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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
2,463 2,496 2,125 2,586 2,254 2,432 1979-2014
Adjustments
98 -42 -32 187 -118 298 1979-2014
Revision Increases
572 399 437 660 209 278 1979-2014
Revision Decreases
522 498 391 375 397 463 1979-2014
Sales
32 55 579 36 85 184 2000-2014
Acquisitions
36 205 356 91 255 239 2000-2014
Extensions
231 266 78 214 119 218 1979-2014
New Field Discoveries
4 1 49 4 0 32 1979-2014
New Reservoir Discoveries in Old Fields
56 95 23 12 8 46 1979-2014
Estimated Production
425 338 312 296 323 286 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