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U.S. ENERGY INFORMATION ADMINISTRATION
WASHINGTON DC 20585

FOR IMMEDIATE RELEASE
OCTOBER 4, 2005

U.S. Natural Gas Proved Reserves Up in 2004
 While U.S. Crude Oil Proved Reserves Continue To Decline

Proved reserves of natural gas increased by 2 percent in 2004, making it the sixth year in a row U.S. gas reserves have increased according to the Advance Summary: U.S. Crude Oil, Natural Gas, and Natural Gas Liquids Reserves 2004 Annual Report released today by EIA. The U.S. total went up even though Gulf of Mexico natural gas proved reserves dropped an unusually large 15 percent primarily due to low new discoveries. Nevertheless because onshore lower 48 States reserves additions were over 21 trillion cubic feet, total U.S. reserves additions replaced 118 percent of 2004 dry gas production.

Crude oil proved reserves declined by 2 percent in 2004 owing mostly to a large 9 percent decrease in the Gulf of Mexico. Boosted by reserves additions in Wyoming, Montana, North Dakota, and Texas, the crude oil proved reserves of the onshore lower 48 States increased by 0.1 percent. However, three of the four largest crude oil reserves areas, the Gulf of Mexico, Alaska, and California, registered  reserves declines. U.S. new field discoveries were the lowest in 12 years and as a result operators only replaced 71 percent of crude oil production with reserves additions.

Natural gas liquids proved reserves grew by 6 percent in 2004, rebounding from their 2003 decline.

Advance Summary: U.S. Crude Oil, Natural Gas, and Natural Gas Liquids Reserves 2004 Annual Report is available   on the EIA Internet site at:  http://www.eia.doe.gov/oil_gas/fwd/adsum2004.html

The report described in this press release was prepared by the Energy Information Administration, the independent statistical and analytical agency within the U.S. Department of Energy. The information contained in the report and the press release should be attributed to the Energy Information Administration and should not be construed as advocating or reflecting any policy position of the Department of Energy or any other organization .

EIA Program Contact: John Wood, 214/720-6150

EIA Press Contact: National Energy Information Center, 202/586-8800, infoctr@eia.doe.gov

EIA-2005-10

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