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Coriolis Meter Trial in Marine
Diesel Fuelling
Lazare Kassi – Saudi Aramco
Saudi Aramco: Confidential
Coriolis Meter Trial in Marine Diesel Fuelling
Marine Terminal
Lazare K. Kassi
2 Saudi Aramco: Confidential
Quotes
“Measurement is the first step that
leads to control and eventually to
improvement. If you can’t measure
something, you can’t understand it.
If you can’t understand it, you can’t
control it. If you can’t control it, you
can’t improve it.”
― H. James Harrington
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Coriolis Meter Trial Summary
Background
Coriolis Meter technology
Coriolis Meter Installation
Trial Procedure
Flow Condition
Coriolis Meter Trial Results
Conclusion
Recommendation
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Background
Over Ten (10) Meters Stream 10 Millions
USG/year (230K Bbl).
Existing Mechanical PD Meters with
Excessive Maintenance & Costly Repairs.
Delivery/Batch Ticket Manually Recorded.
Diesel Contamination.
Lack of Coriolis Meter Experience.
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Coriolis Meter Technology
International Standards
API 5.6:Liquid & AGA 11: Gas; ISO 10790
Measuring Liquid & Gas
Direct measurement of mass flow, density, temperature and viscosity (multivariable sensors).
Very high measuring accuracy (typically ±0.1%)
Not affected by flow profile.
No inlet/outlet runs necessary.
High turn down ratio.
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Meter Installation- Schematic
Meters Installed in Series
Duty meter: Meter #1
Reference meter: Meter #2
Duty meter is installed Upstream of the Reference Meter.
Meter#1 Meter#2
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Coriolis Meter Field Installation
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Coriolis Meter Trial Procedure
2x Coriolis Meters Installed in Series
Meters Calibrated Before/After Trial
Lab Uncertainty @0.05%.
Testing Acceptance Criteria:
Tolerance set at 0.25%.
Meter Density Compared to Laboratory Density.
Average batch time was 15 minutes.
Field check verification every 2 weeks.
Meter zero verification.
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Flow Condition
Coriolis Meter Under Given Conditions
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Coriolis Meter Trial Results
Upper 95% limit = x ̅ +(2*STDEV)
Lower 95% limit =x ̅-(2*STDEV)
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Conclusion-1
Coriolis Meter Meets Test Criteria:
Reference meter accuracy (-0.013%).
Duty meter accuracy (+0.0202%).
Volume flow is within acceptable tolerance
(+/-0.25%):+/- 0.223% over a total batch
size (174000 gal).
Better density measurement (0.1Kg/m3).
No drift during and after operation.
No maintenance during operation.
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Conclusion-2
Coriolis Meter Under Site Conditions:
No empty hose effect.
Good performance unstable pressure &
flow rate.
Handle diesel contamination.
Use of the Coriolis Meter in similar
Custody Transfer
Standardization (34-SAMSS-116/34-
SAMSS-169)
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Recommendation
Assess & Remedy Diesel Contamination
Eliminate Pulsating Flow.
Evaluate Proving System:
In-situ using a Master Meter or SVP.
Periodic Laboratory re-calibration
Automated Metering System.
Install metering flow computer.
Terminal Management System (TMS).
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Thank you &
Questions