This page uses JavaScipt

Crude Oil Proved Reserves, Reserves Changes, and Production
(Million Barrels)
Area: Period:
 Annual 
 Show Data By:
Data Series Area
2007 2008 2009 2010 2011 2012 View
History
Proved Reserves as of 12/31
17,154 15,614 17,116 19,545 22,728 27,193 1977-2012
Changes in Reserves During Year
             
Adjustments (+,-)
65 276 -4 144 199 110 1977-2012
Revision Increases (+)
1,791 1,094 2,483 3,032 4,248 4,235 1977-2012
Revision Decreases (-)
1,044 2,691 862 1,494 3,101 2,933 1977-2012
Sales (-)
802 312 205 725 791 734 2000-2012
Acquisitions (+)
776 478 307 1,330 1,209 1,150 2000-2012
Extensions (+)
611 774 1,130 1,465 2,531 4,403 1977-2012
New Field Discoveries (+)
21 141 113 88 477 53 1977-2012
New Reservoir Discoveries in Old Fields (+)
73 124 81 161 59 122 1977-2012
Estimated Production (-)
1,430 1,424 1,541 1,572 1,648 1,941 1977-2012
- = No Data Reported;  -- = Not Applicable;  NA = Not Available;  W = Withheld to avoid disclosure of individual company data.
Notes: Miscellaneous includes Arizona, 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 many 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: 4/10/2014
Next Release Date: 4/30/2015