View History:  Annual  
Download Data (XLS File)
Illinois Crude Oil Reserves Revision Increases (Million Barrels)
Illinois Crude Oil Reserves Revision Increases (Million Barrels)
Decade Year-0 Year-1 Year-2 Year-3 Year-4 Year-5 Year-6 Year-7 Year-8 Year-9
  1970's 12 26 20
  1980's 18 15 27 23 27 17 7 8 6 7
  1990's 9 8 6 5 8 6 11 24 56 24
  2000's 6 3 17 11 11 3 6 10 2 12
  2010's 0 6 7


- = No Data Reported;  -- = Not Applicable;  NA = Not Available;  W = Withheld to avoid disclosure of individual company data.
Release Date: 1/30/2015
Next Release Date: 1/29/2016

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