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Nonassociated Natural Gas Proved Reserves, Wet After Lease Separation
(Billion Cubic Feet)
Area: Period:
 Annual 
 Show Data By:
Data Series Area
2009 2010 2011 2012 2013 2014 View
History
Proved Reserves as of Dec. 31
6,885 13,924 26,585 36,418 49,809 60,144 1979-2014
Adjustments
52 -303 -94 -292 849 1,306 1979-2014
Revision Increases
668 2,904 6,971 5,466 7,002 8,604 1979-2014
Revision Decreases
493 1,935 4,883 6,390 7,168 7,429 1979-2014
Sales
52 683 805 5 104 509 2000-2014
Acquisitions
591 855 1,897 12 354 1,307 2000-2014
Extensions
2,788 5,824 10,328 12,868 15,627 11,251 1979-2014
New Field Discoveries
128 51 166 416 36 8 1979-2014
New Reservoir Discoveries in Old Fields
0 911 324 0 80 6 1979-2014
Estimated Production
264 585 1,243 2,242 3,285 4,209 1979-2014
- = 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, Nevada, Oregon, South Dakota, and Tennessee.  See Definitions, Sources, and Notes link above for more information on this table.
Release Date: 11/19/2015
Next Release Date: 12/31/2016