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Dry Natural Gas Proved Reserves
(Billion Cubic Feet)
Area: Period:
 Annual 
 Show Data By:
Data Series Area
2013 2014 2015 2016 2017 2018 View
History
Proved Reserves as of Dec. 31
90,349 97,154 78,866 81,224 105,618 126,131 1981-2018
Adjustments
880 72 3,096 1,386 2,509 2,923 1981-2018
Revision Increases
13,412 14,787 8,524 18,087 18,520 12,645 1981-2018
Revision Decreases
12,498 10,387 29,396 16,166 6,293 10,316 1981-2018
Sales
3,423 6,483 4,353 7,308 4,145 4,778 2000-2018
Acquisitions
3,942 8,111 5,618 8,110 10,530 9,237 2000-2018
Extensions and Discoveries
      5,763 10,597 19,116 2016-2018
Extensions
8,108 8,361 6,227 -- -- -- 1981-2018
New Field Discoveries
5 30 0 -- -- -- 1981-2018
New Reservoir Discoveries in Old Fields
606 191 27 -- -- -- 1981-2018
Estimated Production
7,607 7,877 8,031 7,514 7,324 8,314 1981-2018
- = No Data Reported;  -- = Not Applicable;  NA = Not Available;  W = Withheld to avoid disclosure of individual company data.
Notes: W -- Individual state volumes are withheld to avoid disclosure of operator-level reserves data, due to statistical precision requirements, or due to other data quality reasons. The individual state volumes are included in the U.S. Total volume.  See Definitions, Sources, and Notes link above for more information on this table.
Release Date: 12/12/2019
Next Release Date: 11/20/2020