Multi Phase Meter Arvand Azin Aryan. Agenda What is multiphase meter Operating principle Multiphase...
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Transcript of Multi Phase Meter Arvand Azin Aryan. Agenda What is multiphase meter Operating principle Multiphase...
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Multi Phase Meter
Arvand Azin Aryan
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Agenda• What is multiphase meter• Operating principle• Multiphase advantages• Fluid operation range• What companies using multiphase? • Operation example• Accessories List • Application data sheet• Third generation
Arvand Azin Aryan
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•
What is Multiphase meter?
The Multiphase meter Technology is the combination of the robust concept ofVenturi and well known and unique measurement of Multi-Energy
Gamma Ray to replace conventional well testing
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Measures•fraction and velocity of oil•fraction and velocity of water•fraction and velocity of gas
Outputs•Oil rate•Water rate•Gas rate
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Multiphase meter - Topside Arvand Azin Aryan
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Multiphase meter - Topside
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Gamma-rays detector
Ba133source
Venturi
Flow
ΔP
Venturi Total mass flow rate (Bernoulli)
Source and detector 3 phases fractions (nuclear attenuatio)
PVT model Convert from line to standard conditions
Output -> Oil, Gas, Water flowrates at standard conditions
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O
X
NNLn
d1
Qtotal mass = qtotal vol. * mixture = v * A * Mass Flow rate = (Volumetric Flow rate) (Mixture Density) = (Mixture Velocity ) (Venturi Throat Area) (Mixture) Density
liquid
waterwlrWLR
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Principle of calculation
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Venturi&
Delta PFluids
dynamics model
Total mass rate
Source & Detector Nuclea
r model
PhasesHold-ups
% Water% Oil
Gas Oil
Water
Single-phase rates
Fluids properties
model
Multiphase* Technology – Calculations overview
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Technology Overview and advantages
• No phase separation,• No moving parts• No tuning factor, No flow calibration• WLR is not phase distribution dependent• Different sizes: 29, 52, 65, 88 (150 – 150,000
bpd)• No Sensor in direct contact with the fluid• Actual measurement at production conditions• Low Differential Pressure Design• No stabilization required• Compact Solution
Arvand Azin Aryan
Sep. 2015
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Features and BenefitsOperation efficiency and safety
Compact, lightweight & small footprint Limited pressure test lines Simple equipment
mobilization
Reduced crew
Short operation duration, saving rig time and reducing flaring fast rig-up and rig down clean-up optimization no stabilization time
required
On line, continuous production monitoring
No moving part (low failure probability)
Data quality & Metrological performance
Improved accuracy vs. conventional testing
High repeatability
Independent of flow regimes
Exceptional dynamic response
Flow rate measurements during all clean-up
Early water detection
Not affected by slugs, foam and emulsion
Unique hardware for heavy oil, black oil, volatile oil, gas condensate, wet gas and dry gas well testing
Reduce the Operation cost
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Fluid Range Operated up to nowArvand Azin Aryan
CP@ line conditions27000 1
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Multiphase Connecting points from production line to test line
Inlet Manifolds of Wells
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Deference in GVF and WLRH18 H8+H18
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H18
H18+H8
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Well head parameters during the test
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Deference in flow rates
H18 H8+H18
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Results
We can subtract H8 oil Q=1761.9-1580=181.9 STB/d, gas Q=163.54-142.03=21.51 MScf/d, water Q=590.86-382.01=208.85 STB/d.
BSW=590.86/(590.86+163.54)=78%
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Ratios
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Well production
Operating point
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Arvand Azin Aryan
Multiphase meter
Bypass manifold
Chock manifold
ESD panel
Gas manifold
Lab cabin
SSV
Data header
Pipes and elbows
Accessories List
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Application data sheet
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Third generation
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Arvand Azin Aryan
Address: Unit No. 11, No.17, Behruz St., Madar Sq., Mirdamad Ave., Tehran, IranTel: 021-22269805-6Fax: 021-22908234
Website: www.arvandazin.comEmail: [email protected]