W&T Offshore, Inc., an independent oil and natural gas producer, engages in the acquisition, exploration, and development of oil and natural gas properties in the Gulf of Mexico. The company sells crude oil, natural gas liquids, and natural gas. It holds working interests in approximately 48 offshore fields in federal and state waters. The company also owns interests in approximately 123 offshore structures. It has interests in offshore leases covering approximately 390,000 net acres spanning across the Outer Continental Shelf off the coasts of Louisiana, Texas, Mississippi, and Alabama. As of December 31, 2018, its total proved reserves were 84.0 million barrels of oil equivalent. The company was founded in 1983 and is headquartered in Houston, Texas.