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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
6,890 5,909 5,338 5,372 5,442 4,935 1981-2019
Adjustments
548 -347 213 232 130 133 1981-2019
Revision Increases
1,299 1,059 910 1,104 826 672 1981-2019
Revision Decreases
1,234 1,099 786 657 363 278 1981-2019
Sales
294 235 276 53 176 1,108 2000-2019
Acquisitions
364 365 117 43 228 583 2000-2019
Extensions and Discoveries
    153 200 207 295 2016-2019
Extensions
161 139 -- -- -- -- 1981-2019
New Field Discoveries
378 29 -- -- -- -- 1981-2019
New Reservoir Discoveries in Old Fields
68 29 -- -- -- -- 1981-2019
Estimated Production
882 921 902 835 782 804 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