View History:  Annual  
Download Data (XLS File)
Oklahoma Crude Oil Reserves Extensions (Million Barrels)
Oklahoma Crude Oil Reserves Extensions (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 29 32 30
  1980's 42 60 43 44 55 56 48 26 32 18
  1990's 9 10 10 19 17 11 11 15 16 6
  2000's 15 13 23 26 15 22 10 25 29 18
  2010's 98 263 226 203


- = No Data Reported;  -- = Not Applicable;  NA = Not Available;  W = Withheld to avoid disclosure of individual company data.
Release Date: 12/4/2014
Next Release Date: 12/31/2015

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