Ranger Oil Corporation, an independent oil and gas company, engages in the onshore exploration, development, and production of crude oil, natural gas liquids, and natural gas in the United States. It engages in drilling unconventional horizontal development wells; and operates producing wells in the Eagle Ford Shale field in South Texas. As of December 31, 2021, it had total proved reserves of approximately 241 million barrels of oil equivalent; and 860 gross productive wells, as well as leased approximately 172,000 gross acres of leasehold and royalty interests. The company was formerly known as Penn Virginia Corporation and changed its name to Ranger Oil Corporation in October 2021. Ranger Oil Corporation was incorporated in 1882 and is headquartered in Houston, Texas.