View History:  Annual  
Download Data (XLS File)
Oklahoma Shale Proved Reserves Adjustments (Billion Cubic Feet)
Oklahoma Shale Proved Reserves Adjustments (Billion Cubic Feet)
Decade Year-0 Year-1 Year-2 Year-3 Year-4 Year-5 Year-6 Year-7 Year-8 Year-9
  2000's 1
  2010's 713 216 393 -253 1,619 2,455 -389 1,215 -426 1,286
  2020's 2,313 571


- = 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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