - A brief summary A history in terms of Anglian Water The remedial works programme Case Study 1 - A major problem converted to a minor one Case Study 2 - How do you know its working? Case Study 3 - When all else fails - A large installation and its consequences Key Learning points - What to do and what not to do The future
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Document ID: 35B02185

Numerical Simulation Of Unsteady Turbulent Pipe Flow
Author(s): Tony Wang Yongmann m. Chung
Abstract/Introduction:
Turbulent pipe ows are frequently encountered in a wide range of engineering applications, e.g. , turbomachinery in power plants, large water/oil pipeline systems, blood ow in arteries, etc
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Document ID: E0B9A86A

Improving The Accuracy Of Oilfield Multiphase Flowmeters By Understanding Flow Structure
Author(s): Andrew Hunt, Richard Foster Turner
Abstract/Introduction:
Measurement of multiphase flow in industrial applications remains an urgent need - oilfield flows, conveying , multiphase processes ... Customer requirements are tough - accurate , no in - situ calibration, independence of flow regime and variations in material properties ... ECT has the answers to some of these requirements - fast , non - intrusive, potentially low - cost and easily certified for hazardous areas, measures concentration, velocity and mass flowrate... - but low resolution , effects of structure shape and physical properties such as moisture Here we address ECT response in gas - liquid flows
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Document ID: A54D93C2

An Integrated Flow And Pressure Metering Solution For Remote Locations Using The Water Industry Telemetry Standard Protocol Wits()
Author(s): Ray Keech
Abstract/Introduction:
In the water industry, telemetry system vendors developed proprietary protocols for communications between their field devices and master stations. ? Consequently end users of the telemetry system became locked in to the particular supplier. ? The Water Industry Telemetry Standards (WITS) group was created in 2003 to introduce change ? The first project undertaken was to produce an open standard for transferring data between field devices and a telemetry master station
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Document ID: A7BC7CCD

The Future Of Flow Measurement Within The Water Sector
Author(s): David Tyler
Abstract/Introduction:
There is a need to continually improve customer service and the protection of the environment whilst better preparing the water sector for the uncertainties ahead through: - Enhanced Asset Management Capability more widespread, continuous flow monitoring (with other measurands), advanced modelling and analytics - Building Resilient Systems that better balance risk and service, using more flow data for real - time, intelligent operational decision making - Delivering a more Sustainable Future affordable , less resource consumption, integrated catchment management
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Document ID: 4084EE64

ISO/TC 30 Standards
Author(s): Michael Reader Harris David Michael
Abstract/Introduction:
Contributed to about 13 per cent of the growth in labour productivity in the UK over 1948 - 2002, and contribute u2.5 billion annually to the UK economy. Reduce barriers to trade. Improve the operation of markets through the smooth flow of goods and services. Enable compliance to be demonstrated. Provide confidence in product performance. Enable technology to be transferred from one sector to another. Can have environmental as well as economic advantages
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Document ID: C0F96CC3

The Real World: Entrained Gas In Mass Flowmeters
Author(s): Colin Cheeseman
Abstract/Introduction:
I have 5% gas in my process fluid... .. What will the measurement error be? 2015 - 07 - 01 4 The Real World: Entrained Gas in Mass Flowmeters This is a typical day to day question ? A reasonable question in itself.. ? But not so easy to answer ? For any flow measurement principles ? In the laboratory you can get an answer ? But in the real world this does not hold ? But Why?
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Document ID: DDEAB2B5

Orifice Plates: Do They Really Deliver What They Promise?
Author(s): Michael Reader-Harris
Abstract/Introduction:
Just evaluate twice the standard deviation of the data about the equation? API 14.3.1 does that. But this includes the random uncertainty of the original data
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Document ID: EEF4DCEB

Differential Pressure Meter Diagnostics - Independent Evaluation On Orifice Meter With Liquid Flow
Author(s): Jennifer Rabone Kim Lewis Oliver Bker
Abstract/Introduction:
Entire pressure field through the meter body is monitored DP Meter Diagnostics Actual performance is compared to expected performance (based on physical laws and either standard predictions or calibration results)
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Document ID: 0E4A2D5D

Considerations On Correction Of Flow Readings For A Single Path Ultrasonic Meter
Author(s): Na
Abstract/Introduction:
N ational law requirements for flow measurements in the oil and gas industry . Swirl and asymmetries in the velocity profile (curves, bends) . UFM (Sensitive to disturbances)
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Document ID: 89FC5874

Ultrasonic Flow Meters And Flow Conditioning
Author(s): Gregor Brown Cameron
Abstract/Introduction:
Ultrasonic meters introduced into gas custody transfer applications in the late 80s as an alternative to orifice meters About 10 years later, liquid USMs start to be used in custody transfer applications, primarily targeting offshore use
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Document ID: FC5092AD

A New Calibration Method For Ultrasonic Clamp - On Flowmeters
Author(s): Bernhard Funck Mathias Panicke Erkan Kublay Rainer Engel
Abstract/Introduction:
Uncertainty of the displacement of the transducers: 1 m . Uncertainty of the time difference measurement: 1/5000 of the signal period The total uncertainty 0.1 ...0.25 %, depending on transducer type
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Document ID: 11A4AC88

Use Of A Liquid Ultrasonic Flow Meter In Mixed Phase Flow
Author(s): David Mills Julien Porre
Abstract/Introduction:
A liquid Ultrasonic Flow Meter (USM) is not designed to be a multi-phase meter USM + diagnostics may be suitable in some applications Separator oil discharge Gas is at its dewpoint on exit Oil is at its vapour pressure on exit
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Document ID: 758A514B

Optimizing Gas Storage Fields Operation Through High Accuracy Multiphase Flow Metering
Author(s): N. Bonavita G.Ciarlo P. Ciandri
Abstract/Introduction:
Underground Gas Storage (UGS) is a key sector for assuring reliable and efficient Natural Gas (NG) transmission and distribution ? UGS provides a number of social and economic benefits, including: ? Balancing of gas supply and demand over fluctuating market situations ? Supply NG under optimal economic conditions ? Ensuring gas supply even in case of failures or malfunctions
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Document ID: 5F64887D


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