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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
11,057 8,570 14,503 17,429 18,205 15,779 1977-2019
Adjustments
82 1,170 -87 141 -619 -434 1977-2019
Revision Increases
1,496 748 7,413 2,792 649 112 1977-2019
Revision Decreases
786 4,720 1,214 396 1,139 2,418 1977-2019
Sales
505 1,293 486 799 130 185 2000-2019
Acquisitions
1,148 1,524 434 1,668 11 114 2000-2019
Extensions and Discoveries
    947 572 3,033 1,401 2016-2019
Extensions
843 1,095 -- -- -- -- 1977-2019
New Field Discoveries
2 0 -- -- -- -- 1977-2019
New Reservoir Discoveries in Old Fields
19 0 -- -- -- -- 1977-2019
Estimated Production
882 1,011 1,074 1,052 1,029 1,016 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