EOG Resources, Inc., together with its subsidiaries, engages in the exploration, development, production, and marketing of natural gas and crude oil primarily in the United States, Canada, the Republic of Trinidad and Tobago, the United Kingdom, and the People's Republic of China. As of December 31, 2010, its total estimated net proved reserves were 1,950 million barrels of oil equivalent (MMBoe), of which 386 million barrels (MMBbl) were crude oil and condensate reserves, and 152 MMBbl were natural gas liquids reserves; and 8,470 billion cubic feet (Bcf) or 1,412 MMBoe were natural gas reserves. The company held approximately 520,000 net acres in the mature oil window of the Eagle Ford Shale Play near San Antonio, Texas. EOG Resources, Inc. was founded in 1985 and is based in Houston, Texas.