The Colorado Oil and Gas Commission says the state produced nearly 48 million barrels of oil in 2012, an amount not seen in decades.
Anadarko Petroleum Corp. says it is producing more than 100,000 barrels of oil equivalent per day in the Wattenberg Field in northeast Colorado.
Wattenburg in Colorado is part of a massive expansion of oil production in the lower 48 states, resulting in a change in exports.
Energy development is increasing near the North Platte River from Colorado to Wyoming and sportsmen are worried it will hurt some of the most-pristine fishing areas in the region.
Colorado Congresswoman Rep. Diana DeGette says federal regulation of a new drilling technique that uses fluid pressure to break open shale in the ground needs to be more strict.
A Denver-based energy company is expanding its oil and gas holdings in northern Colorado and Wyoming.