View History:  Annual  
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Montana Nonassociated Natural Gas, Wet After Lease Separation, Proved Reserves (Billion Cubic Feet)
Montana Nonassociated Natural Gas, Wet After Lease Separation, 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
  1970's 786
  1980's 1,186 1,247 789 813 748 793 725 704 733 821
  1990's 834 782 814 631 672 739 755 727 737 784
  2000's 822 822 820 956 872 837 874 848 817 681
  2010's 657 522 327 286


- = 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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