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Crude Oil Proved Reserves, Reserves Changes, and Production
(Million Barrels)
Data Series: Period:
 Annual 
 Show Data By:
Data Series Area
2005 2006 2007 2008 2009 2010 View
History
U.S. Total
221 94 65 278 -4 144 1977-2010
Lower 48 States
223 93 65 276 -4 144 1977-2010
Federal Offshore
0 -3 3 3 8 -8 1980-2010
Pacific (California)
-1 0 2 -1 0 -2 1977-2010
Gulf of Mexico (Louisiana)
1 -2 1 3 6 -6 1981-2010
Gulf of Mexico (Texas)
0 -1 0 1 2 0 1977-2010
Alaska
-2 1 0 2 0 0 1977-2010
Alabama
0 2 1 3 0 12 1977-2010
Arkansas
-5 5 -2 11 2 2 1977-2010
California
16 13 -6 74 -17 13 1977-2010
Coastal Region Onshore
3 1 3 1 1 0 1977-2010
Los Angeles Basin Onshore
9 6 -8 17 10 15 1977-2010
San Joaquin Basin Onshore
4 6 -2 57 -30 0 1977-2010
State Offshore
0 0 1 -1 2 -2 1977-2010
Colorado
-1 4 1 -6 -9 21 1977-2010
Florida
1 1 -1 4 -1 1 1977-2010
Illinois
10 2 -4 5 3 10 1977-2010
Indiana
6 -5 5 14 -7 1 1977-2010
Kansas
32 9 -32 58 20 61 1977-2010
Kentucky
-3 3 0 -4 5 -11 1977-2010
Louisiana
23 13 47 5 -13 -5 1981-2010
North
5 8 21 -3 -9 -9 1977-2010
South Onshore
18 16 23 7 -3 5 1977-2010
State Offshore
0 -11 3 1 -1 -1 1981-2010
Michigan
1 5 2 1 -12 10 1977-2010
Mississippi
2 5 9 -6 -3 22 1977-2010
Montana
-1 1 5 10 21 -4 1977-2010
Nebraska
1 0 -2 -4 2 0 1977-2010
New Mexico
9 -2 24 -9 1 -10 1977-2010
East
10 -5 23 -11 0 -7 1977-2010
West
-1 3 1 2 1 -3 1977-2010
North Dakota
-4 8 2 -3 12 -8 1977-2010
Ohio
-4 1 2 -5 3 26 1977-2010
Oklahoma
54 -21 -52 89 -18 -4 1977-2010
Pennsylvania
3 5 -5 1 -3 33 1977-2010
Texas
64 50 65 46 -11 -54 1977-2010
RRC District 1
-1 5 3 7 -8 -15 1977-2010
RRC District 2 Onshore
2 12 1 5 -10 -3 1977-2010
RRC District 3 Onshore
-2 11 8 3 -10 28 1977-2010
RRC District 4 Onshore
2 7 4 -4 -3 -2 1977-2010
RRC District 5
3 1 3 -1 -6 1 1977-2010
RRC District 6
-1 8 0 2 -2 2 1977-2010
RRC District 7B
13 -5 3 0 8 4 1977-2010
RRC Distict 7C
6 3 16 1 30 -8 1977-2010
RRC District 8
11 2 14 1 5 -90 1977-2010
RRC District 8A
20 2 9 12 18 24 1977-2010
RRC District 9
12 6 13 14 -25 13 1977-2010
RRC District 10
3 -2 -8 6 -7 -8 1977-2010
State Offshore
-4 0 -1 0 -1 0 1977-2010
Utah
7 0 -8 -2 0 10 1977-2010
West Virginia
4 2 0 1 1 -4 1977-2010
Wyoming
8 -2 10 -4 12 17 1977-2010
Miscellaneous
0 -3 1 -6 0 13 1977-2010
- = 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: 8/2/2012
Next Release Date: 8/30/2013