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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
2,658 2,612 2,475 2,156 1,832 1,977 1979-2014
Adjustments
149 -49 -92 31 -97 111 1979-2014
Revision Increases
298 339 237 253 343 463 1979-2014
Revision Decreases
406 225 301 515 296 322 1979-2014
Sales
100 91 121 100 510 12 2000-2014
Acquisitions
186 150 148 52 286 12 2000-2014
Extensions
116 94 218 164 170 80 1979-2014
New Field Discoveries
0 0 0 0 0 0 1979-2014
New Reservoir Discoveries in Old Fields
3 1 2 4 0 0 1979-2014
Estimated Production
325 265 228 208 220 187 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