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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
338,264 368,704 307,730 322,234 438,460 474,821 1925-2018
Adjustments
543 2,256 9,998 5,652 17,680 7,438 1977-2018
Revision Increases
47,174 52,163 36,917 53,512 69,071 38,843 1977-2018
Revision Decreases
44,461 51,463 114,179 53,686 29,624 65,495 1977-2018
Sales
9,558 20,373 14,016 18,411 23,718 23,817 2000-2018
Acquisitions
10,810 26,675 15,231 18,797 44,738 36,719 2000-2018
Extensions and Discoveries
      36,198 66,713 74,661 2016-2018
Extensions
49,131 44,599 31,233 -- -- -- 1977-2018
New Field Discoveries
256 632 29 -- -- -- 1977-2018
New Reservoir Discoveries in Old Fields
1,566 2,562 1,631 -- -- -- 1977-2018
Estimated Production
25,233 26,611 27,818 27,558 28,634 31,988 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