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Applicable to all Oil & Gas Operators GUIDELINES FOR THE DESIGN, CONSTRUCTION, OPERATION AND MAINTENANCE OF OIL AND GAS PIPELINE SYSTEMS IN NIGERIA Code: DPR Guide 0027 – 2021

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Applicable to all Oil & Gas Operators  
GUIDELINES FOR THE DESIGN, CONSTRUCTION, OPERATION AND 
MAINTENANCE OF OIL AND GAS PIPELINE SYSTEMS IN NIGERIA  
Code: DPR Guide 0027 – 2021 
 
Effective Date: 14th October 2021 
 
This is a property of the Department of Petroleum Resources. All rights reserved  
 
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vi. 
A copy of the major engineering, & Technical Safety Control (TSC) reviews 
conducted within the detailed design phase. 
vii. 
A copy of the pipeline construction plan inclusive of WPS / PQR 
viii. 
A copy of the technical data sheets for pipeline fittings / accessories 
ix. 
A copy of the hydraulic chart as well as velocity profile for the proposed pipeline 
system. 
x. 
A copy of the approved manufacturing Inspection plan for fabrication of line 
pipes/ coating, as well as pipeline fittings / accessories.  
xi. 
A copy of the stress / fatigue analysis of the pipeline system. 
xii. 
A copy of blow-down and de-pressurization plan for the pipeline system. 
xiii. 
Evidence of Payment of N 500,000:00 made payable to the Department of 
Petroleum Resources as processing fee.  
xiv. 
Remote monitoring system (for leak detection and surveillance) for the pipeline 
xv. 
A copy of Provisional EIA approval for pipeline applications of 20km and above. 
For pipeline system less than 20km, a copy of the environmental management 
plan shall be submitted.  
xvi. 
A copy of the Design Safety Case Approval 
xvii. 
Reliability, Availability, Maintainability and Safety (RAMS) analysis  
xviii. 
A copy of the proposed pipeline de-commissioning plan  
2.6.2 Approval for Detailed Engineering  
For the review of Detailed Engineering package for a Pipeline, joint review workshop shall 
be required. For such workshops, the proponent shall be required to make technical 
presentations on all design considerations for the pipeline. The Department of Petroleum 
Resources shall convey approval of detailed design for the proposed pipeline development 
project at least four (4) weeks from the date of the receipt of complete detailed design 
approval dossier. Where such approval cannot be granted, the Department shall notify the 
company not more than six (6) weeks from the date of receipt of application why such 
approval has not been granted. 
2.6.3 Summary Technical and Safety Studies for Pipeline Design  
The Department shall participate in all technical studies for the concept, design, and 
construction of the pipeline. The company shall comply with the Guidelines for