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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
2,101 2,766 3,986 4,348 4,802 3,175 1979-2015
Adjustments
18 153 15 -39 -1 127 1979-2015
Revision Increases
321 397 212 719 454 489 1979-2015
Revision Decreases
308 572 516 990 642 2,484 1979-2015
Sales
19 167 11 335 944 60 2000-2015
Acquisitions
29 449 172 361 859 83 2000-2015
Extensions
123 639 1,659 1,023 1,162 669 1979-2015
New Field Discoveries
327 0 0 0 0 0 1979-2015
New Reservoir Discoveries in Old Fields
10 36 23 7 4 0 1979-2015
Estimated Production
237 270 334 384 438 451 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