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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
3,569 5,420 6,034 6,203 7,030 8,445 1977-2017
Adjustments
-56 -208 -31 74 -261 -144 1977-2017
Revision Increases
924 1,096 861 1,131 1,519 1,431 1977-2017
Revision Decreases
292 640 777 1,164 329 271 1977-2017
Sales
237 13 557 152 224 196 2000-2017
Acquisitions
206 384 322 43 136 2 2000-2017
Extensions and Discoveries
        483 1,161 2016-2017
Extensions
834 1,523 1,161 719 -- -- 1977-2017
New Field Discoveries
16 1 4 0 -- -- 1977-2017
New Reservoir Discoveries in Old Fields
23 10 37 5 -- -- 1977-2017
Estimated Production
230 302 406 487 497 568 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