View History:  Annual  
Download Data (XLS File)
Montana Shale Proved Reserves (Billion Cubic Feet)
Montana Shale Proved Reserves (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 140 125 137
  2010's 186 192 216 229 482 360


- = No Data Reported;  -- = Not Applicable;  NA = Not Available;  W = Withheld to avoid disclosure of individual company data.
Release Date: 12/14/2016
Next Release Date: 11/30/2017

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