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Estimated Dry Natural Gas contained in Total Natural Gas Proved Reserves
(Billion Cubic Feet)
Area: Period:
 Annual 
 Show Data By:
Data Series Area
2010 2011 2012 2013 2014 2015 View
History
Proved Reserves as of Dec. 31
2,090 3,423 5,462 5,910 6,559 4,536 1977-2015
Adjustments
-10 178 -19 -219 -84 -107 1977-2015
Revision Increases
333 425 403 985 633 745 1977-2015
Revision Decreases
302 550 614 1,462 732 2,638 1977-2015
Sales
18 162 11 370 1,327 53 2000-2015
Acquisitions
30 634 195 426 1,267 79 2000-2015
Extensions
178 1,001 2,446 1,595 1,462 724 1977-2015
New Field Discoveries
307 0 0 0 0 0 1977-2015
New Reservoir Discoveries in Old Fields
9 113 69 27 103 0 1977-2015
Estimated Production
237 306 430 534 673 773 1977-2015
- = No Data Reported;  -- = Not Applicable;  NA = Not Available;  W = Withheld to avoid disclosure of individual company data.
Notes: Miscellaneous States includes Arizona, Idaho, Illinois, Indiana, Maryland, Missouri, Nebraska, Nevada, Oregon, South Dakota, and Tennessee. Estimated Dry Natural Gas is calculated from Total Natural Gas Proved Reserves.  See Definitions, Sources, and Notes link above for more information on this table.
Release Date: 12/14/2016
Next Release Date: 11/30/2017