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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
36,348 49,674 59,873 55,894 61,841 89,589 1977-2017
Adjustments
-240 664 1,266 3,089 -713 -682 1977-2017
Revision Increases
5,466 7,166 8,633 10,899 7,981 13,043 1977-2017
Revision Decreases
6,393 7,128 7,453 23,233 5,803 2,920 1977-2017
Sales
4 103 504 318 1,724 5,566 2000-2017
Acquisitions
12 351 1,295 268 762 7,973 2000-2017
Extensions and Discoveries
        10,580 21,299 2016-2017
Extensions
12,805 15,544 11,146 10,055 -- -- 1977-2017
New Field Discoveries
414 36 7 0 -- -- 1977-2017
New Reservoir Discoveries in Old Fields
0 79 6 14 -- -- 1977-2017
Estimated Production
2,241 3,283 4,197 4,753 5,136 5,399 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