Marathon Builds Out Permian Assets as Maintenance Costs Rise

November 5, 2025--Written by Will Ploch, Assistant Editor-in-Chief for Industrial Info Resources (Sugar Land, Texas)--Marathon Petroleum faced a rough third quarter, as rising inflation and maintenance-related costs largely negated financial benefits from strong refining margins. The company is building out its capacity to gather and process natural gas in the Permian Basin through a series of acquisitions and organic expansion projects.Industrial Info is tracking more than $5.8 billion worth of