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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
2,308 2,091 1,965 1,795 1,760 1,520 1979-2015
Adjustments
56 -29 164 -99 52 46 1979-2015
Revision Increases
419 355 608 335 290 167 1979-2015
Revision Decreases
288 225 655 215 228 308 1979-2015
Sales
157 259 224 87 143 19 2000-2015
Acquisitions
202 219 175 86 131 19 2000-2015
Extensions
181 106 122 86 97 102 1979-2015
New Field Discoveries
21 6 7 0 18 0 1979-2015
New Reservoir Discoveries in Old Fields
27 4 8 8 23 12 1979-2015
Estimated Production
479 394 331 284 275 259 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