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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
1,690 1,490 1,025 1,273 1,141 1,018 1977-2019
Adjustments
10 352 -344 129 -65 -39 1977-2019
Revision Increases
579 55 111 262 86 140 1977-2019
Revision Decreases
200 511 121 90 87 196 1977-2019
Sales
1,083 1 15 0 2 1 2000-2019
Acquisitions
1,074 12 0 0 11 0 2000-2019
Extensions and Discoveries
    30 69 33 76 2016-2019
Extensions
0 69 -- -- -- -- 1977-2019
New Field Discoveries
0 0 -- -- -- -- 1977-2019
New Reservoir Discoveries in Old Fields
0 0 -- -- -- -- 1977-2019
Estimated Production
150 176 126 122 108 103 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