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Natural Gas Proved Reserves, Wet After Lease Separation
(Billion Cubic Feet)
Area: Period:
 Annual 
 Show Data By:
Data Series Area
2014 2015 2016 2017 2018 2019 View
History
Proved Reserves as of Dec. 31
1,873 1,415 1,301 1,509 1,513 1,261 1979-2019
Adjustments
-52 -281 405 261 178 -22 1979-2019
Revision Increases
295 152 155 67 79 46 1979-2019
Revision Decreases
92 225 415 74 35 111 1979-2019
Sales
1 15 157 2 128 356 2000-2019
Acquisitions
8 0 0 54 0 278 2000-2019
Extensions and Discoveries
    0 0 0 3 2016-2019
Extensions
1 0 -- -- -- -- 1979-2019
New Field Discoveries
0 0 -- -- -- -- 1979-2019
New Reservoir Discoveries in Old Fields
1 0 -- -- -- -- 1979-2019
Estimated Production
126 89 102 98 90 90 1979-2019
- = 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: 1/11/2021
Next Release Date: 12/20/2021