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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
7,291 6,482 6,890 5,909 5,338 5,372 1981-2017
Adjustments
-429 76 548 -347 213 232 1981-2017
Revision Increases
2,229 1,017 1,299 1,059 910 1,104 1981-2017
Revision Decreases
2,178 789 1,234 1,099 786 657 1981-2017
Sales
511 850 294 235 276 53 2000-2017
Acquisitions
734 363 364 365 117 43 2000-2017
Extensions and Discoveries
        153 200 2016-2017
Extensions
239 175 161 139 -- -- 1981-2017
New Field Discoveries
64 84 378 29 -- -- 1981-2017
New Reservoir Discoveries in Old Fields
48 56 68 29 -- -- 1981-2017
Estimated Production
1,061 941 882 921 902 835 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