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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
8,896 8,156 7,291 6,482 6,890 5,909 1981-2015
Adjustments
-106 -28 -429 76 548 -347 1981-2015
Revision Increases
2,617 2,050 2,229 1,017 1,299 1,059 1981-2015
Revision Decreases
1,771 2,260 2,178 789 1,234 1,099 1981-2015
Sales
741 295 511 850 294 235 2000-2015
Acquisitions
785 385 734 363 364 365 2000-2015
Extensions
186 81 239 175 161 139 1981-2015
New Field Discoveries
68 562 64 84 378 29 1981-2015
New Reservoir Discoveries in Old Fields
213 76 48 56 68 29 1981-2015
Estimated Production
1,717 1,311 1,061 941 882 921 1981-2015
- = 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