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
8,761 8,116 7,963 7,604 6,728 7,014 1977-2010
Adjustments
55 250 53 -19 -127 3 1977-2010
Revision Increases
1,119 844 973 1,055 774 1,084 1977-2010
Revision Decreases
1,120 1,857 840 1,638 1,419 850 1977-2010
Sales
839 1,156 1,813 185 260 208 2000-2010
Acquisitions
976 1,184 1,386 302 309 180 2000-2010
Extensions
1,019 1,138 1,020 1,135 506 943 1977-2010
New Field Discoveries
21 23 31 84 45 24 1977-2010
New Reservoir Discoveries in Old Fields
63 86 209 63 309 3 1977-2010
Estimated Production
1,232 1,157 1,172 1,156 1,013 893 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