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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
2,156 1,832 1,977 1,537 1,505 1,596 1979-2017
Adjustments
31 -97 111 99 -4 -63 1979-2017
Revision Increases
253 343 463 187 413 413 1979-2017
Revision Decreases
515 296 322 616 303 238 1979-2017
Sales
100 510 12 143 43 51 2000-2017
Acquisitions
52 286 12 158 48 55 2000-2017
Extensions and Discoveries
        27 164 2016-2017
Extensions
164 170 80 56 -- -- 1979-2017
New Field Discoveries
0 0 0 0 -- -- 1979-2017
New Reservoir Discoveries in Old Fields
4 0 0 0 -- -- 1979-2017
Estimated Production
208 220 187 181 170 189 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