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Crude Oil Proved Reserves, Reserves Changes, and Production
(Million Barrels)
Data Series: Period:
 Annual 
 Show Data By:
Data Series Area
2013 2014 2015 2016 2017 2018 View
History
U.S. Total
4,030 5,315 4,192 5,224 5,504 4,290 1977-2018
Federal Offshore
629 1,011 687 789 1,063 949 1980-2018
Pacific (California)
35 19 9 8 11 186 1977-2018
Gulf of Mexico (Louisiana & Alabama)
544 625 602 615 1,004 717 1981-2018
Gulf of Mexico (Texas)
50 367 76 166 48 46 1977-2018
Alaska
87 238 119 96 557 465 1977-2018
Lower 48 States
3,943 5,077 4,073 5,128 4,947 3,825 1977-2018
Alabama
12 16 12 5 7 14 1977-2018
Arkansas
15 2 9 2 2 5 1977-2018
California
238 377 217 175 319 379 1977-2018
Coastal Region Onshore
26 37 17 16 60 59 1977-2018
Los Angeles Basin Onshore
15 5 23 14 31 32 1977-2018
San Joaquin Basin Onshore
172 324 137 119 181 244 1977-2018
State Offshore
25 11 40 26 47 44 1977-2018
Colorado
197 261 69 209 104 192 1977-2018
Florida
13 1 0 2 W W 1977-2018
Illinois
11 3 0 17 3 W 1977-2018
Indiana
1 1 0 0 1 W 1977-2018
Kansas
53 63 79 30 36 19 1977-2018
Kentucky
1 0 1 2 2 1 1977-2018
Louisiana
74 58 53 42 64 42 1981-2018
North
17 7 11 4 18 9 1977-2018
South Onshore
46 37 31 38 34 26 1977-2018
State Offshore
11 14 11 0 12 7 1981-2018
Michigan
4 3 6 5 6 3 1977-2018
Mississippi
8 12 8 21 8 11 1977-2018
Montana
75 19 13 27 28 10 1977-2018
Nebraska
4 7 4 1 0 0 1977-2018
New Mexico
183 272 163 342 149 149 1977-2018
East
163 269 148 335 143 149 1977-2018
West
20 3 15 7 6 0 1977-2018
North Dakota
991 683 374 690 406 343 1977-2018
Ohio
4 5 34 11 15 42 1977-2018
Oklahoma
109 156 133 371 280 114 1977-2018
Pennsylvania
5 4 2 1 4 2 1977-2018
Texas
1,220 1,855 2,126 2,225 2,290 1,401 1977-2018
RRC District 1
191 217 164 406 91 68 1977-2018
RRC District 2 Onshore
229 108 174 228 65 63 1977-2018
RRC District 3 Onshore
68 72 54 78 246 93 1977-2018
RRC District 4 Onshore
9 11 5 8 5 13 1977-2018
RRC District 5
1 2 20 6 3 8 1977-2018
RRC District 6
17 14 10 9 17 13 1977-2018
RRC District 7B
23 23 7 11 14 5 1977-2018
RRC Distict 7C
150 354 138 214 121 171 1977-2018
RRC District 8
378 923 1,167 1,054 1,313 855 1977-2018
RRC District 8A
96 78 365 183 338 86 1977-2018
RRC District 9
8 27 6 17 40 5 1977-2018
RRC District 10
50 25 16 11 37 21 1977-2018
State Offshore
0 1 0 0 0 0 1977-2018
Utah
51 231 15 80 23 54 1977-2018
West Virginia
4 0 4 3 1 0 1977-2018
Wyoming
38 36 61 76 128 74 1977-2018
- = 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: 12/12/2019
Next Release Date: 11/20/2020