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Crude Oil Proved Reserves, Reserves Changes, and Production
(Million Barrels)
Area: Period:
 Annual 
 Show Data By:
Data Series Area
2012 2013 2014 2015 2016 2017 View
History
Proved Reserves as of 12/31
1,711 2,056 2,495 2,324 2,414 2,454 1977-2017
Changes in Reserves During Year
             
Adjustments (+,-)
-20 -49 88 164 -16 29 1977-2017
Revision Increases (+)
198 191 217 164 406 91 1977-2017
Revision Decreases (-)
158 130 229 472 324 296 1977-2017
Sales (-)
7 88 50 50 41 77 2000-2017
Acquisitions (+)
6 116 79 44 20 157 2000-2017
Extensions and Discoveries (+)
        254 330 2016-2017
Extensions (+)
1,069 446 533 216 -- -- 1977-2017
New Field Discoveries (+)
19 2 0 0 -- -- 1977-2017
New Reservoir Discoveries in Old Fields (+)
8 11 18 0 -- -- 1977-2017
Estimated Production (-)
86 154 217 237 209 194 1977-2017
- = No Data Reported;  -- = Not Applicable;  NA = Not Available;  W = Withheld to avoid disclosure of individual company data.
Notes: The volumes in the table above are crude oil ONLY (aka Black Oil), excluding lease condensate. Miscellaneous includes Arizona, Florida (2017-present), Idaho, Maryland, Missouri, Nevada, New York, South Dakota, Tennessee, and Virginia. The production estimates in this table are based on data reported on Form EIA-23, "Annual Survey of Domestic Oil and Gas Reserves." They may differ from the official Energy Information Administration production data for crude oil contained in the "Petroleum Supply Annual."  See Definitions, Sources, and Notes link above for more information on this table.
Release Date: 11/28/2018
Next Release Date: 11/29/2019