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Expected Future Production of Dry Natural Gas
(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
2,904 2,752 2,616 2,588 2,260 2,154 1977-2012
Adjustments
56 104 -124 82 -95 164 1977-2012
Revision Increases
470 376 490 482 375 604 1977-2012
Revision Decreases
518 539 369 319 252 631 1977-2012
Sales
606 73 174 184 274 214 2000-2012
Acquisitions
577 59 190 199 204 182 2000-2012
Extensions
277 371 288 175 104 121 1977-2012
New Field Discoveries
42 13 61 20 16 10 1977-2012
New Reservoir Discoveries in Old Fields
68 42 11 25 3 8 1977-2012
Estimated Production
512 505 509 508 409 350 1977-2012
- = 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, Nebraska, Nevada, Oregon, South Dakota, and Tennessee. Expected Future Production data are calculated from Total Wet Natural Gas Proved Reserves.  See Definitions, Sources, and Notes link above for more information on this table.
Release Date: 4/10/2014
Next Release Date: 4/30/2015