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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
2012 2013 2014 2015 2016 2017 View
History
Proved Reserves as of Dec. 31
14,860 23,139 31,121 21,810 24,720 35,834 1979-2017
Adjustments
275 -675 323 1,725 67 587 1979-2017
Revision Increases
1,733 2,159 2,342 891 2,025 2,283 1979-2017
Revision Decreases
2,189 2,538 4,491 14,362 4,963 4,586 1979-2017
Sales
280 48 1,823 849 982 1,279 2000-2017
Acquisitions
107 0 2,421 740 1,069 2,053 2000-2017
Extensions and Discoveries
        7,092 13,655 2016-2017
Extensions
5,227 10,019 9,561 3,854 -- -- 1979-2017
New Field Discoveries
104 96 0 0 -- -- 1979-2017
New Reservoir Discoveries in Old Fields
0 0 688 2 -- -- 1979-2017
Estimated Production
597 734 1,039 1,312 1,398 1,599 1979-2017
- = No Data Reported;  -- = Not Applicable;  NA = Not Available;  W = Withheld to avoid disclosure of individual company data.
Notes: Miscellaneous States includes Arizona, Florida (2017-present), 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: 11/28/2018
Next Release Date: 11/29/2019