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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
2,326 2,308 2,091 1,965 1,795 1,760 1979-2014
Adjustments
-105 56 -29 164 -99 52 1979-2014
Revision Increases
456 419 355 608 335 290 1979-2014
Revision Decreases
338 288 225 655 215 228 1979-2014
Sales
152 157 259 224 87 143 2000-2014
Acquisitions
147 202 219 175 86 131 2000-2014
Extensions
270 181 106 122 86 97 1979-2014
New Field Discoveries
58 21 6 7 0 18 1979-2014
New Reservoir Discoveries in Old Fields
12 27 4 8 8 23 1979-2014
Estimated Production
475 479 394 331 284 275 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