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Offshore oil and gas in the United States : ウィキペディア英語版 | Offshore oil and gas in the United States Offshore oil and gas in the United States provides a large portion of the nation’s oil and gas supply. Large oil and gas reservoirs are found under the sea offshore from Louisiana, Texas, California, and Alaska. Environmental concerns have prevented or restricted offshore drilling in some areas, and the issue has been hotly debated at the local and national levels. ==Production==
From 1954 to 2007, federal offshore tracts produced of oil and of natural gas. In 2007, federal offshore tracts produced 27% of the oil and 14% of the natural gas in the United States. Three of the top ten oil fields in the United States in terms of the proven remaining reserves were offshore in the Gulf of Mexico in 2007 (Mars-Ursa, Thunder Horse, and Atlantis).〔US Energy Information Administration, (''U.S. Crude Oil, Natural Gas, and Natural Gas Liquids 2007 Annual Report'' ), p.B-3, PDF file, downloaded 1 June 2009.〕 The oil production in the offshore area owned by the federal government reached in 2007, down from the record of produced in 2002. 2.86 TCF of offshore gas produced in 2007 was down from the high of 5.25 TCF produced in 1996.〔(US Minerals Management Service: ''Federal OCS oil & gas production'' ), PDF file, retrieved 10 February 2009.〕
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Offshore oil and gas in the United States」の詳細全文を読む
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