美國的「戰備儲油」到底有多少桶？儲存在哪裡？

美國政府的戰備儲油（Strategic Petroleum Reserve）能量有七億兩千七百萬桶﹐法定戰備儲油標準是七億桶﹐但這個儲油量會隨著政府政策而改變﹐它們儲藏在沿墨西哥灣的四個地下儲油槽中
這些戰備儲油的平均價格是每桶27元美金左右
以下是四個油槽的英文介紹

http://en.wikipedia.org/wiki/Strategic_Petroleum_ Reserve

Bryan Mound - located near Freeport, Texas. Has a capacity of 226 million barrels (36,000,000 m³).

Big Hill - located near Winnie, Texas. Has a capacity of 160 million barrels (25,000,000 m³).

West Hackberry - located near Lake Charles, Louisiana. Has a capacity of 219 million barrels (35,000,000 m³).

Bayou Choctaw - located near Baton Rouge, Louisiana. Has a capacity of 72 million barrels (11,000,000 m³).

位置圖

上述這四個儲油槽都是利用位於地下一千公尺左右的岩穴來存放﹐可以防範各種空中攻擊