Library / Extraordinary Federal Republic of Nigeria Official Gazette No. 33

Extraordinary Federal Republic of Nigeria Official Gazette No. 33

Page 12 of 17

B 31 
“proving system” means system for validating the performance of a 
meter 
: 
“repeatability” means the ability of a meter and prover system to repeat 
its registered volume during a series of consecutive proving runs under 
constant operating condition 
: 
“sampling device™ means equipment used for the collection of fluid 
sample from 4 system 
; 
“sampling system™ means a system for the collection of sample from 
the fluid flowing ina pipe : 
“site acceptance test” means a test that is done on an equipment at the 
place of operation during commissioning 
; 
~waceability” means the quality of a measurement result to be linked to 
a reference standard through an unbroken chain of calibrations 
: 
“uncertainty” means an interval of value within which the true value is 
believed to lie within a stated probability 
: 
“USD” means United States Dollars 
; and 
“verification” means provision of evidence that 
a given equipment 
conforms to a specified requirement. 
20. 
These Regulations may be cited as the Petroleum Measurement — Citation 
Regulations, 2023.