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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
2011 2012 2013 2014 2015 2016 View
History
Proved Reserves as of Dec. 31
10,480 14,860 23,139 31,121 21,810 24,720 1979-2016
Adjustments
-36 275 -675 323 1,725 67 1979-2016
Revision Increases
1,214 1,733 2,159 2,342 891 2,025 1979-2016
Revision Decreases
767 2,189 2,538 4,491 14,362 4,963 1979-2016
Sales
244 280 48 1,823 849 982 2000-2016
Acquisitions
568 107 0 2,421 740 1,069 2000-2016
Extensions and Discoveries
          7,092 2016-2016
Extensions
2,871 5,227 10,019 9,561 3,854 -- 1979-2016
New Field Discoveries
0 104 96 0 0 -- 1979-2016
New Reservoir Discoveries in Old Fields
139 0 0 688 2 -- 1979-2016
Estimated Production
399 597 734 1,039 1,312 1,398 1979-2016
- = 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: 2/13/2018
Next Release Date: 10/31/2018