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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
222 179 176 123 112 163 1977-2017
Adjustments
-111 -7 -1 1 2 97 1977-2017
Revision Increases
19 25 5 27 10 13 1977-2017
Revision Decreases
44 54 8 75 8 9 1977-2017
Sales
14 0 4 0 2 44 2000-2017
Acquisitions
0 0 0 0 0 3 2000-2017
Extensions and Discoveries
        0 0 2016-2017
Extensions
5 5 0 3 -- -- 1977-2017
New Field Discoveries
0 0 16 0 -- -- 1977-2017
New Reservoir Discoveries in Old Fields
2 0 0 0 -- -- 1977-2017
Estimated Production
14 12 11 9 13 9 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