Back in 2015, MarkWest Energy, one of the premier midstream companies in the Utica that built and operated numerous gas processing plants and pipeline systems, sold itself to Marathon Petroleum (see MarkWest Energy Investors/Unitholders Approve Merger with Marathon). The pipeline subsidiary of Marathon that includes MarkWest is called MPLX. On Monday MPLX released its third-quarter 2020 update showing the Marcellus/Utica region continues to lift the company economically.
