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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
-620 516 1,155 262 822 551 1977-2018
Federal Offshore
-246 129 -16 -15 175 35 1980-2018
Pacific (California)
13 0 32 -24 26 -6 1977-2018
Gulf of Mexico (Louisiana & Alabama)
-264 121 -44 13 148 42 1981-2018
Gulf of Mexico (Texas)
5 8 -4 -4 1 -1 1977-2018
Alaska
1 1 2 -75 6 3 1977-2018
Lower 48 States
-621 515 1,153 337 816 548 1977-2018
Alabama
-10 10 6 -13 -1 1 1977-2018
Arkansas
-21 22 15 3 2 4 1977-2018
California
-51 15 35 19 90 -37 1977-2018
Coastal Region Onshore
-6 3 -16 11 12 18 1977-2018
Los Angeles Basin Onshore
-7 3 -19 11 32 3 1977-2018
San Joaquin Basin Onshore
-39 5 70 -69 108 -58 1977-2018
State Offshore
1 4 0 66 -62 0 1977-2018
Colorado
-42 118 104 49 149 33 1977-2018
Florida
-1 -1 0 0 W W 1977-2018
Illinois
-6 -8 10 6 0 W 1977-2018
Indiana
-4 0 2 -2 0 W 1977-2018
Kansas
-34 -4 25 80 1 48 1977-2018
Kentucky
8 0 -3 1 -2 1 1977-2018
Louisiana
7 23 -9 43 -10 18 1981-2018
North
13 12 -13 3 11 8 1977-2018
South Onshore
1 15 0 35 -25 0 1977-2018
State Offshore
-7 -4 4 5 4 10 1981-2018
Michigan
10 -6 -6 10 6 7 1977-2018
Mississippi
-23 13 14 -23 10 17 1977-2018
Montana
-9 -2 9 19 12 16 1977-2018
Nebraska
-3 1 4 -1 1 3 1977-2018
New Mexico
-16 27 36 -52 97 9 1977-2018
East
-11 28 41 -52 84 7 1977-2018
West
-5 -1 -5 0 13 2 1977-2018
North Dakota
-49 -69 218 -110 79 251 1977-2018
Ohio
-11 -16 15 -12 30 0 1977-2018
Oklahoma
0 -43 66 57 27 99 1977-2018
Pennsylvania
-4 8 5 -10 12 -6 1977-2018
Texas
-120 213 462 347 168 20 1977-2018
RRC District 1
-49 88 164 -16 29 123 1977-2018
RRC District 2 Onshore
-55 -25 11 146 38 49 1977-2018
RRC District 3 Onshore
-8 -20 19 2 -47 -3 1977-2018
RRC District 4 Onshore
0 0 3 1 5 -1 1977-2018
RRC District 5
4 4 2 -3 13 -1 1977-2018
RRC District 6
-26 16 -11 11 9 21 1977-2018
RRC District 7B
-36 37 12 -3 20 -8 1977-2018
RRC Distict 7C
-25 31 -9 -13 25 -148 1977-2018
RRC District 8
34 7 206 175 65 -54 1977-2018
RRC District 8A
26 36 51 37 15 42 1977-2018
RRC District 9
35 19 15 5 -7 3 1977-2018
RRC District 10
-19 20 -2 6 3 -3 1977-2018
State Offshore
-1 0 1 -1 0 0 1977-2018
Utah
2 -7 14 -8 -64 31 1977-2018
West Virginia
10 -2 -2 -5 8 -1 1977-2018
Wyoming
-10 107 139 -43 -12 27 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