Cornerstone Pipeline Slightly Delayed, Construction Begins in May

In the middle of March MDN brought you the news that Marathon Petroleum was saying they would begin construction on the Cornerstone Pipeline “in the next several weeks”–meaning by the beginning of April (see Cornerstone Liquids Pipeline Set to Begin Construction in E Ohio). The timeline has been moved back a month. Marathon officials are now saying construction won’t begin until May. Cornerstone is a $250 million, 50-mile liquids pipeline being built by Marathon from the MarkWest cryogenic processing plant in Cadiz (Harrison County, now owned by Marathon), 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. No reason was given for the delay…

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