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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
368,704 307,730 322,234 438,460 474,821 465,405 1925-2019
Adjustments
2,256 9,998 5,652 17,680 7,438 -10,055 1977-2019
Revision Increases
52,163 36,917 53,512 69,071 38,843 49,583 1977-2019
Revision Decreases
51,463 114,179 53,686 29,624 65,495 82,187 1977-2019
Sales
20,373 14,016 18,411 23,718 23,817 17,198 2000-2019
Acquisitions
26,675 15,231 18,797 44,738 36,719 32,894 2000-2019
Extensions and Discoveries
    36,198 66,713 74,661 52,543 2016-2019
Extensions
44,599 31,233 -- -- -- -- 1977-2019
New Field Discoveries
632 29 -- -- -- -- 1977-2019
New Reservoir Discoveries in Old Fields
2,562 1,631 -- -- -- -- 1977-2019
Estimated Production
26,611 27,818 27,558 28,634 31,988 34,996 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