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Dry Natural Gas Proved Reserves
(Billion Cubic Feet)
Area: Period:
 Annual 
 Show Data By:
Data Series Area
2015 2016 2017 2018 2019 2020 View
History
Proved Reserves as of Dec. 31
8,339 7,416 8,267 6,740 5,834 4,981 1977-2020
Adjustments
288 112 -64 -257 36 87 1977-2020
Revision Increases
231 268 869 82 77 143 1977-2020
Revision Decreases
4,279 534 118 193 551 598 1977-2020
Sales
188 9 8 5,848 195 0 2000-2020
Acquisitions
269 0 0 5,276 262 0 2000-2020
Extensions and Discoveries
  63 869 7 0 0 2016-2020
Extensions
242 -- -- -- -- -- 1977-2020
New Field Discoveries
0 -- -- -- -- -- 1977-2020
New Reservoir Discoveries in Old Fields
2 -- -- -- -- -- 1977-2020
Estimated Production
1,015 823 697 594 535 485 1977-2020
- = 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