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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
20,164 22,975 16,097 17,816 36,119 34,127 1981-2018
Adjustments
-42 487 -1,675 1,081 7,535 -1,229 1981-2018
Revision Increases
2,951 2,762 3,094 3,828 7,711 3,741 1981-2018
Revision Decreases
3,787 3,389 6,591 6,272 3,205 7,175 1981-2018
Sales
1,049 2,478 1,649 596 414 2,279 2000-2018
Acquisitions
1,425 4,523 476 3,415 3,115 1,577 2000-2018
Extensions and Discoveries
      2,003 5,778 6,165 2016-2018
Extensions
1,023 2,740 1,241 -- -- -- 1981-2018
New Field Discoveries
17 57 0 -- -- -- 1981-2018
New Reservoir Discoveries in Old Fields
21 69 33 -- -- -- 1981-2018
Estimated Production
2,344 1,960 1,807 1,740 2,217 2,792 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