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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
4,787 4,475 4,890 4,800 6,422 4,959 1977-2015
Adjustments
68 -311 639 -236 764 -520 1977-2015
Revision Increases
535 684 421 693 1,343 755 1977-2015
Revision Decreases
710 708 1,113 889 1,177 1,954 1977-2015
Sales
575 260 84 129 636 6 2000-2015
Acquisitions
451 271 106 127 886 13 2000-2015
Extensions
496 305 708 568 865 711 1977-2015
New Field Discoveries
0 0 1 0 0 0 1977-2015
New Reservoir Discoveries in Old Fields
10 0 46 104 1 0 1977-2015
Estimated Production
315 293 309 328 424 462 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