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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
24,686 28,147 17,587 19,354 17,970 12,518 1979-2015
Adjustments
65 646 -951 207 -46 833 1979-2015
Revision Increases
1,596 3,708 338 3,185 723 75 1979-2015
Revision Decreases
1,290 2,182 8,291 739 1,435 6,200 1979-2015
Sales
1 10,683 539 94 609 1,090 2000-2015
Acquisitions
5 10,823 274 581 1,207 1,166 2000-2015
Extensions
3,504 3,071 384 188 195 986 1979-2015
New Field Discoveries
0 2 0 0 0 0 1979-2015
New Reservoir Discoveries in Old Fields
0 0 3 24 0 0 1979-2015
Estimated Production
1,795 1,924 1,778 1,585 1,419 1,222 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