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Dry Natural Gas Proved Reserves
(Billion Cubic Feet)
Area: Period:
 Annual 
 Show Data By:
Data Series Area
2011 2012 2013 2014 2015 2016 View
History
Proved Reserves as of Dec. 31
860 607 595 558 480 357 1977-2016
Adjustments
109 65 29 -15 50 -40 1977-2016
Revision Increases
105 91 39 82 47 30 1977-2016
Revision Decreases
156 300 75 29 129 55 1977-2016
Sales
11 159 39 115 95 10 2000-2016
Acquisitions
10 109 90 82 104 0 2000-2016
Extensions and Discoveries
          0 2016-2016
Extensions
24 4 5 9 3 -- 1977-2016
New Field Discoveries
1 1 0 1 0 -- 1977-2016
New Reservoir Discoveries in Old Fields
0 0 0 2 0 -- 1977-2016
Estimated Production
75 64 61 54 58 48 1977-2016
- = No Data Reported;  -- = Not Applicable;  NA = Not Available;  W = Withheld to avoid disclosure of individual company data.
Notes: Miscellaneous States includes Arizona, Idaho, Illinois, Indiana, Maryland, Missouri, Nebraska, Nevada, Oregon, South Dakota, and Tennessee. Estimated Dry Natural Gas is calculated from Total Natural Gas Proved Reserves.  See Definitions, Sources, and Notes link above for more information on this table.
Release Date: 2/13/2018
Next Release Date: 10/31/2018