View History:  Annual  
Download Data (XLS File)
Illinois Crude Oil Reserves in Nonproducing Reservoirs (Million Barrels)
Illinois Crude Oil Reserves in Nonproducing Reservoirs (Million Barrels)
Decade Year-0 Year-1 Year-2 Year-3 Year-4 Year-5 Year-6 Year-7 Year-8 Year-9
  1990's NA NA 4 11
  2000's 4 15 0 0 0 0
  2010's W W


- = No Data Reported;  -- = Not Applicable;  NA = Not Available;  W = Withheld to avoid disclosure of individual company data.
Release Date: 12/30/2022
Next Release Date: 12/29/2023

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