Library / GUIDE FOR THE ESTABLISHMENT AND OPERATIONS OF DOWNSTREAM GAS FACILITIES IN NIGERIA (LPG, CNG, LNG) ISSUED BY

GUIDE FOR THE ESTABLISHMENT AND OPERATIONS OF DOWNSTREAM GAS FACILITIES IN NIGERIA (LPG, CNG, LNG) ISSUED BY

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Applicable to all Oil & Gas Operators  
GUIDELINES FOR THE ESTABLISHMENT AND OPERATIONS OF GAS 
STORAGE AND UTILISATION FACILITIES IN NIGERIA 
Code: DPR Guide 0020 - 2020 
 
Revision Date: 1st September 2020 
 
 
 
This is a property of the Department of Petroleum Resources. All rights reserved  
 
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well-ventilated position at ground level, so that the cylinder valves will be at least 
1m horizontally and 300mm vertically from openings in the buildings or from 
sources such as flue terminal or tumble dryer vents. The cylinders should also be at 
least 2m horizontally from untrapped drains, unsealed gullies or cellar hatches 
unless an intervening wall not less than 250mm high is present.  
iv. 
Cylinders should be readily available, reasonably protected from physical damage 
and shall be located where they do not obstruct exit routes from the building.  
3.4.3 Requirements for Skid Mounted, Modularised and Containerized Facility  
The following shall apply for standalone containerized and skid-mounted facilities: 
i. 
They shall meet same requirements and safety distances in Section 3.3.3. 
ii. 
Additional safety measures for adequate ventilation, gas and fire detectors and fire- 
fighting equipment shall apply. 
iii. 
Technical and functional specifications of the skids shall be made available to DPR, 
to ensure consistency and availability of the system.  
iv. 
Relocation of the skids change in layout of the approved site and any other 
modification shall be promptly reported to the Department for concurrence and 
approval. 
3.4.4 Requirements for CNG tanks 
In addition to the requirements for tanks listed in Section 3.4, the following are 
applicable to CNG tanks: 
i. Each cylinder or bulk tank used for the storage of CNG shall be equipped with  
approved pressure relief device and isolation valve, which shall be capable of 
shutting off the pressure relief device. 
ii. Piping and gas storage systems shall be protected against over-pressure by safety 
relief devices.  Relief devices installed to protect the storage systems shall be such 
that it limits the pressure to 120 per cent above the maximum allowable working