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Estimated Dry Natural Gas contained in Total Natural Gas Proved Reserves
(Billion Cubic Feet)
Area: Period:
 Annual 
 Show Data By:
Data Series Area
2010 2011 2012 2013 2014 2015 View
History
Proved Reserves as of Dec. 31
14,886 15,480 11,340 11,655 11,516 9,447 1977-2015
Adjustments
403 296 -1,010 128 -272 562 1977-2015
Revision Increases
2,660 4,894 2,108 2,089 1,979 969 1977-2015
Revision Decreases
2,680 5,464 5,203 1,404 1,178 3,581 1977-2015
Sales
505 3,938 290 429 842 546 2000-2015
Acquisitions
955 3,944 393 572 614 940 2000-2015
Extensions
2,173 1,670 979 409 562 550 1977-2015
New Field Discoveries
51 3 0 0 0 0 1977-2015
New Reservoir Discoveries in Old Fields
51 268 7 7 0 0 1977-2015
Estimated Production
1,017 1,079 1,124 1,057 1,002 963 1977-2015
- = 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: 12/14/2016
Next Release Date: 11/30/2017