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San Luis Obispo County, CA oil and gas wells

Name: San Luis Obispo County, CA oil and gas wells
Creator: California Geologic Energy Management Division (CalGEM)

2,016 wells: 268 active, 1,507 plugged, run by 324 operators.

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

Top operators in San Luis Obispo

Operator	Active	Wells here
Sentinel Peak Resources California LLC	248	525
E & B Natural Resources Management Corporation	11	71
Chevron U.S.A. Inc.	9	202
Union Oil Company of California	0	334
Shell Western E&P Inc.	0	139
Phillips Petroleum Company	0	56
Grace Petroleum Corp.	0	51
Arco Oil and Gas Co.	0	48
Deuel Petroleum Company, Inc.	0	24
C. W. Colgrove	0	23
Exxon Mobil Corporation	0	21
Aera Energy LLC	0	20
J.P. Oil Company, LLC	0	20
Freeport-McMoRan Oil & Gas LLC	0	19
Marathon Oil Company	0	17
Alfred M. Hammerslough	0	9
R. K. Cross Opr	0	7
Arco Western Energy Co.	0	5
Conoco Inc.	0	5
Daleco Resources	0	5
Gene Reid Drilling, Inc.	0	5
J. D. Martin	0	5
Amerada Hess Corp., Unit Operator	0	4
Chanslor-Western Oil & Development Company	0	4
Evans & Carey, Inc.	0	4

Well	API / ID	Status	Type	Operator
No wells match.