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Expected Future Production of Dry Natural Gas
(Billion Cubic Feet)
Area: Period:
 Annual 
 Show Data By:
Data Series Area
2007 2008 2009 2010 2011 2012 View
History
Proved Reserves as of Dec. 31
954 1,030 917 853 860 607 1977-2012
Adjustments
37 12 26 1 109 65 1977-2012
Revision Increases
53 108 92 77 105 91 1977-2012
Revision Decreases
50 96 250 70 156 300 1977-2012
Sales
24 2 17 31 11 159 2000-2012
Acquisitions
78 4 2 13 10 109 2000-2012
Extensions
146 155 132 33 24 4 1977-2012
New Field Discoveries
0 2 2 0 1 1 1977-2012
New Reservoir Discoveries in Old Fields
1 3 0 0 0 0 1977-2012
Estimated Production
100 110 100 87 75 64 1977-2012
- = No Data Reported;  -- = Not Applicable;  NA = Not Available;  W = Withheld to avoid disclosure of individual company data.
Notes: Miscellaneous States includes Arizona, Illinois, Indiana, Maryland, Missouri, Nebraska, Nevada, Oregon, South Dakota, and Tennessee. Expected Future Production data are calculated from Total Wet Natural Gas Proved Reserves.  See Definitions, Sources, and Notes link above for more information on this table.
Release Date: 4/10/2014
Next Release Date: 4/30/2015