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Dry Natural Gas Proved Reserves
(Billion Cubic Feet)
Area: Period:
 Annual 
 Show Data By:
Data Series Area
2016 2017 2018 2019 2020 2021 View
History
Proved Reserves as of Dec. 31
7,701 8,928 11,453 9,843 6,701 9,972 1977-2021
Adjustments
121 -108 437 -70 430 238 1977-2021
Revision Increases
1,413 553 690 380 392 3,339 1977-2021
Revision Decreases
4,429 541 1,391 2,292 3,420 705 1977-2021
Divestitures
88 999 504 68 54 48 2000-2021
Acquisitions
77 1,779 1,045 489 103 530 2000-2021
Extensions and Discoveries
753 1,217 2,951 696 113 581 2016-2021
Extensions
-- -- -- -- -- -- 1977-2021
New Field Discoveries
-- -- -- -- -- -- 1977-2021
New Reservoir Discoveries in Old Fields
-- -- -- -- -- -- 1977-2021
Estimated Production
719 674 703 745 706 664 1977-2021
- = 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: 12/30/2022
Next Release Date: 12/29/2023