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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
1,397 1,148 776 539 615 446 1981-2019
Adjustments
100 -33 -250 11 50 113 1981-2019
Revision Increases
983 310 248 131 110 66 1981-2019
Revision Decreases
990 412 174 161 58 19 1981-2019
Sales
36 9 15 80 0 159 2000-2019
Acquisitions
67 81 0 0 0 27 2000-2019
Extensions and Discoveries
    20 2 110 2 2016-2019
Extensions
43 36 -- -- -- -- 1981-2019
New Field Discoveries
0 0 -- -- -- -- 1981-2019
New Reservoir Discoveries in Old Fields
26 29 -- -- -- -- 1981-2019
Estimated Production
246 251 201 140 136 199 1981-2019
- = 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