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
2,910 3,065 3,630 3,174 2,763 2,919 1977-2010
Adjustments
1 112 -45 -48 -279 243 1977-2010
Revision Increases
141 460 780 143 367 260 1977-2010
Revision Decreases
163 291 210 430 406 378 1977-2010
Sales
104 48 1,043 0 0 529 2000-2010
Acquisitions
89 27 1,238 10 16 711 2000-2010
Extensions
55 86 29 21 16 1 1977-2010
New Field Discoveries
11 1 0 4 19 2 1977-2010
New Reservoir Discoveries in Old Fields
0 5 0 1 9 0 1977-2010
Estimated Production
211 197 184 157 153 154 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