Library / Midstream and Downstream Petroleum Operations Regulations 2025
Midstream and Downstream Petroleum Operations Regulations 2025

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(a)  ensure that a person engaged in metering activities possesses the
requisite qualifications and competence to perform the activities;
(b)  ensure that metering and allocation systems are designed, fabricated,
inspected, tested and installed in accordance with these Regulations and the
directives of the Authority; and
(c)  maintain measurement systems, reports, records and data as prescribed
by the Authority for audit.
31.—(1)  A licensee or permit holder shall provide the Authority with
information or data on —
(a)  annual performance of measurement system;
(b)  annual maintenance plan and record for the previous year;
(c)  malfunction of measurement system;
(d)  annual recertification notice;
(e)  annual totalizer measurement;
(f )  annual actual measurement;
(g)  report of maintenance work on flow computer and other metering
system components;
(h)  petroleum liquids and natural gas handling agreements, including cargo
loss claims; and
(i)  the performance of a newly installed metering system not later than
three months after installation.
(2)  The Authority may direct a person to provide information or data on
any measurement operation in the prescribed manner and within the timeframe
stipulated.
32.  The Authority shall approve standards and recommended practices in
the design, construction, modification, upgrade, operation and maintenance of a
measurement system.
33.—(1) The classes of dynamic measurement based on their purpose of
deployment are—
(a)  Class A measurement which is the metering station used for the delivery
of fiscal metering of petroleum liquids and natural gas to customers and
where sales contracts are applicable;
(b)  Class B measurement which is the metering station for the delivery of
petroleum liquids and natural gas in commonly used pipeline systems and
where allocation procedures or joint operating contracts apply;
(c)  Class C measurement which is the metering station for the delivery of
fuel gas within the operator’s operating facility or to a third-party facility;
(d)  Class D measurement which is the metering station for midstream
flare gas measurement; and
(e)  Class E measurement which is the weighing or metering station for
petroleum based solid products measurement.
Measurement
standards
Classes of
dynamic
measurement
Information
reporting