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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
6,560 6,824 6,672 7,206 7,039 7,738 1977-2012
Adjustments
111 -25 233 304 -703 395 1977-2012
Revision Increases
690 1,054 828 1,082 1,056 1,115 1977-2012
Revision Decreases
558 773 1,375 1,268 1,028 1,549 1977-2012
Sales
320 101 260 363 185 385 2000-2012
Acquisitions
321 232 194 758 482 656 2000-2012
Extensions
664 402 747 568 676 1,023 1977-2012
New Field Discoveries
0 1 1 0 4 7 1977-2012
New Reservoir Discoveries in Old Fields
120 15 25 2 1 1 1977-2012
Estimated Production
538 541 545 549 470 564 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