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Marathon Petroleum’s Newly Announced “Cornerstone” Utica Pipeline | Marcellus Drilling News
Another new pipeline is on the way in the Utica Shale. This one will be built by Marathon Petroleum Corporation, the largest refiner in the Utica Shale region. The Cornerstone pipeline, as they're calling it, will stretch nearly 50 miles from the MarkWest cryogenic processing plant in Cadiz, OH northwest connecting to M3's fractionator plant