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Crude Oil Proved Reserves, Reserves Changes, and Production
(Million Barrels)
Data Series: Period:
 Annual 
 Show Data By:
Data Series Area
2014 2015 2016 2017 2018 2019 View
History
U.S. Total
36,385 32,318 32,773 39,160 43,824 44,191 1899-2019
Federal Offshore
4,849 4,335 4,033 4,789 5,285 5,103 1980-2019
Pacific (California)
318 253 50 81 252 165 1977-2019
Gulf of Mexico (Louisiana & Alabama)
4,244 3,825 3,678 4,464 4,765 4,712 1981-2019
Gulf of Mexico (Texas)
287 257 305 244 268 226 1977-2019
Alaska
2,855 2,034 1,572 2,016 2,421 2,680 1977-2019
Lower 48 States
33,530 30,284 31,201 37,144 41,403 41,511 1977-2019
Alabama
66 64 43 43 48 39 1977-2019
Arkansas
65 51 40 37 33 33 1977-2019
California
2,854 2,333 1,933 2,209 2,296 2,213 1977-2019
Coastal Region Onshore
584 485 412 433 469 422 1977-2019
Los Angeles Basin Onshore
232 152 95 154 170 163 1977-2019
San Joaquin Basin Onshore
1,824 1,543 1,263 1,475 1,468 1,450 1977-2019
State Offshore
214 153 163 147 189 178 1977-2019
Colorado
1,200 1,212 1,267 1,528 1,592 1,414 1977-2019
Florida
70 16 14 W W W 1977-2019
Illinois
34 31 36 38 W W 1977-2019
Indiana
8 8 4 5 W W 1977-2019
Kansas
414 337 358 304 330 313 1977-2019
Kentucky
16 10 10 8 9 8 1977-2019
Louisiana
534 424 408 418 412 389 1981-2019
North
118 89 71 85 84 69 1977-2019
South Onshore
349 276 283 275 260 266 1977-2019
State Offshore
67 59 54 58 68 54 1981-2019
Michigan
53 43 51 54 40 48 1977-2019
Mississippi
230 158 126 121 132 114 1977-2019
Montana
444 326 285 302 279 298 1977-2019
Nebraska
15 17 14 13 15 12 1977-2019
New Mexico
1,476 1,486 1,549 2,581 3,240 3,456 1977-2019
East
1,412 1,433 1,500 2,503 3,185 3,403 1977-2019
West
64 53 49 78 55 53 1977-2019
North Dakota
6,043 5,193 5,256 5,473 5,895 5,897 1977-2019
Ohio
78 62 38 47 80 88 1977-2019
Oklahoma
1,241 1,262 1,693 1,917 2,120 2,047 1977-2019
Pennsylvania
22 13 2 11 8 16 1977-2019
Texas
12,272 11,759 12,859 15,936 18,043 18,622 1977-2019
RRC District 1
2,495 2,324 2,414 2,454 2,564 2,697 1977-2019
RRC District 2 Onshore
1,404 1,145 1,088 1,214 1,216 1,289 1977-2019
RRC District 3 Onshore
546 436 526 772 781 611 1977-2019
RRC District 4 Onshore
34 30 31 24 30 26 1977-2019
RRC District 5
57 46 47 43 37 53 1977-2019
RRC District 6
179 123 109 114 124 93 1977-2019
RRC District 7B
144 118 100 126 100 113 1977-2019
RRC Distict 7C
1,276 1,091 1,280 1,397 1,268 1,255 1977-2019
RRC District 8
4,083 4,692 5,533 7,819 9,986 10,728 1977-2019
RRC District 8A
1,663 1,476 1,452 1,631 1,630 1,498 1977-2019
RRC District 9
194 140 124 150 117 112 1977-2019
RRC District 10
196 137 155 192 190 147 1977-2019
State Offshore
1 1 0 0 0 0 1977-2019
Utah
555 389 372 285 401 275 1977-2019
West Virginia
11 12 6 9 7 13 1977-2019
Wyoming
953 725 791 943 1,030 1,013 1977-2019
- = No Data Reported;  -- = Not Applicable;  NA = Not Available;  W = Withheld to avoid disclosure of individual company data.
Notes: W -- Individual state volumes are withheld to avoid disclosure of operator-level reserves data, due to statistical precision requirements, or due to other data quality reasons. The individual state volumes are included in the U.S. Total volume. The volumes in the table above are crude oil ONLY (aka Black Oil), excluding lease condensate. The production estimates in this table are based on data reported on Form EIA-23L, "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: 1/11/2021
Next Release Date: 12/20/2021