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Dry Natural Gas Proved Reserves
(Billion Cubic Feet)
Area: Period:
 Annual 
 Show Data By:
Data Series Area
2014 2015 2016 2017 2018 2019 View
History
Proved Reserves as of Dec. 31
2,107 1,832 1,340 1,560 1,451 1,280 1977-2019
Adjustments
34 342 -277 84 -49 -85 1977-2019
Revision Increases
612 83 144 314 129 194 1977-2019
Revision Decreases
241 595 200 115 104 240 1977-2019
Sales
1,155 1 35 15 16 2 2000-2019
Acquisitions
1,144 12 0 16 15 1 2000-2019
Extensions and Discoveries
    33 75 39 84 2016-2019
Extensions
0 84 -- -- -- -- 1977-2019
New Field Discoveries
0 0 -- -- -- -- 1977-2019
New Reservoir Discoveries in Old Fields
2 0 -- -- -- -- 1977-2019
Estimated Production
176 200 157 139 123 123 1977-2019
- = 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: 1/11/2021
Next Release Date: 12/20/2021