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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
10,345 14,611 22,765 29,432 20,553 23,025 1977-2016
Adjustments
-1 251 -565 -559 1,511 -172 1977-2016
Revision Increases
1,218 1,701 2,120 2,213 838 1,885 1977-2016
Revision Decreases
759 2,162 2,547 4,249 13,515 4,619 1977-2016
Sales
265 275 47 1,723 799 913 2000-2016
Acquisitions
590 105 0 2,287 696 995 2000-2016
Extensions and Discoveries
          6,599 2016-2016
Extensions
2,820 5,132 9,827 9,033 3,626 -- 1977-2016
New Field Discoveries
0 102 94 0 0 -- 1977-2016
New Reservoir Discoveries in Old Fields
137 0 0 650 2 -- 1977-2016
Estimated Production
395 588 728 985 1,238 1,303 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: 02/13/2018
Next Release Date: 10/31/2018