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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
11,516 9,447 7,057 14,840 24,751 21,982 1977-2019
Adjustments
-272 562 -192 3,696 2,296 -554 1977-2019
Revision Increases
1,979 969 1,596 4,439 4,936 2,739 1977-2019
Revision Decreases
1,178 3,581 1,996 877 1,216 7,341 1977-2019
Sales
842 546 1,800 445 195 456 2000-2019
Acquisitions
614 940 817 1,235 1,282 1,123 2000-2019
Extensions and Discoveries
    82 574 3,800 3,072 2016-2019
Extensions
562 550 -- -- -- -- 1977-2019
New Field Discoveries
0 0 -- -- -- -- 1977-2019
New Reservoir Discoveries in Old Fields
0 0 -- -- -- -- 1977-2019
Estimated Production
1,002 963 897 839 992 1,352 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