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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
2,612 2,475 2,156 1,832 1,977 1,537 1979-2015
Adjustments
-49 -92 31 -97 111 99 1979-2015
Revision Increases
339 237 253 343 463 187 1979-2015
Revision Decreases
225 301 515 296 322 616 1979-2015
Sales
91 121 100 510 12 143 2000-2015
Acquisitions
150 148 52 286 12 158 2000-2015
Extensions
94 218 164 170 80 56 1979-2015
New Field Discoveries
0 0 0 0 0 0 1979-2015
New Reservoir Discoveries in Old Fields
1 2 4 0 0 0 1979-2015
Estimated Production
265 228 208 220 187 181 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