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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
12,104 15,143 26,123 23,759 34,056 27,514 1977-2020
Adjustments
881 208 446 1,176 -654 -2,944 1977-2020
Revision Increases
2,364 3,057 7,395 2,730 7,863 2,482 1977-2020
Revision Decreases
1,557 2,566 1,980 9,071 4,005 7,130 1977-2020
Sales
1,407 261 1,261 4,273 16 50 2000-2020
Acquisitions
1,326 0 2,821 7,029 8,020 2,544 2000-2020
Extensions and Discoveries
  3,964 5,293 2,363 1,647 869 2016-2020
Extensions
3,231 -- -- -- -- -- 1977-2020
New Field Discoveries
0 -- -- -- -- -- 1977-2020
New Reservoir Discoveries in Old Fields
1,488 -- -- -- -- -- 1977-2020
Estimated Production
945 1,363 1,734 2,318 2,558 2,313 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: 1/13/2022
Next Release Date: 12/30/2022