Cornerstone Liquids Pipeline Set to Begin Construction in E Ohio

The Cornerstone Pipeline, announced at the end of 2013, is a 50-mile liquids pipeline being built by Marathon Petroleum from the MarkWest cryogenic processing plant in Cadiz (Harrison County), OH northwest connecting to M3’s fractionator plant in Scio (also in Harrison County) and M3’s cryogenic processing plant in Leesville (Carroll County) before terminating and connecting to Marathon’s refinery in Canton, OH (see Marathon Petroleum’s Newly Announced “Cornerstone” Utica Pipeline). The pipeline will carry, at various times, crude oil, condensate and natural gasoline. Last fall Price Gregory, the company hired to build the Cornerstone, advertised for 400 workers (see Price Gregory Hiring 400 People in OH to Build Cornerstone Pipeline). Seems like it’s taken a long time, but construction of the pipeline is set to begin “in the next several weeks”…

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