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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
1,822 1,456 1,015 643 535 607 1981-2014
Adjustments
6 -16 1 -65 110 94 1981-2014
Revision Increases
506 240 244 220 103 147 1981-2014
Revision Decreases
379 428 489 345 80 135 1981-2014
Sales
34 130 23 74 160 33 2000-2014
Acquisitions
13 190 63 37 31 66 2000-2014
Extensions
19 107 13 14 10 31 1981-2014
New Field Discoveries
71 0 0 19 0 0 1981-2014
New Reservoir Discoveries in Old Fields
36 12 0 6 18 26 1981-2014
Estimated Production
353 341 250 184 140 124 1981-2014
- = 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