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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
1,544 1,590 2,278 1,196 2,877 3,429 1977-2010
Lower 48 States
1,356 1,506 1,791 1,094 2,483 3,032 1977-2010
Federal Offshore
253 471 372 249 638 820 1980-2010
Pacific (California)
3 29 14 21 28 38 1977-2010
Gulf of Mexico (Louisiana)
206 397 335 173 576 746 1981-2010
Gulf of Mexico (Texas)
44 45 23 55 34 36 1977-2010
Alaska
188 84 487 102 394 397 1977-2010
Alabama
3 2 4 1 6 5 1977-2010
Arkansas
3 3 4 2 5 12 1977-2010
California
177 243 248 170 427 276 1977-2010
Coastal Region Onshore
12 22 44 25 105 40 1977-2010
Los Angeles Basin Onshore
26 83 24 0 98 22 1977-2010
San Joaquin Basin Onshore
95 115 160 141 192 204 1977-2010
State Offshore
44 23 20 4 32 10 1977-2010
Colorado
33 30 38 23 13 34 1977-2010
Florida
0 0 21 0 8 10 1977-2010
Illinois
3 6 10 2 12 0 1977-2010
Indiana
1 1 3 2 1 0 1977-2010
Kansas
44 23 30 40 47 49 1977-2010
Kentucky
1 1 1 11 1 1 1977-2010
Louisiana
54 47 59 36 67 120 1981-2010
North
11 5 6 2 12 67 1977-2010
South Onshore
36 37 31 28 50 42 1977-2010
State Offshore
7 5 22 6 5 11 1981-2010
Michigan
7 5 2 4 4 3 1977-2010
Mississippi
25 7 24 84 30 17 1977-2010
Montana
24 29 37 6 72 54 1977-2010
Nebraska
2 1 3 1 1 1 1977-2010
New Mexico
52 66 76 58 90 74 1977-2010
East
50 65 74 57 88 72 1977-2010
West
2 1 2 1 2 2 1977-2010
North Dakota
26 36 55 103 202 672 1977-2010
Ohio
5 5 10 5 5 2 1977-2010
Oklahoma
86 51 142 46 146 89 1977-2010
Pennsylvania
1 3 2 3 2 9 1977-2010
Texas
455 340 575 222 544 657 1977-2010
RRC District 1
5 7 15 9 18 14 1977-2010
RRC District 2 Onshore
5 7 5 1 6 10 1977-2010
RRC District 3 Onshore
19 21 25 14 26 34 1977-2010
RRC District 4 Onshore
9 2 6 3 5 97 1977-2010
RRC District 5
5 4 2 2 4 3 1977-2010
RRC District 6
6 8 33 9 14 22 1977-2010
RRC District 7B
6 25 15 5 6 8 1977-2010
RRC Distict 7C
16 15 21 11 51 63 1977-2010
RRC District 8
172 119 194 89 197 222 1977-2010
RRC District 8A
192 107 226 53 172 151 1977-2010
RRC District 9
10 8 20 10 18 8 1977-2010
RRC District 10
8 17 12 15 27 25 1977-2010
State Offshore
2 0 1 1 0 0 1977-2010
Utah
65 55 25 2 90 65 1977-2010
West Virginia
7 6 7 1 0 1 1977-2010
Wyoming
28 72 36 21 67 58 1977-2010
Miscellaneous
1 3 7 2 5 3 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