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