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Dry Natural Gas Proved Reserves
(Billion Cubic Feet)
Area: Period:
 Annual 
 Show Data By:
Data Series Area
2011 2012 2013 2014 2015 2016 View
History
Proved Reserves as of Dec. 31
334,067 308,036 338,264 368,704 307,730 322,234 1925-2016
Adjustments
1,731 -1,588 543 2,256 9,998 5,652 1977-2016
Revision Increases
53,601 40,583 47,174 52,163 36,917 53,512 1977-2016
Revision Decreases
53,473 84,619 44,461 51,463 114,179 53,686 1977-2016
Sales
43,186 9,318 9,558 20,373 14,016 18,411 2000-2016
Acquisitions
46,241 7,518 10,810 26,675 15,231 18,797 2000-2016
Extensions and Discoveries
          36,198 2016-2016
Extensions
45,909 45,167 49,131 44,599 31,233 -- 1977-2016
New Field Discoveries
947 762 256 632 29 -- 1977-2016
New Reservoir Discoveries in Old Fields
1,227 376 1,566 2,562 1,631 -- 1977-2016
Estimated Production
23,555 24,912 25,233 26,611 27,818 27,558 1977-2016
- = No Data Reported;  -- = Not Applicable;  NA = Not Available;  W = Withheld to avoid disclosure of individual company data.
Notes: Miscellaneous States includes Arizona, Idaho, Illinois, Indiana, Maryland, Missouri, Nebraska, Nevada, Oregon, South Dakota, and Tennessee. Estimated Dry Natural Gas is calculated from Total Natural Gas Proved Reserves.  See Definitions, Sources, and Notes link above for more information on this table.
Release Date: 2/13/2018
Next Release Date: 10/31/2018