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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
1,456 1,015 643 535 607 478 1981-2015
Adjustments
-16 1 -65 110 94 -32 1981-2015
Revision Increases
240 244 220 103 147 86 1981-2015
Revision Decreases
428 489 345 80 135 181 1981-2015
Sales
130 23 74 160 33 9 2000-2015
Acquisitions
190 63 37 31 66 56 2000-2015
Extensions
107 13 14 10 31 37 1981-2015
New Field Discoveries
0 0 19 0 0 0 1981-2015
New Reservoir Discoveries in Old Fields
12 0 6 18 26 30 1981-2015
Estimated Production
341 250 184 140 124 116 1981-2015
- = 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