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Oil Fields of Los Angeles County

Los Angeles Basin, Oil, Gas

Map of oil, gas and geothermal fields in the Los Angeles area, 2001. Courtesy of California Geologic Energy Management Division, California Department of Conservation
Click on map for larger image.


According to the State of California, there have been 221,841 oil wells recorded in California, of which, 78,606 are currently active. Of all active wells in California, 8,371 are in Los Angeles County (2,452 offshore). Los Angeles County's total 2020 oil production was 18,695,473 barrels (or more than 785 million gallons). Below are listed the 45 currently-producing oil fields in the county.

Los Angeles County Oil Fields in Descending Order by Oil Production

Note: Some oil fields listed here also show oil production figures and well numbers for counties adjacent to L.A. County. These oil fields overlap with these counties. Both numbers combined, where shown, would provide sum totals for these oil fields, across county boundaries. We ranked oil fields here by oil production in L.A. County only.


Oil Field Year Discovered Field Type 2020 Oil Production (bbl1) 2020 Active Wells
Wilmington 1932 Onshore 12,324,075 4,191
Inglewood 1948 Onshore 1,530,112 973
Long Beach 1921 Onshore 1,147,962 534
Belmont Offshore 2 1948 Offshore 544,447 (L.A. County)
8,494 (Orange County)
68 (L.A. County)
33 (Orange County)
Placerita 1920 Onshore 442,610 364
Oil Field Year Discovered Field Type 2020 Oil Production (bbl1) 2020 Active Wells
Santa Fe Springs 1919 Onshore 347,177 400
Beverly Hills 1900 Onshore 321,015 257
Torrance 1922 Onshore 256,963 247
Montebello 1917 Onshore 229,654 154
Seal Beach 2 1924 Onshore 218,511 (L.A. County)
140,049 (Orange County)
95 (L.A. County)
108 (Orange County)
Oil Field Year Discovered Field Type 2020 Oil Production (bbl1) 2020 Active Wells
Sansinena 1898 Onshore 216,082 99
San Vicente 1968 Onshore 164,308 56
Las Cienegas 1961 Onshore 101,270 95
Rosecrans 1927 Onshore 99,940 60
Whittier 1896 Onshore 94,579 37
Oil Field Year Discovered Field Type 2020 Oil Production (bbl1) 2020 Active Wells
Aliso Canyon 3 1938 Onshore 85,322 143 (L.A. County)
1 (Ventura County)
Oat Mountain 1946 Onshore 74,796 14
Cascade 1954 Onshore 70,855 28
Sawtelle 1965 Onshore 65,456 18
Playa Del Rey 1929 Onshore 48,698 83
Oil Field Year Discovered Field Type 2020 Oil Production (bbl1) 2020 Active Wells
Salt Lake 1902 Onshore 37,149 12
Cheviot Hills 1958 Onshore 35,456 27
Brea-Olinda 2 1880 Onshore 28,652 (L.A. County)
943,575 (Orange County)
7 (L.A. County)
452 (Orange County)
Del Valle 1940 Onshore 26,206 24
Los Angeles Downtown 1965 Onshore 21,714 22
Oil Field Year Discovered Field Type 2020 Oil Production (bbl1) 2020 Active Wells
Honor Rancho 1950 Onshore 18,719 53
El Segundo 1935 Onshore 16,602 6
Hasley Canyon 1944 Onshore 16,213 10
Oak Canyon 1945 Onshore 12,819 13
Wayside Canyon 1962 Onshore 9,658 5
Oil Field Year Discovered Field Type 2020 Oil Production (bbl1) 2020 Active Wells
Rosecrans, South 1939 Onshore 9,394 4
Howard Townsite 1947 Onshore 9,042 3
Bandini 1953 Onshore 8,627 14
Tapia 1957 Onshore 8,524 21
Los Angeles City 1890 Onshore 8,309 11
Oil Field Year Discovered Field Type 2020 Oil Production (bbl1) 2020 Active Wells
Salt Lake, South 1970 Onshore 8,034 2
Walnut 1948 Onshore 7,210 8
Dominguez 1923 Onshore 5,404 5
Long Beach Airport 1954 Onshore 5,258 5
Ramona 3 1943 Onshore 5,124 (L.A. County)
21,370 (Ventura County)
8 (L.A. County)
40 (Ventura County)
Oil Field Year Discovered Field Type 2020 Oil Production (bbl1) 2020 Active Wells
Old Wilmington 1932 Offshore 4,259 157
Castaic Hills 1951 Onshore 4,179 5
Hyperion 1944 Onshore 3,423 2
Newhall-Potrero 1937 Onshore 1,606 24
Los Angeles, East 1946 Onshore 60 7

(1) bbl - barrels of oil (42-gallons each)
(2) Stradles Los Angeles and Orange Counties
(3) Stradles Los Angeles and Ventura Counties

Source: California Dept. of Conservation, California Geologic Energy Management Division


Edward Doheny dug the first oil well in Los Angeles in 1892. It came to be part of what became known as the Los Angeles City Oil Field.


The Wilmington Oil Field is ranked among California's 10 largest most productive oil fields and ranks among the top 20 most productive oil fields in the nation.