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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
2010 2011 2012 2013 2014 2015 View
History
Proved Reserves as of Dec. 31
14,958 15,524 11,204 11,553 11,640 9,581 1979-2015
Adjustments
400 233 -1,035 322 -338 521 1979-2015
Revision Increases
2,732 5,023 1,960 2,107 2,009 976 1979-2015
Revision Decreases
2,739 5,621 5,261 1,387 1,206 3,607 1979-2015
Sales
523 4,045 251 440 536 569 2000-2015
Acquisitions
985 4,056 388 551 582 980 2000-2015
Extensions
2,213 1,726 984 255 545 572 1979-2015
New Field Discoveries
52 2 0 0 0 0 1979-2015
New Reservoir Discoveries in Old Fields
52 277 8 8 0 0 1979-2015
Estimated Production
1,020 1,085 1,113 1,067 969 932 1979-2015
- = 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, Nevada, Oregon, South Dakota, and Tennessee.  See Definitions, Sources, and Notes link above for more information on this table.
Release Date: 12/14/2016
Next Release Date: 11/30/2017