This page uses JavaScipt

Dry Natural Gas Proved Reserves
(Billion Cubic Feet)
Area: Period:
 Annual 
 Show Data By:
Data Series Area
2005 2006 2007 2008 2009 2010 View
History
Proved Reserves as of Dec. 31
14,410 14,020 13,251 12,254 11,457 11,186 1977-2010
Adjustments
7 35 54 2 274 111 1977-2010
Revision Increases
1,614 666 2,046 2,186 855 1,731 1977-2010
Revision Decreases
1,857 708 2,018 2,216 1,080 1,415 1977-2010
Sales
449 5,951 281 191 138 12 2000-2010
Acquisitions
589 5,951 158 6 63 0 2000-2010
Extensions
580 423 159 105 124 142 1977-2010
New Field Discoveries
5 0 0 0 1 0 1977-2010
New Reservoir Discoveries in Old Fields
1 140 0 1 0 0 1977-2010
Estimated Production
971 946 887 890 896 828 1977-2010
- = 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.  See Definitions, Sources, and Notes link above for more information on this table.
Release Date: 8/2/2012
Next Release Date: 8/30/2013