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Crude Oil Proved Reserves, Reserves Changes, and Production
(Million Barrels)
Data Series: Period:
 Annual 
 Show Data By:
Data Series Area
2007 2008 2009 2010 2011 2012 View
History
U.S. Total
1,078 3,235 1,014 1,570 3,230 3,384 1977-2012
Lower 48 States
1,044 2,691 862 1,494 3,101 2,933 1977-2012
Federal Offshore
324 220 172 177 1,400 745 1980-2012
Pacific (California)
8 80 15 4 15 6 1977-2012
Gulf of Mexico (Louisiana & Alabama)
298 125 143 155 1,328 717 1981-2012
Gulf of Mexico (Texas)
18 15 14 18 57 22 1977-2012
Alaska
34 544 152 76 129 451 1977-2012
Alabama
1 4 2 5 0 1 1977-2012
Arkansas
2 8 0 0 0 3 1977-2012
California
144 685 119 167 230 389 1977-2012
Coastal Region Onshore
19 149 4 39 10 16 1977-2012
Los Angeles Basin Onshore
16 181 47 2 2 36 1977-2012
San Joaquin Basin Onshore
104 280 68 125 217 318 1977-2012
State Offshore
5 75 0 1 1 19 1977-2012
Colorado
14 26 16 17 48 93 1977-2012
Florida
0 30 0 0 2 3 1977-2012
Illinois
0 49 1 4 2 1 1977-2012
Indiana
1 16 0 0 1 0 1977-2012
Kansas
27 37 19 46 22 47 1977-2012
Kentucky
0 14 1 0 1 1 1977-2012
Louisiana
48 74 45 60 29 46 1981-2012
North
5 7 1 8 2 4 1977-2012
South Onshore
34 58 39 45 23 32 1977-2012
State Offshore
9 9 5 7 4 10 1981-2012
Michigan
6 8 17 1 3 2 1977-2012
Mississippi
9 16 6 6 11 28 1977-2012
Montana
35 93 47 44 51 38 1977-2012
Nebraska
0 0 0 0 0 0 1977-2012
New Mexico
62 79 66 56 69 126 1977-2012
East
61 76 66 56 69 126 1977-2012
West
1 3 0 0 0 0 1977-2012
North Dakota
28 111 68 474 494 369 1977-2012
Ohio
11 6 0 0 1 0 1977-2012
Oklahoma
50 148 57 52 74 158 1977-2012
Pennsylvania
4 2 2 6 1 10 1977-2012
Texas
241 848 196 315 593 816 1977-2012
RRC District 1
2 8 18 7 51 158 1977-2012
RRC District 2 Onshore
2 11 0 1 8 36 1977-2012
RRC District 3 Onshore
27 36 19 15 15 27 1977-2012
RRC District 4 Onshore
4 4 3 1 98 3 1977-2012
RRC District 5
1 3 1 2 2 2 1977-2012
RRC District 6
7 20 16 12 16 17 1977-2012
RRC District 7B
1 8 6 2 2 3 1977-2012
RRC Distict 7C
16 24 17 31 110 131 1977-2012
RRC District 8
84 236 93 143 198 322 1977-2012
RRC District 8A
89 451 14 60 67 65 1977-2012
RRC District 9
1 35 4 14 12 15 1977-2012
RRC District 10
6 12 5 27 13 36 1977-2012
State Offshore
1 0 0 0 1 1 1977-2012
Utah
3 92 1 18 20 14 1977-2012
West Virginia
0 5 4 0 0 1 1977-2012
Wyoming
34 115 21 45 47 35 1977-2012
Miscellaneous
0 5 2 1 2 7 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