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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
2,785 2,128 1,515 1,794 1,753 1,464 1979-2015
Adjustments
-15 -48 -273 116 6 -50 1979-2015
Revision Increases
110 188 46 171 78 16 1979-2015
Revision Decreases
576 678 297 62 50 208 1979-2015
Sales
0 106 0 1 0 0 2000-2015
Acquisitions
42 89 0 1 0 40 2000-2015
Extensions
408 4 0 142 0 0 1979-2015
New Field Discoveries
0 2 0 0 0 0 1979-2015
New Reservoir Discoveries in Old Fields
0 0 0 0 1 0 1979-2015
Estimated Production
103 108 89 88 76 87 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, Nebraska, 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