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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
742 684 1,012 2,887 6,985 12,474 1979-2015
Adjustments
184 -87 -164 -190 -239 860 1979-2015
Revision Increases
63 13 137 429 1,632 2,302 1979-2015
Revision Decreases
58 38 152 155 1,512 1,616 1979-2015
Sales
374 0 0 12 21 1,315 2000-2015
Acquisitions
185 4 71 0 35 1,229 2000-2015
Extensions
8 118 487 1,668 3,428 3,425 1979-2015
New Field Discoveries
0 0 14 16 0 0 1979-2015
New Reservoir Discoveries in Old Fields
0 0 0 263 1,261 1,582 1979-2015
Estimated Production
65 68 65 144 486 978 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