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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
1,226 1,214 1,269 1,257 1,103 1,252 1977-2016
Adjustments
-30 -2 16 4 13 230 1977-2016
Revision Increases
195 107 168 137 413 161 1977-2016
Revision Decreases
36 36 59 59 486 168 1977-2016
Sales
25 29 36 5 5 2 2000-2016
Acquisitions
41 27 42 6 12 39 2000-2016
Extensions and Discoveries
          8 2016-2016
Extensions
10 16 23 8 0 -- 1977-2016
New Field Discoveries
0 1 0 0 0 -- 1977-2016
New Reservoir Discoveries in Old Fields
1 1 0 0 0 -- 1977-2016
Estimated Production
94 97 99 103 101 119 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