Source:
Energy Information AdministrationSunday, November 25, 2007
U.S. oil production down 5%, reserves declined 4% in 2006; natural gas reserves and production up According to an advance report <*.pdf> by the Energy Information Administration (EIA) of the U.S. Department of Energy, crude oil production declined 5 percent in 2006 whereas proved reserves were down by 4 percent in 2006. The U.S. is the third largest oil producer after Saudi Arabia and Russia. U.S. natural gas proved reserves on the contrary increased 3 percent in 2006, rising to over 211 trillion cubic feet, the highest level since 1976. Additions to reserves replaced 136 percent of the dry natural gas produced in 2006. This was the eighth year in a row that U.S. natural gas proved reserves have increased.
According to the report, the Gulf of Mexico Federal Offshore and Alaska, two of the largest U.S. oil-producing areas, reported 10 and 7 percent declines in crude oil proved reserves. This was due to downward revisions and fewer new discoveries. Utah reported the largest increase in crude oil reserves, adding 78 million barrels (a 30 percent increase from 2005), followed by Colorado and New Mexico.
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http://biopact.com/2007/11/us-oil-production-down-5-reserves.html