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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
5,799 5,468 6,394 9,729 13,310 13,146 1977-2019
Adjustments
252 159 255 -42 -95 -1,442 1977-2019
Revision Increases
1,442 663 1,718 1,010 1,310 811 1977-2019
Revision Decreases
805 1,592 1,166 449 1,608 2,490 1977-2019
Sales
15 240 54 161 43 318 2000-2019
Acquisitions
51 272 92 2,117 98 146 2000-2019
Extensions and Discoveries
    667 1,511 4,751 4,201 2016-2019
Extensions
701 934 -- -- -- -- 1977-2019
New Field Discoveries
1 0 -- -- -- -- 1977-2019
New Reservoir Discoveries in Old Fields
3 1 -- -- -- -- 1977-2019
Estimated Production
464 528 586 651 832 1,072 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