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Dry Natural Gas Proved Reserves
(Billion Cubic Feet)
Area: Period:
 Annual 
 Show Data By:
Data Series Area
2012 2013 2014 2015 2016 2017 View
History
Proved Reserves as of Dec. 31
1,408 1,663 1,611 1,362 1,123 1,136 1977-2017
Adjustments
-282 103 -9 -27 -20 14 1977-2017
Revision Increases
43 159 72 15 33 98 1977-2017
Revision Decreases
276 58 46 193 76 27 1977-2017
Sales
0 1 0 0 99 2 2000-2017
Acquisitions
0 1 0 37 0 0 2000-2017
Extensions and Discoveries
        0 0 2016-2017
Extensions
0 132 0 0 -- -- 1977-2017
New Field Discoveries
0 0 0 0 -- -- 1977-2017
New Reservoir Discoveries in Old Fields
0 0 1 0 -- -- 1977-2017
Estimated Production
83 81 70 81 77 70 1977-2017
- = No Data Reported;  -- = Not Applicable;  NA = Not Available;  W = Withheld to avoid disclosure of individual company data.
Notes: Miscellaneous States includes Arizona, Florida (2017-present), 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: 11/28/2018
Next Release Date: 11/29/2019