Texas is the top state for U.S. energy production, and it doesn't look like it will be giving up its leadership position any time soon. After playing second fiddle to the booming Eagle Ford Shale, the Permian Basin is about to come into its own oil riches. In this video, Fool.com contributor Aimee Duffy examines the two areas of the play analysts say could produce upwards of 1 million barrels of oil per day, while giving investors three companies that are having a lot of success there right now.