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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
21,362 19,519 22,350 15,867 17,547 35,926 1981-2017
Adjustments
469 49 441 -1,449 944 7,500 1981-2017
Revision Increases
3,638 2,795 2,660 3,052 3,639 7,637 1981-2017
Revision Decreases
12,680 3,659 3,226 6,413 6,050 3,102 1981-2017
Sales
337 1,053 2,461 1,639 583 393 2000-2017
Acquisitions
267 1,382 4,471 461 3,436 3,112 2000-2017
Extensions and Discoveries
        1,996 5,811 2016-2017
Extensions
3,057 885 2,710 1,246 -- -- 1981-2017
New Field Discoveries
4 18 57 0 -- -- 1981-2017
New Reservoir Discoveries in Old Fields
12 8 59 34 -- -- 1981-2017
Estimated Production
2,974 2,268 1,880 1,775 1,702 2,186 1981-2017
- = 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