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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  
 
iii 
5.2 
Design Criteria .......................................................................................................... 29 
6. OPERATION AND MAINTENANCE OF OIL AND GAS PIPELINES. ..................................... 30 
6.1 
Renewal of OPLL ...................................................................................................... 30 
6.2 
Renewal of Licence to Operate for Pipelines ......................................................... 30 
6.2.1 
Annual Audit ...................................................................................................... 30 
6.3 
Safety and Maintenance of Pipelines during Operations ...................................... 31 
6.3.1 
General ................................................................................................................ 31 
6.3.2 
Pipeline Route .................................................................................................... 32 
6.3.3 
Offshore Pipelines .............................................................................................. 32 
6.3.4 
Gas Pipelines....................................................................................................... 33 
6.3.5 
FLR Operation & Maintenance ........................................................................... 33 
6.3.6 
Monitoring of Cathodic Protection Systems ..................................................... 33 
6.3.7 
Monitoring of Internal Corrosion ....................................................................... 34 
6.4 
Upgrade of Maximum Operating Pressure of Pipeline .......................................... 34 
6.5 
Change Of Substance Transmitted by The Pipeline ............................................... 35 
6.6 
Accident Reporting .................................................................................................. 35 
7. DECOMMISSIONING AND RESUMPTION OF OPERATION FOR PIPELINE SYSTEMS ..... 36 
7.1 
Decommissioning of Operation of Pipeline Systems ............................................. 36 
7.1.1 
Procedure for Decommissioning of Operations ................................................ 36 
7.2 
Abandonment and Removal of Pipelines ............................................................... 36 
7.3 
Resumption of Operation on Decommissioned Pipeline....................................... 37 
8. NON-COMPLIANCE ............................................................................................................. 37 
9. APPENDICES ........................................................................................................................ 37 
9.1 
Appendix 1 - Summary of Fees for Pipeline Licence Process ................................. 37 
9.2 
Appendix 2- Summary of Penalties for Non- Compliance ...................................... 38 
9.3 
Appendix 3- Summary of Process Time Frames and Responsibilities ................... 39 
9.4 
Appendix 4: Statutory Compliance Checklist ........................................................ 40 
10. GLOSSARY .......................................................................................................................... 41