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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
295,504 319,724 258,807 268,913 364,846 384,855 1979-2018
Adjustments
1,342 3,509 7,436 6,089 16,233 5,899 1979-2018
Revision Increases
40,981 42,064 29,030 41,737 54,884 27,968 1979-2018
Revision Decreases
36,900 44,184 101,272 44,569 24,677 56,918 1979-2018
Sales
8,453 17,671 13,405 17,018 22,619 21,492 2000-2018
Acquisitions
8,630 23,705 12,933 15,529 39,366 29,793 2000-2018
Extensions and Discoveries
      31,064 55,927 60,202 2016-2018
Extensions
41,444 37,109 25,807 -- -- -- 1979-2018
New Field Discoveries
200 344 8 -- -- -- 1979-2018
New Reservoir Discoveries in Old Fields
1,099 2,161 1,682 -- -- -- 1979-2018
Estimated Production
22,353 22,817 23,136 22,726 23,181 25,443 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