View History:  Annual  
Download Data (XLS File)
Montana Dry Natural Gas Reserves Adjustments (Billion Cubic Feet)
Montana Dry Natural Gas 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
  1970's 1 -91 -74
  1980's 573 30 -448 75 -74 56 -61 -25 83 -106
  1990's 29 -27 58 -154 142 -4 16 33 -12 42
  2000's 13 51 58 -28 -56 3 13 9 -3 135
  2010's -19 -59 38


- = No Data Reported;  -- = Not Applicable;  NA = Not Available;  W = Withheld to avoid disclosure of individual company data.
Release Date: 4/10/2014
Next Release Date: 4/30/2015

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