Library / 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
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 34 iii. All sources of impressed current rectifiers and other associated devices shall be inspected and tested at quarterly intervals to ensure that they are functioning properly. iv. These inspections shall be carried out in the presence of representatives of the Department. 6.3.7 Monitoring of Internal Corrosion This shall be by the running of intelligent pig or other internal pipeline survey instrument as may be approved by the Department throughout the whole length of the pipeline at least once in five years. This inspection (data gathering) as well as the data interpretation shall be carried out in the presence of representatives of the Department. A report of such inspection shall be lodged with the Department. 6.4 Upgrade of Maximum Operating Pressure of Pipeline Any Licencee that desire to upgrade the maximum operating pressure of its pipeline shall lodge an application with the Department of Petroleum Resources to that effect giving the following information: i. The reason for the desire to operate the system at a lower/higher pressure than its original maximum designed pressure. ii. The maintenance/leak/repair history of the pipeline to be upgraded. iii. The modification that shall be made to the pipeline system to qualify it for upgrading in accordance with the specifications contained in ASME 31.8-2018 iv. The test that will be carried out on the pipeline system after upgrading which shall be compatible with the procedure outlined in Section 3.4.1 of this document in which the upgrade maximum operating pressure will now be pressure parameter to use for the tests. v. Evidence of payment of N 500,000:00 made payable to the Department of Petroleum Resources as processing fees. The grant of approval to carry out the upgrading and operate the upgraded pipeline at the new pressure shall be contingent upon satisfactory fulfilment of the conditions listed in above.
CodesPDF20212021-1040