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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
21,757 20,972 21,317 19,121 20,682 23,267 1899-2010
Lower 48 States
17,586 17,093 17,154 15,614 17,116 19,545 1977-2010
Federal Offshore
4,483 4,096 3,905 3,903 4,129 4,496 1980-2010
Pacific (California)
441 441 441 357 348 361 1977-2010
Gulf of Mexico (Louisiana)
3,852 3,500 3,320 3,388 3,570 3,914 1981-2010
Gulf of Mexico (Texas)
190 155 144 158 211 221 1977-2010
Alaska
4,171 3,879 4,163 3,507 3,566 3,722 1977-2010
Alabama
55 45 42 38 37 42 1977-2010
Arkansas
40 37 31 30 28 40 1977-2010
California
3,435 3,389 3,322 2,705 2,835 2,938 1977-2010
Coastal Region Onshore
374 375 393 255 341 478 1977-2010
Los Angeles Basin Onshore
300 364 369 188 235 257 1977-2010
San Joaquin Basin Onshore
2,556 2,448 2,351 2,125 2,095 2,036 1977-2010
State Offshore
205 202 209 137 164 167 1977-2010
Colorado
250 274 304 288 279 386 1977-2010
Florida
59 38 32 3 9 18 1977-2010
Illinois
95 89 101 54 66 64 1977-2010
Indiana
16 12 17 15 8 8 1977-2010
Kansas
281 263 206 243 259 295 1977-2010
Kentucky
23 25 24 17 20 15 1977-2010
Louisiana
432 428 458 388 370 424 1981-2010
North
68 68 76 60 55 104 1977-2010
South Onshore
299 312 326 277 269 274 1977-2010
State Offshore
65 48 56 51 46 46 1981-2010
Michigan
62 63 55 48 33 40 1977-2010
Mississippi
189 186 200 249 244 247 1977-2010
Montana
427 419 410 321 343 369 1977-2010
Nebraska
16 14 12 8 9 10 1977-2010
New Mexico
690 705 735 654 700 823 1977-2010
East
682 696 725 644 688 813 1977-2010
West
8 9 10 10 12 10 1977-2010
North Dakota
418 412 482 573 1,046 1,814 1977-2010
Ohio
46 49 48 38 38 42 1977-2010
Oklahoma
630 569 530 581 622 710 1977-2010
Pennsylvania
14 20 12 14 10 22 1977-2010
Texas
4,919 4,871 5,122 4,555 5,006 5,674 1977-2010
RRC District 1
65 76 84 92 82 228 1977-2010
RRC District 2 Onshore
62 65 62 50 51 107 1977-2010
RRC District 3 Onshore
179 180 200 170 183 197 1977-2010
RRC District 4 Onshore
40 30 30 22 18 111 1977-2010
RRC District 5
24 24 25 20 16 16 1977-2010
RRC District 6
168 157 160 143 129 136 1977-2010
RRC District 7B
80 89 93 96 97 98 1977-2010
RRC Distict 7C
245 288 326 359 475 576 1977-2010
RRC District 8
1,731 1,717 1,796 1,745 1,956 2,176 1977-2010
RRC District 8A
2,164 2,093 2,179 1,699 1,780 1,790 1977-2010
RRC District 9
103 96 115 95 124 134 1977-2010
RRC District 10
53 53 50 62 94 103 1977-2010
State Offshore
5 3 2 2 1 2 1977-2010
Utah
256 334 355 286 398 449 1977-2010
West Virginia
21 23 28 23 19 17 1977-2010
Wyoming
704 706 690 556 583 567 1977-2010
Miscellaneous
25 26 33 24 25 35 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