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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
10,573 7,701 8,928 11,453 9,843 6,701 1977-2020
Adjustments
271 121 -108 437 -70 430 1977-2020
Revision Increases
1,194 1,413 553 690 380 392 1977-2020
Revision Decreases
2,265 4,429 541 1,391 2,292 3,420 1977-2020
Sales
442 88 999 504 68 54 2000-2020
Acquisitions
362 77 1,779 1,045 489 103 2000-2020
Extensions and Discoveries
  753 1,217 2,951 696 113 2016-2020
Extensions
433 -- -- -- -- -- 1977-2020
New Field Discoveries
0 -- -- -- -- -- 1977-2020
New Reservoir Discoveries in Old Fields
0 -- -- -- -- -- 1977-2020
Estimated Production
925 719 674 703 745 706 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