© 2019 Department of Petroleum Resources. All rights reserved Department of Petroleum Resources (DPR) PROCEDURE GUIDE

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1.1 Approved Devices
1.1.1 The metering devices approved for installation at custody transfer points for dynamic
flow measurement are:
i.
Positive displacement meters
ii.
Turbine meters
iii.
Ultrasonic Flow meters
iv.
Coriolis Flow meters
1.1.2 All meters, including those not listed above, may be used upon satisfactory
demonstration of its accuracy, reliability, recertification method and approval by the
Director of Petroleum Resources.
1.2 Essential Accessories
1.2.1 Strainers and filters to remove solid particles in the flowing liquid.
1.2.2 Automatic sampling device to be selected and installed as prescribed in Part 1, Section
2.7 of this Procedure Guide.
1.2.3 Meter proving facilities of any of the type prescribed in this guide.
1.2.4 Check valves and back pressure valves, and air eliminators.
1.2.5 Flow conditioning sections for meters, where applicable.
1.2.6 Meter counters of the non – resettable totalizer type with auxiliary reset able counter
for use during proving.
1.2.7 Ticket printers of either the mechanical or digital type.
1.2.8 Means of manually sealing the housing of the flow registration mechanism – (for
meters used for fiscalization only).
1.2.9 Temperature, pressure gauges and transmitters located down-stream the meter.
1.2.10 A security seal to prevent unauthorized tampering with the meter. Meters at all
custody transfer points shall be equipped with level-A security system.

1.3 General Conditions
1.3.1 The design of the metering arrangement shall be based on the “Lease Automatic
Custody Transfer (LACT) System.”
1.3.2 The design drawings of the pipelines and meter arrangement shall be furnished to
the Department of Petroleum Resources together with the design parameters for
installation approval. The same kind of diagrams for the proposed proving device
shall be simultaneously submitted for review and approval. Any future alteration to
the installation shall undergo the same process of review and approval before being
carried out.
1.3.3 Both factory and field construction program of the metering system and associated
prover shall be submitted for appropriate monitoring of progress of construction by
the Department of Petroleum Resources.