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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
975 1,588 1,078 3,235 1,014 1,570 1977-2010
Lower 48 States
889 1,353 1,044 2,691 862 1,494 1977-2010
Federal Offshore
305 555 324 220 172 177 1980-2010
Pacific (California)
81 6 8 80 15 4 1977-2010
Gulf of Mexico (Louisiana)
198 520 298 125 143 155 1981-2010
Gulf of Mexico (Texas)
26 29 18 15 14 18 1977-2010
Alaska
86 235 34 544 152 76 1977-2010
Alabama
2 4 1 4 2 5 1977-2010
Arkansas
3 5 2 8 0 0 1977-2010
California
70 125 144 685 119 167 1977-2010
Coastal Region Onshore
15 10 19 149 4 39 1977-2010
Los Angeles Basin Onshore
29 23 16 181 47 2 1977-2010
San Joaquin Basin Onshore
13 76 104 280 68 125 1977-2010
State Offshore
13 16 5 75 0 1 1977-2010
Colorado
5 7 14 26 16 17 1977-2010
Florida
4 20 0 30 0 0 1977-2010
Illinois
1 6 0 49 1 4 1977-2010
Indiana
0 2 1 16 0 0 1977-2010
Kansas
18 20 27 37 19 46 1977-2010
Kentucky
0 0 0 14 1 0 1977-2010
Louisiana
44 31 48 74 45 60 1981-2010
North
9 8 5 7 1 8 1977-2010
South Onshore
31 16 34 58 39 45 1977-2010
State Offshore
4 7 9 9 5 7 1981-2010
Michigan
1 6 6 8 17 1 1977-2010
Mississippi
8 11 9 16 6 6 1977-2010
Montana
23 35 35 93 47 44 1977-2010
Nebraska
0 1 0 0 0 0 1977-2010
New Mexico
40 45 62 79 66 56 1977-2010
East
40 43 61 76 66 56 1977-2010
West
0 2 1 3 0 0 1977-2010
North Dakota
16 30 28 111 68 474 1977-2010
Ohio
4 1 11 6 0 0 1977-2010
Oklahoma
61 68 50 148 57 52 1977-2010
Pennsylvania
2 2 4 2 2 6 1977-2010
Texas
229 312 241 848 196 315 1977-2010
RRC District 1
3 3 2 8 18 7 1977-2010
RRC District 2 Onshore
2 9 2 11 0 1 1977-2010
RRC District 3 Onshore
11 20 27 36 19 15 1977-2010
RRC District 4 Onshore
3 15 4 4 3 1 1977-2010
RRC District 5
3 1 1 3 1 2 1977-2010
RRC District 6
12 36 7 20 16 12 1977-2010
RRC District 7B
4 4 1 8 6 2 1977-2010
RRC Distict 7C
10 16 16 24 17 31 1977-2010
RRC District 8
96 102 84 236 93 143 1977-2010
RRC District 8A
74 88 89 451 14 60 1977-2010
RRC District 9
7 5 1 35 4 14 1977-2010
RRC District 10
3 11 6 12 5 27 1977-2010
State Offshore
1 2 1 0 0 0 1977-2010
Utah
35 12 3 92 1 18 1977-2010
West Virginia
0 4 0 5 4 0 1977-2010
Wyoming
17 51 34 115 21 45 1977-2010
Miscellaneous
1 0 0 5 2 1 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