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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
12,806 14,958 15,524 11,204 11,553 11,640 1979-2014
Adjustments
426 400 233 -1,035 322 -338 1979-2014
Revision Increases
1,801 2,732 5,023 1,960 2,107 2,009 1979-2014
Revision Decreases
2,271 2,739 5,621 5,261 1,387 1,206 1979-2014
Sales
370 523 4,045 251 440 536 2000-2014
Acquisitions
252 985 4,056 388 551 582 2000-2014
Extensions
1,708 2,213 1,726 984 255 545 1979-2014
New Field Discoveries
0 52 2 0 0 0 1979-2014
New Reservoir Discoveries in Old Fields
43 52 277 8 8 0 1979-2014
Estimated Production
990 1,020 1,085 1,113 1,067 969 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