Exxon Mobil stopped its production by about 1,000 barrels of oil and 55,000 ftÂ ( 1,500 mÂ ) . With 27.7 % of the daily crude oil production stopped because of the depression , oil prices rose higher after days of increasing levels , and on September 20 reached a record rate of over $ 84 per barrel . Exxon Mobil cut its output by about 1,000 barrels of oil and 55000 f. With 27.7 % of the daily crude oil production halted due to the depression , oil prices rose further after days of increasing levels , and on September 20 reached a record rate of over $ 84 per barrel .