This page uses JavaScipt

Natural Gas Proved Reserves, Wet After Lease Separation
(Billion Cubic Feet)
Area: Period:
 Annual 
 Show Data By:
Data Series Area
2008 2009 2010 2011 2012 2013 View
History
Proved Reserves as of Dec. 31
255,035 283,879 317,647 348,809 322,670 353,994 1979-2013
Adjustments
271 5,923 1,292 2,715 -810 693 1979-2013
Revision Increases
31,941 32,664 42,394 56,015 42,505 49,515 1979-2013
Revision Decreases
35,195 34,563 38,339 56,127 88,119 46,721 1979-2013
Sales
7,911 4,377 10,582 44,575 9,950 10,186 2000-2013
Acquisitions
8,848 4,155 13,348 47,873 8,091 11,473 2000-2013
Extensions
27,800 43,500 46,283 47,635 47,053 51,074 1979-2013
New Field Discoveries
1,229 1,423 895 987 780 263 1979-2013
New Reservoir Discoveries in Old Fields
1,678 2,656 1,701 1,260 408 1,680 1979-2013
Estimated Production
21,415 22,537 23,224 24,621 26,097 26,467 1979-2013
- = 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: 12/4/2014
Next Release Date: 12/31/2015