This page uses JavaScipt

Nonassociated Natural Gas Proved Reserves, Wet After Lease Separation
(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
19,225 21,155 23,115 26,873 27,683 25,018 1979-2012
Adjustments
17 85 922 -93 -215 -549 1979-2012
Revision Increases
1,965 2,774 2,716 3,271 5,294 4,169 1979-2012
Revision Decreases
1,363 2,527 3,661 3,613 7,154 7,683 1979-2012
Sales
1,514 413 396 164 2,948 1,209 2000-2012
Acquisitions
1,554 591 344 1,535 2,584 733 2000-2012
Extensions
2,422 3,066 3,630 4,492 4,883 3,529 1979-2012
New Field Discoveries
6 22 0 54 50 47 1979-2012
New Reservoir Discoveries in Old Fields
59 90 189 1 12 4 1979-2012
Estimated Production
1,656 1,758 1,784 1,725 1,696 1,706 1979-2012
- = 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, Nevada, Oregon, South Dakota, and Tennessee.  See Definitions, Sources, and Notes link above for more information on this table.
Release Date: 4/10/2014
Next Release Date: 4/30/2015