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Crude Oil Proved Reserves, Reserves Changes, and Production
(Million Barrels)
Data Series: Period:
 Annual 
 Show Data By:
Data Series Area
2010 2011 2012 2013 2014 2015 View
History
U.S. Total
1,570 3,230 3,384 3,512 4,994 9,092 1977-2015
Lower 48 States
1,494 3,101 2,933 3,120 4,798 8,282 1977-2015
Federal Offshore
177 1,400 745 349 1,141 723 1980-2015
Pacific (California)
4 15 6 26 7 95 1977-2015
Gulf of Mexico (Louisiana & Alabama)
155 1,328 717 308 796 582 1981-2015
Gulf of Mexico (Texas)
18 57 22 15 338 46 1977-2015
Alaska
76 129 451 392 196 810 1977-2015
Alabama
5 0 1 1 1 11 1977-2015
Arkansas
0 0 3 3 2 32 1977-2015
California
167 230 389 116 246 616 1977-2015
Coastal Region Onshore
39 10 16 19 25 87 1977-2015
Los Angeles Basin Onshore
2 2 36 9 27 74 1977-2015
San Joaquin Basin Onshore
125 217 318 79 187 355 1977-2015
State Offshore
1 1 19 9 7 100 1977-2015
Colorado
17 48 93 55 93 211 1977-2015
Florida
0 2 3 1 6 52 1977-2015
Illinois
4 2 1 11 1 10 1977-2015
Indiana
0 1 0 2 0 1 1977-2015
Kansas
46 22 47 48 48 148 1977-2015
Kentucky
0 1 1 1 1 3 1977-2015
Louisiana
60 29 46 49 52 109 1981-2015
North
8 2 4 3 4 18 1977-2015
South Onshore
45 23 32 42 44 82 1977-2015
State Offshore
7 4 10 4 4 9 1981-2015
Michigan
1 3 2 1 1 5 1977-2015
Mississippi
6 11 28 15 17 72 1977-2015
Montana
44 51 38 58 44 114 1977-2015
Nebraska
0 0 0 0 1 3 1977-2015
New Mexico
56 69 126 148 156 353 1977-2015
East
56 69 126 147 148 326 1977-2015
West
0 0 0 1 8 27 1977-2015
North Dakota
474 494 369 642 864 1,381 1977-2015
Ohio
0 1 0 2 8 60 1977-2015
Oklahoma
52 74 158 171 175 429 1977-2015
Pennsylvania
6 1 10 11 4 16 1977-2015
Texas
315 593 816 1,290 1,555 3,406 1977-2015
RRC District 1
7 51 158 130 229 472 1977-2015
RRC District 2 Onshore
1 8 36 255 109 338 1977-2015
RRC District 3 Onshore
15 15 27 21 58 159 1977-2015
RRC District 4 Onshore
1 98 3 4 6 6 1977-2015
RRC District 5
2 2 2 21 6 32 1977-2015
RRC District 6
12 16 17 8 13 45 1977-2015
RRC District 7B
2 2 3 8 17 25 1977-2015
RRC Distict 7C
31 110 131 252 417 459 1977-2015
RRC District 8
143 198 322 442 549 1,218 1977-2015
RRC District 8A
60 67 65 53 58 524 1977-2015
RRC District 9
14 12 15 41 15 67 1977-2015
RRC District 10
27 13 36 55 77 60 1977-2015
State Offshore
0 1 1 0 1 1 1977-2015
Utah
18 20 14 80 292 197 1977-2015
West Virginia
0 0 1 2 2 0 1977-2015
Wyoming
45 47 35 59 80 310 1977-2015
Miscellaneous
1 2 7 5 8 20 1977-2015
- = No Data Reported;  -- = Not Applicable;  NA = Not Available;  W = Withheld to avoid disclosure of individual company data.
Notes: The volumes in the table above are crude oil ONLY (aka Black Oil), excluding lease condensate. Miscellaneous includes Arizona, Idaho, 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 may 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: 12/14/2016
Next Release Date: 11/30/2017