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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
2011 2012 2013 2014 2015 2016 View
History
Proved Reserves as of Dec. 31
7,199 6,774 6,162 6,098 3,086 2,897 1979-2016
Adjustments
157 304 -564 31 78 53 1979-2016
Revision Increases
649 1,284 447 457 53 235 1979-2016
Revision Decreases
304 1,929 245 265 2,871 295 1979-2016
Sales
776 1 321 0 26 11 2000-2016
Acquisitions
856 0 459 0 0 0 2000-2016
Extensions and Discoveries
          113 2016-2016
Extensions
514 358 26 87 95 -- 1979-2016
New Field Discoveries
1 0 0 0 0 -- 1979-2016
New Reservoir Discoveries in Old Fields
0 0 0 0 0 -- 1979-2016
Estimated Production
413 441 414 374 341 284 1979-2016
- = 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: 2/13/2018
Next Release Date: 10/31/2018