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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
1,837 2,101 2,766 3,986 4,348 4,802 1979-2014
Adjustments
-101 18 153 15 -39 -1 1979-2014
Revision Increases
194 321 397 212 719 454 1979-2014
Revision Decreases
364 308 572 516 990 642 1979-2014
Sales
23 19 167 11 335 944 2000-2014
Acquisitions
5 29 449 172 361 859 2000-2014
Extensions
80 123 639 1,659 1,023 1,162 1979-2014
New Field Discoveries
0 327 0 0 0 0 1979-2014
New Reservoir Discoveries in Old Fields
13 10 36 23 7 4 1979-2014
Estimated Production
259 237 270 334 384 438 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