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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
26,345 27,830 26,599 26,873 31,778 28,486 1977-2015
Adjustments
-394 -368 -686 -622 816 199 1977-2015
Revision Increases
3,224 5,142 4,153 4,118 6,573 3,384 1977-2015
Revision Decreases
3,474 6,856 7,731 5,031 4,585 8,391 1977-2015
Sales
219 2,995 1,133 733 1,088 1,136 2000-2015
Acquisitions
1,519 2,459 975 738 1,210 1,791 2000-2015
Extensions
4,571 5,735 4,903 3,300 3,661 2,931 1977-2015
New Field Discoveries
51 47 44 2 135 0 1977-2015
New Reservoir Discoveries in Old Fields
1 18 7 392 306 1 1977-2015
Estimated Production
1,703 1,697 1,763 1,890 2,123 2,071 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