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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
2009 2010 2011 2012 2013 2014 View
History
Proved Reserves as of Dec. 31
11,100 12,587 9,963 8,521 8,947 8,283 1979-2014
Adjustments
98 345 211 -609 407 102 1979-2014
Revision Increases
628 932 3,016 177 1,110 774 1979-2014
Revision Decreases
514 223 5,998 1,120 380 1,145 1979-2014
Sales
69 95 1,282 380 630 152 2000-2014
Acquisitions
21 44 1,519 282 20 0 2000-2014
Extensions
2,234 1,207 498 712 196 323 1979-2014
New Field Discoveries
0 0 0 0 0 0 1979-2014
New Reservoir Discoveries in Old Fields
14 8 0 51 266 0 1979-2014
Estimated Production
702 731 588 555 563 566 1979-2014
- = 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: 11/19/2015
Next Release Date: 12/31/2016