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Los Angeles Offshore County, CA oil and gas wells

1,547 wells: 1,184 active, 86 plugged, run by 10 operators.

Figures from the California Geologic Energy Management Division (CalGEM) (used under CC BY 4.0, reformatted, presented as is), updated 2026-11-02.

Top operators in Los Angeles Offshore

OperatorActiveWells here
THUMS Long Beach Co.1,1781,501
Tidelands Oil Production Co.69
Phillips Petroleum Company08
Chevron U.S.A. Inc.07
City of Long Beach Dept. of Gas & Oil05
Exxon Mobil Corporation05
Mobil Oil Corporation05
Westates Petroleum Co.04
Conoco Inc.02
Shell Western E&P Inc.01

Wells

Not plugged · All wells · Plugged · Orphaned

WellAPI / IDStatusTypeOperator
Lease by THUMS Long Beach Co. A-102 04-237-00601Active Oil & gas🔒 Sign in free
Lease by THUMS Long Beach Co. A-174 04-237-00603Active Oil & gas🔒 Sign in free
Lease by THUMS Long Beach Co. A-229 04-237-00604Shut in Oil & gas🔒 Sign in free
Lease by THUMS Long Beach Co. A-234 I 04-237-00605Active Injection🔒 Sign in free
Lease by THUMS Long Beach Co. A-303 04-237-00606Active Oil & gas🔒 Sign in free
Lease by THUMS Long Beach Co. A-319 I 04-237-00607Shut in Oil & gas🔒 Sign in free
Lease by THUMS Long Beach Co. A-669 04-237-00608Active Oil & gas🔒 Sign in free
Lease by THUMS Long Beach Co. A-868 I 04-237-00611Active Injection🔒 Sign in free
Lease by THUMS Long Beach Co. A-302 04-237-00794Active Oil & gas🔒 Sign in free
Lease by THUMS Long Beach Co. A-130 I 04-237-20001Active Injection🔒 Sign in free
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