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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
86,924 90,349 97,154 78,866 81,224 105,618 1981-2017
Adjustments
104 880 72 3,096 1,386 2,509 1981-2017
Revision Increases
9,246 13,412 14,787 8,524 18,087 18,520 1981-2017
Revision Decreases
25,403 12,498 10,387 29,396 16,166 6,293 1981-2017
Sales
2,774 3,423 6,483 4,353 7,308 4,145 2000-2017
Acquisitions
3,000 3,942 8,111 5,618 8,110 10,530 2000-2017
Extensions and Discoveries
        5,763 10,597 2016-2017
Extensions
11,911 8,108 8,361 6,227 -- -- 1981-2017
New Field Discoveries
58 5 30 0 -- -- 1981-2017
New Reservoir Discoveries in Old Fields
187 606 191 27 -- -- 1981-2017
Estimated Production
7,570 7,607 7,877 8,031 7,514 7,324 1981-2017
- = 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