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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
13,576 15,283 14,364 13,527 19,365 23,040 1977-2018
Adjustments
-202 555 -61 288 28 -488 1977-2018
Revision Increases
3,407 3,394 1,394 4,443 1,479 1,722 1977-2018
Revision Decreases
2,791 1,979 3,599 5,465 1,046 1,951 1977-2018
Sales
705 15 922 142 4,257 570 2000-2018
Acquisitions
594 62 2,427 361 9,189 1,416 2000-2018
Extensions and Discoveries
      880 1,668 4,933 2016-2018
Extensions
753 860 1,038 -- -- -- 1977-2018
New Field Discoveries
0 1 0 -- -- -- 1977-2018
New Reservoir Discoveries in Old Fields
89 3 1 -- -- -- 1977-2018
Estimated Production
1,155 1,174 1,197 1,202 1,223 1,387 1977-2018
- = 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