January 2012, Vol. 239 No. 1


Contrasting Welding Techniques Used On Pipelines And Refinery Piping: Uphill Versus Downhill

When one looks on a huge oil and gas installation like a refinery spread across many acres and representing millions of dollars on equipment and infrastructure investment, one does not see the raw crude oil injected into the refinery for the refining process. This is because the crude oil is transported through an underground pipeline. The pump station which pumps oil into the pipeline is also located far away from the refinery. But the underground pipeline and the aboveground refinery are there for one purpose. That is to provide refined oil and other products to the public. The pipeline is for transporting the crude oil and the refinery is for refining this crude oil. It is i

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