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Dry Natural Gas Proved Reserves
(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
22,765 29,432 20,553 23,025 32,785 35,001 1977-2018
Adjustments
-565 -559 1,511 -172 137 -263 1977-2018
Revision Increases
2,120 2,213 838 1,885 2,088 1,852 1977-2018
Revision Decreases
2,547 4,249 13,515 4,619 4,194 6,206 1977-2018
Sales
47 1,723 799 913 1,170 1,023 2000-2018
Acquisitions
0 2,287 696 995 1,877 1,323 2000-2018
Extensions and Discoveries
      6,599 12,486 8,145 2016-2018
Extensions
9,827 9,033 3,626 -- -- -- 1977-2018
New Field Discoveries
94 0 0 -- -- -- 1977-2018
New Reservoir Discoveries in Old Fields
0 650 2 -- -- -- 1977-2018
Estimated Production
728 985 1,238 1,303 1,464 1,612 1977-2018
- = 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