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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
5,457 4,359 3,346 2,502 3,027 2,554 1981-2015
Adjustments
-25 72 -296 111 499 -357 1981-2015
Revision Increases
1,814 740 866 443 561 481 1981-2015
Revision Decreases
1,000 1,219 1,161 467 420 390 1981-2015
Sales
697 243 339 597 202 183 2000-2015
Acquisitions
594 355 496 118 305 287 2000-2015
Extensions
139 53 106 18 90 62 1981-2015
New Field Discoveries
65 66 3 34 96 8 1981-2015
New Reservoir Discoveries in Old Fields
83 38 22 47 64 6 1981-2015
Estimated Production
1,318 960 710 551 468 387 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