OIL MARKETS: Texas production accounts for 36% of U.S. output -- EIA Published: Thursday, July 3, 2014 More than a third of U.S. oil now comes from Texas, according to the U.S. Energy Information Administration. Please subscribe to EnergyWire to read the full story. Username: Password: Forgot your access codes? Recover them. Not a subscriber? Sign up for a trial. Ready to subscribe? Click here.