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Dry Natural Gas Proved Reserves
(Billion Cubic Feet)
Area: Period:
 Annual 
 Show Data By:
Data Series Area
2015 2016 2017 2018 2019 2020 View
History
Proved Reserves as of Dec. 31
55,894 61,841 89,589 103,460 105,917 96,463 1977-2020
Adjustments
3,089 -713 -682 3,820 127 -3,055 1977-2020
Revision Increases
10,899 7,981 13,043 4,377 4,653 1,749 1977-2020
Revision Decreases
23,233 5,803 2,920 14,593 8,920 13,569 1977-2020
Sales
318 1,724 5,566 169 595 2,574 2000-2020
Acquisitions
268 762 7,973 4,609 425 2,806 2000-2020
Extensions and Discoveries
  10,580 21,299 21,949 13,632 12,245 2016-2020
Extensions
10,055 -- -- -- -- -- 1977-2020
New Field Discoveries
0 -- -- -- -- -- 1977-2020
New Reservoir Discoveries in Old Fields
14 -- -- -- -- -- 1977-2020
Estimated Production
4,753 5,136 5,399 6,122 6,865 7,056 1977-2020
- = 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