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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
2,381 3,569 5,420 6,034 6,203 7,030 1977-2016
Adjustments
-3 -56 -208 -31 74 -261 1977-2016
Revision Increases
570 924 1,096 861 1,131 1,519 1977-2016
Revision Decreases
375 292 640 777 1,164 329 1977-2016
Sales
113 237 13 557 152 224 2000-2016
Acquisitions
169 206 384 322 43 136 2000-2016
Extensions and Discoveries
          483 2016-2016
Extensions
572 834 1,523 1,161 719 -- 1977-2016
New Field Discoveries
10 16 1 4 0 -- 1977-2016
New Reservoir Discoveries in Old Fields
17 23 10 37 5 -- 1977-2016
Estimated Production
133 230 302 406 487 497 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