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Nonassociated Natural Gas Proved Reserves, Wet After Lease Separation
(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
28,838 29,906 21,362 19,519 22,350 15,867 1981-2015
Adjustments
-411 165 469 49 441 -1,449 1981-2015
Revision Increases
3,039 3,564 3,638 2,795 2,660 3,052 1981-2015
Revision Decreases
3,051 5,733 12,680 3,659 3,226 6,413 1981-2015
Sales
658 5,528 337 1,053 2,461 1,639 2000-2015
Acquisitions
792 5,509 267 1,382 4,471 461 2000-2015
Extensions
11,019 5,784 3,057 885 2,710 1,246 1981-2015
New Field Discoveries
49 49 4 18 57 0 1981-2015
New Reservoir Discoveries in Old Fields
268 167 12 8 59 34 1981-2015
Estimated Production
2,107 2,909 2,974 2,268 1,880 1,775 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, Nevada, Oregon, South Dakota, and Tennessee.  See Definitions, Sources, and Notes link above for more information on this table.
Release Date: 12/14/2016
Next Release Date: 11/30/2017