Pennsylvania produced approximately 7.5 trillion cubic feet of natural gas in 2022 and around 395,000 barrels of oil per month as of late 2023. Top operators are EQT Corp., Range Resources, Cabot Oil & Gas, Chesapeake Energy, and Antero Resources. Major pipelines include the Mariner East Pipeline, Atlantic Sunrise Pipeline, Constitution Pipeline, Mountain Valley Pipeline, and PennEast Pipeline.