EOG Resources, Inc., together with its subsidiaries, explores for, develops, produces, and markets crude oil, and natural gas and natural gas liquids. The company's principal producing areas are located in New Mexico, North Dakota, Texas, and Wyoming in the United States; and the Republic of Trinidad and Tobago, the People's Republic of China, and Canada. As of December 31, 2019, it had total estimated net proved reserves of 3,329 million barrels of oil equivalent, including 1,694 million barrels (MMBbl) crude oil and condensate reserves; 740 MMBbl of natural gas liquid reserves; and 5,370 billion cubic feet of natural gas reserves. The company was formerly known as Enron Oil & Gas Company. EOG Resources, Inc. was founded in 1985 and is headquartered in Houston, Texas.