View History:  Annual  
Download Data (XLS File)
Wyoming Crude Oil Reserves Revision Decreases (Million Barrels)
Wyoming Crude Oil Reserves Revision Decreases (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 36 50 30
  1980's 46 27 52 53 70 44 152 162 48 55
  1990's 51 36 42 43 79 34 24 28 98 45
  2000's 34 71 22 36 23 17 51 34 115 21
  2010's 45 47 35 59 80 310 101 9 86 97
  2020's 267 38


- = 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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