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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
2013 2014 2015 2016 2017 2018 View
History
Proved Reserves as of Dec. 31
4,442 7,733 6,400 3,159 3,835 6,141 1979-2018
Adjustments
120 -73 -151 179 -10 308 1979-2018
Revision Increases
702 3,462 921 610 275 521 1979-2018
Revision Decreases
2,783 511 1,683 4,134 388 574 1979-2018
Sales
13 114 351 17 651 422 2000-2018
Acquisitions
6 115 305 35 1,166 866 2000-2018
Extensions and Discoveries
      388 588 1,951 2016-2018
Extensions
352 936 152 -- -- -- 1979-2018
New Field Discoveries
0 0 0 -- -- -- 1979-2018
New Reservoir Discoveries in Old Fields
0 0 0 -- -- -- 1979-2018
Estimated Production
458 524 526 302 304 344 1979-2018
- = No Data Reported;  -- = Not Applicable;  NA = Not Available;  W = Withheld to avoid disclosure of individual company data.
Notes: W -- Individual state volumes are withheld to avoid disclosure of operator-level reserves data, due to statistical precision requirements, or due to other data quality reasons. The individual state volumes are included in the U.S. Total volume.  See Definitions, Sources, and Notes link above for more information on this table.
Release Date: 12/12/2019
Next Release Date: 11/20/2020