Flowatch Multiphase Flow Meter [ENG] - 3I and HS - Pietro Fiorentini

Flowatch
Multiphase Flow Meter

Multiphase Flow Meter Flowatch
Technology
Pietro Fiorentini Multiphase Flow Meter is a non intrusive, inline system providing real time measurement of oil,
water and gas flow rates in the dispersed phase of the flow avoiding the use of large systems based on phase
separation.
Evolution of our product
Flowatch 3I and Flowatch HS are the new generation of Pietro Fiorentini Multiphase Flowmeters, created as an
evolution of the top selling non radioactive Flowatch model developed in 2004, implementing the latest state of the
art technologies in order to provide an even more reliable and robust measurement to our customers
2004
Flowatch
Principle of operation
2010
Flowatch 3I
2011
Flowatch HS
The flow rates of oil, water and gas are calculated based on the measurements of the fluid dielectric properties, of
the differential pressure across the venturi inlet.
In the HS model, density is measured through gamma ray detection. No separating devices, mixers or by-pass
lines are needed. The fluid velocity is measured with a new array cross-correlation of the high resolution time
signals from three pairs of electrodes located inside the venturi insert, resulting in a higher performance.

MPFM Product Range
Flowatch
3I
Non radioactive model, suitable for strictly regulated
areas.
No specific permits required !
Flowatch
HS
Model with gamma source, easier calibration, ideal for
applications requiring a better accuracy.
High GVF
Skid
A partial gas separator device installed upstream of the meter in
order to reduce the gas fraction through the meter and to guarantee
the accuracy even in high GVF conditions.
Suggested over 92% GVF

Key Features
3I and HS models:
• Array cross correlation for a more reliable velocity measurement
• Widest size range on the market
• High repeatability and long term stability due to high quality components
• High flexibility: both onshore and offshore application
• Improved mathematical model (slip model) for all flow patterns
• Suitable for mobile applications (e.g. on trailer or truck)
• Easy Calibration
Only HS Model:
• Highest speed available on the market for density measurement
• High accuracy due to the fast gamma detector
• Dose rate value at surface close to background level
What’s new:
•New patented metering section
• Retrievable venturi inlet
• Detector specifically developed for multiphase metering (HS Model)

Accuracy at 95% confidence level Flowatch
3I model
GVF Range [%] 0-25 25-60 60-70 70-85 85-92 92-97
Liquid flow rate 4% 6% 9% 10%
Gas flow rate - 10%
Water cut 2% ABS 3% ABS 4% ABS
HS model
GVF Range [%] 0-25 25-60 60-70 70-85 85-92 92-97
Liquid flow rate 2% 3% 4% 5%
Gas flow rate - 6%
Water cut 1% ABS 2% ABS 3% ABS

Flowatch
Operating Range
Typical uncertainty
(95% confidence int.)
• 0-100% water cut
• 0-92% gas volume fraction (GVF), up to 99% with HGVF skid
• All flow regimes
• All water salinity
• Liquid flow rate: +/-3% relative
• Water cut: +/-2% absolute
• Gas flow rate: +/-5% relative
Size From 0,5”up to 8”
Design Pressure &
Temperature
Up to 5.000 psi, up to 302°F (150°C)
Body Material TAISI316, Duplex, Inconel 625, others on request
Venturi Insert field replaceble, std Beta 0.6, max pressure drop

Flow Computer
HMI
Well Testing Services
• Real Time controller, Operating system VxWorks
• Ambient temperature -40° C/ + 70° C
• Power supply: 24VDC, or 110÷240 V 50÷60Hz
• Power consumption: 15W
• Enclosure for safe area or for hazardous area
• Weather protection: IP 65
• Stainless steel or aluminium enclosure
• Local display (optional)
HMI for Windows XP, and 7
Pietro Fiorentini can provide an integral service with MPFM
mobile devices and PVT analysis Lab, organizing an outsourced
reliable well testing campaign.

Providing Solutions for Oil and Gas
High Integrity Pressure
Protection Systems
The data are not binding. We reserve the
right to make eventual changes without
prior notice.
CT-s 585-E Oct 11
www.fiorentini.com
Subsea Solution
Pietro Fiorentini S.p.A.
via E.Fermi 8/10
I-36057 Arcugnano (VI) Italy
Gas treatment plants
Tel. +39 0444 968.511
Fax. +39 0444 960.468