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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
3,161 6,723 12,104 15,143 26,123 23,759 1977-2018
Adjustments
-328 -426 881 208 446 1,176 1977-2018
Revision Increases
530 1,548 2,364 3,057 7,395 2,730 1977-2018
Revision Decreases
158 1,490 1,557 2,566 1,980 9,071 1977-2018
Sales
12 20 1,407 261 1,261 4,273 2000-2018
Acquisitions
0 40 1,326 0 2,821 7,029 2000-2018
Extensions and Discoveries
      3,964 5,293 2,363 2016-2018
Extensions
1,779 3,208 3,231 -- -- -- 1977-2018
New Field Discoveries
17 1 0 -- -- -- 1977-2018
New Reservoir Discoveries in Old Fields
266 1,178 1,488 -- -- -- 1977-2018
Estimated Production
166 477 945 1,363 1,734 2,318 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