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Dry Natural Gas Proved Reserves
(Billion Cubic Feet)
Area: Period:
 Annual 
 Show Data By:
Data Series Area
2012 2013 2014 2015 2016 2017 View
History
Proved Reserves as of Dec. 31
14,611 22,765 29,432 20,553 23,025 32,785 1977-2017
Adjustments
251 -565 -559 1,511 -172 137 1977-2017
Revision Increases
1,701 2,120 2,213 838 1,885 2,088 1977-2017
Revision Decreases
2,162 2,547 4,249 13,515 4,619 4,194 1977-2017
Sales
275 47 1,723 799 913 1,170 2000-2017
Acquisitions
105 0 2,287 696 995 1,877 2000-2017
Extensions and Discoveries
        6,599 12,486 2016-2017
Extensions
5,132 9,827 9,033 3,626 -- -- 1977-2017
New Field Discoveries
102 94 0 0 -- -- 1977-2017
New Reservoir Discoveries in Old Fields
0 0 650 2 -- -- 1977-2017
Estimated Production
588 728 985 1,238 1,303 1,464 1977-2017
- = No Data Reported;  -- = Not Applicable;  NA = Not Available;  W = Withheld to avoid disclosure of individual company data.
Notes: Miscellaneous States includes Arizona, Florida (2017-present), 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: 11/28/2018
Next Release Date: 11/29/2019