According to the Railroad Commission of Texas (RRC), in 2013, 32 companies were recorded to be the top producers of oil in the State of Texas. The top performer was EOG Resources, Inc. whose production accounted for 9.017% of the state’s total production. In a year, they were able to produce 63,402,417 barrels of oil. Their average daily output was around 173,705 barrels.

Comprising the top 10 producers are Occidental Permian Ltd in second place with an annual production of 5.886% of the state’s total oil production or 41,383,449 barrels. Also included are Chesapeake Operating, Inc. (5.594%) with 39,331,634; Apache Corporation (3.908%) with 27,480.809; Pioneer Natural Res. USA, Inc. (3.858%) with 27,128,503; Burlington Resources O&G Co LP (3.396%) with 23,879,748; Marathon Oil EF LLC (3.201) with 22,506,864; Kinder Morgan Production Co LLC (2.870%) with 20,176,240; XTO Energy Inc (2.598%) with 18,269,605; and Murphy Expl. & Prod. Co – USA (2.276%) with 16,001,541.

Capping off the list is Comstock Oil & Gas, LP whose production accounts for .628% of the state’s total production or 4,414,819 barrels of oil a year. On the average, they produced 12,095 barrels of oil a day. The top 32 producers make up 66.884% of the total oil production in the state of Texas. The average barrels of oil produced was 470,270,648 with a daily average of 1,288,413 barrels of oil.