"Global oil [production] is 84 million barrels [a day]. I don't believe you can get it any more than 84 million barrels. . . . I think they are on decline in the biggest oil fields in the world today and I know what it’s like once you turn the corner and start declining, it's a treadmill that you just can't keep up with."

T. Boone Pickens, legendary petroleum magnate who co-founded Mesa Petroleum and Petroleum Exploration, May, 2005