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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
2,943 2,787 2,290 1,487 1,672 1,860 1977-2017
Adjustments
666 -162 -170 38 -49 -82 1977-2017
Revision Increases
41 405 203 48 142 287 1977-2017
Revision Decreases
983 223 355 747 135 50 1977-2017
Sales
142 18 2 353 31 3 2000-2017
Acquisitions
116 15 0 348 391 165 2000-2017
Extensions and Discoveries
        2 0 2016-2017
Extensions
205 2 8 25 -- -- 1977-2017
New Field Discoveries
0 0 0 0 -- -- 1977-2017
New Reservoir Discoveries in Old Fields
0 53 0 0 -- -- 1977-2017
Estimated Production
265 228 181 162 135 129 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