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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
281,901 305,986 269,514 295,504 319,724 258,807 1979-2015
Adjustments
1,774 2,325 -1,195 1,342 3,509 7,436 1979-2015
Revision Increases
37,411 47,927 34,343 40,981 42,064 29,030 1979-2015
Revision Decreases
34,375 50,174 81,869 36,900 44,184 101,272 1979-2015
Sales
9,436 43,237 8,819 8,453 17,671 13,405 2000-2015
Acquisitions
10,879 45,989 5,941 8,630 23,705 12,933 2000-2015
Extensions
43,623 41,678 37,023 41,444 37,109 25,807 1979-2015
New Field Discoveries
793 376 629 200 344 8 1979-2015
New Reservoir Discoveries in Old Fields
1,515 1,100 179 1,099 2,161 1,682 1979-2015
Estimated Production
20,779 21,899 22,704 22,353 22,817 23,136 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