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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
279 468 391 332 273 186 1981-2015
Adjustments
115 53 158 -57 -34 -30 1981-2015
Revision Increases
46 34 65 59 4 12 1981-2015
Revision Decreases
64 12 209 19 41 36 1981-2015
Sales
5 1 25 4 0 6 2000-2015
Acquisitions
23 144 0 0 3 4 2000-2015
Extensions
2 13 4 0 18 1 1981-2015
New Field Discoveries
0 0 0 17 25 0 1981-2015
New Reservoir Discoveries in Old Fields
0 0 0 0 8 0 1981-2015
Estimated Production
53 42 70 55 42 32 1981-2015
- = 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