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Santa Barbara Offshore County, CA oil and gas wells

1,074 wells: 0 active, 1,037 plugged, run by 52 operators.

Figures from the California Geologic Energy Management Division (CalGEM), updated 2026-10-19.

Top operators in Santa Barbara Offshore

OperatorActiveWells here
Chevron U.S.A. Inc.0480
Sunset Oil Company0151
Exxon Mobil Corporation074
Phillips Petroleum Company065
Aera Energy LLC049
State Lands Commission048
Union Oil Company of California047
Arco Oil and Gas Co.039
Oryx Energy Company018
Pauley Petroleum Inc.011
Atlantic Richfield Company08
North Star Wharf08
Atlantic Richfield Co.07
Shell Western E&P Inc.06
Submarine Oil Co.06
Duncan Wharf05
C. H. Olsson04
U S Natural Resources04
Conoco Inc.03
Russell L. Williams03
Unocal03
Benjamin F. Bailard02
Casitas Oil Co.02
S.B.O. & M. Co. Wharf02
Thornbury Drilling Co.02

Wells

Not plugged · All wells · Plugged · Orphaned

WellAPI / IDStatusTypeOperator
8-GW-7 7-18 04-283-04708Shut in Dry holeChevron U.S.A. Inc.
AMES 3120 5 04-283-20045Shut in Oil & gasState Lands Commission
AMES 3120 6 04-283-20055Shut in Oil & gasState Lands Commission
AMES 3120 7 04-283-20060Shut in Oil & gasState Lands Commission
AMES 3242 4 04-283-20002Shut in Oil & gasState Lands Commission
AMES 3242 8 04-283-20036Shut in DisposalState Lands Commission
AMES 3242 10 04-283-20265Shut in Oil & gasState Lands Commission
AMES 3242 19 04-283-20271Shut in Oil & gasState Lands Commission
AMES 3242 17 04-283-20275Shut in DisposalState Lands Commission
Core Hole 8R-1 04-283-04765Shut in ServiceChevron U.S.A. Inc.
Core Hole 8R-2 04-283-04766Shut in ServiceChevron U.S.A. Inc.
Core Hole 8R-3 04-283-04767Shut in ServiceChevron U.S.A. Inc.
Core Hole 8R-12 04-283-04768Shut in ServiceChevron U.S.A. Inc.
Core Hole 8R-13 04-283-04769Shut in ServiceChevron U.S.A. Inc.
Core Hole 8R-15 04-283-04770Shut in ServiceChevron U.S.A. Inc.
Duquesne Wharf 04-283-04825Shut in Oil & gasSunset Oil Company
Duquesne Wharf 04-283-04842Shut in Oil & gasSunset Oil Company
Summerland Beach Legacy Unknown Well C 04-283-21589Permitted Oil & gasState Lands Commission
Summerland Beach Legacy Unknown Well D 04-283-21590Permitted Oil & gasState Lands Commission
Well No. 1 04-283-04806Shut in Oil & gasChurchill & Weber