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Dry Natural Gas Proved Reserves
(Billion Cubic Feet)
Area: Period:
 Annual 
 Show Data By:
Data Series Area
2013 2014 2015 2016 2017 2018 View
History
Proved Reserves as of Dec. 31
2,373 2,800 2,496 2,447 2,741 2,554 1982-2018
Adjustments
-9 89 -24 12 -15 -8 1982-2018
Revision Increases
137 286 1 184 457 46 1982-2018
Revision Decreases
271 167 183 120 31 168 1982-2018
Sales
1 573 1,036 3 3 90 2000-2018
Acquisitions
0 722 1,036 0 0 87 2000-2018
Extensions and Discoveries
      0 1 57 2016-2018
Extensions
80 215 32 -- -- -- 1982-2018
New Field Discoveries
0 0 0 -- -- -- 1982-2018
New Reservoir Discoveries in Old Fields
0 0 0 -- -- -- 1982-2018
Estimated Production
142 145 130 122 115 111 1982-2018
- = 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: 12/12/2019
Next Release Date: 11/20/2020