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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
97,154 78,866 81,224 105,618 126,131 113,736 1981-2019
Adjustments
72 3,096 1,386 2,509 2,923 -3,817 1981-2019
Revision Increases
14,787 8,524 18,087 18,520 12,645 9,140 1981-2019
Revision Decreases
10,387 29,396 16,166 6,293 10,316 24,210 1981-2019
Sales
6,483 4,353 7,308 4,145 4,778 4,591 2000-2019
Acquisitions
8,111 5,618 8,110 10,530 9,237 6,396 2000-2019
Extensions and Discoveries
    5,763 10,597 19,116 13,904 2016-2019
Extensions
8,361 6,227 -- -- -- -- 1981-2019
New Field Discoveries
30 0 -- -- -- -- 1981-2019
New Reservoir Discoveries in Old Fields
191 27 -- -- -- -- 1981-2019
Estimated Production
7,877 8,031 7,514 7,324 8,314 9,217 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