Pipeline transport in order to avoid melting the frozen ground by hot petroleum which would result in sinking the pipeline in the ground. Maintenance of pipelines includes checking cathodic protection levels for the proper range, surveillance for construction, erosion, or leaks by foot, land vehicle, boat, or air, and running cleaning pigs, when there is anything carried in the pipeline that is corrosive. US pipeline maintenance rules are covered in Code of Federal Regulations(CFR) sections, 49 CFR 192 for natural gas pipelines, and 49 CFR 195 for petroleum liquid pipelines. In the US, onshore and offshore pipelines used to transport oil and
Escravos–Lagos Pipeline System Warri Gas Treatment Plant to Egbin tee at PS4 near Lagos is 36 inches. The diameter of the section from Escravos to Warri and from Egbin Tee to Alagbado Tee at PS5 is 24 inches. The capacity of the pipeline is 800 MMsfd do not meet expected gas consumption demand. By 24 inches tee in Itoki: By tee to Oben - Geregu pipeline ELPS can supply also Geregu I and II power stations and Ajaokuta steel mills ELPS carry also a volume of 170MMscfd for West African Gas Pipeline. Escravos–Lagos Pipeline System The Escravos–Lagos Pipeline System (ELPS) is a natural