Construction of the Trans-Alaska Pipeline System with the Denali Fault, a major cause of earthquakes, and with large amounts of permafrost. In 1969, the unincorporated Trans-Alaska Pipeline System group drilled a series of core samples north of the Brooks Range that demonstrated how ubiquitous the permafrost was along the route. This forced the design of an elevated pipeline, which was tested in a loop built near Barrow. This elevation required the pipeline to be insulated, since extreme cold temperatures caused the metal to become brittle, even when hot oil was being pumped through the pipeline. After ecological objections forced subterranean pipeline crossings (in order to allow
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