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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
7,206 7,039 7,738 8,629 9,742 10,851 1977-2015
Adjustments
304 -703 395 243 -395 577 1977-2015
Revision Increases
1,082 1,056 1,115 1,154 2,164 2,274 1977-2015
Revision Decreases
1,268 1,028 1,549 1,060 1,388 2,715 1977-2015
Sales
363 185 385 608 734 328 2000-2015
Acquisitions
758 482 656 575 771 775 2000-2015
Extensions
568 676 1,023 1,223 1,429 1,458 1977-2015
New Field Discoveries
0 4 7 0 1 0 1977-2015
New Reservoir Discoveries in Old Fields
2 1 1 26 32 16 1977-2015
Estimated Production
549 470 564 662 767 948 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