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San Luis Obispo County, CA oil and gas wells

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

OperatorActiveWells here
Sentinel Peak Resources California LLC248525
E & B Natural Resources Management Corporation1171
Chevron U.S.A. Inc.9202
Union Oil Company of California0334
Shell Western E&P Inc.0139
Phillips Petroleum Company056
Grace Petroleum Corp.051
Arco Oil and Gas Co.048
Deuel Petroleum Company, Inc.024
C. W. Colgrove023
Exxon Mobil Corporation021
Aera Energy LLC020
J.P. Oil Company, LLC020
Freeport-McMoRan Oil & Gas LLC019
Marathon Oil Company017
Alfred M. Hammerslough09
R. K. Cross Opr07
Arco Western Energy Co.05
Conoco Inc.05
Daleco Resources05
Gene Reid Drilling, Inc.05
J. D. Martin05
Amerada Hess Corp., Unit Operator04
Chanslor-Western Oil & Development Company04
Evans & Carey, Inc.04

Wells

Not plugged · All wells · Plugged · Orphaned

WellAPI / IDStatusTypeOperator
Maino 19J-1 04-079-20644Active Oil & gasSentinel Peak Resources California LLC
Maino 19L-1 04-079-20645Active Oil & gasSentinel Peak Resources California LLC
Maino 17N 04-079-20661Active Oil & gasSentinel Peak Resources California LLC
Maino 19N 04-079-20666Active Oil & gasSentinel Peak Resources California LLC
Maino 21L 04-079-20675Shut in Oil & gasSentinel Peak Resources California LLC
Maino 20K 04-079-20688Active Oil & gasSentinel Peak Resources California LLC
Maino 17M 04-079-20718Active Oil & gasSentinel Peak Resources California LLC
Maino 18LL 04-079-20720Active ServiceSentinel Peak Resources California LLC
Maino 19N-1 04-079-20735Active Oil & gasSentinel Peak Resources California LLC
Maino 16L 04-079-20761Shut in Oil & gasSentinel Peak Resources California LLC
Maino 17K 04-079-20762Shut in Oil & gasSentinel Peak Resources California LLC
Maino 17-5L 04-079-20784Shut in InjectionSentinel Peak Resources California LLC
Maino 16 SIL 04-079-20807Active InjectionSentinel Peak Resources California LLC
Maino 17 SPM 04-079-20810Active InjectionSentinel Peak Resources California LLC
Maino 17-2 SPM 04-079-20820Active Oil & gasSentinel Peak Resources California LLC
Maino 18 SPM 04-079-20821Shut in Oil & gasSentinel Peak Resources California LLC
Maino 18 SPL 04-079-20822Active Oil & gasSentinel Peak Resources California LLC
Maino 18 SPK 04-079-20823Active Oil & gasSentinel Peak Resources California LLC
Maino 18 SIM 04-079-20824Active InjectionSentinel Peak Resources California LLC
Maino 17 SPL 04-079-20825Active Oil & gasSentinel Peak Resources California LLC
Maino 17-5 SPN 04-079-20826Shut in Oil & gasSentinel Peak Resources California LLC
Maino 17 SIN 04-079-20828Active InjectionSentinel Peak Resources California LLC
Maino 18 SIL 04-079-20829Active InjectionSentinel Peak Resources California LLC
Maino 19 SPL 04-079-20830Active Oil & gasSentinel Peak Resources California LLC
Maino 17 SPN 04-079-20844Active Oil & gasSentinel Peak Resources California LLC
Maino 18-2 SPM 04-079-20845Shut in Oil & gasSentinel Peak Resources California LLC
Maino 19 SPK 04-079-20869Shut in Oil & gasSentinel Peak Resources California LLC
Maino 18 SPN 04-079-20871Active Oil & gasSentinel Peak Resources California LLC
Maino 18 SIN 04-079-20875Active InjectionSentinel Peak Resources California LLC
Maino 17 SIM 04-079-20876Shut in InjectionSentinel Peak Resources California LLC
Maino 17 SIL 04-079-20877Active InjectionSentinel Peak Resources California LLC
Maino 17 SPP 04-079-20893Shut in Oil & gasSentinel Peak Resources California LLC
Maino 17-5J 04-079-21079Active Oil & gasSentinel Peak Resources California LLC
Maino 17 SIK 04-079-21080Shut in InjectionSentinel Peak Resources California LLC
Maino 18-2K 04-079-21081Active Oil & gasSentinel Peak Resources California LLC
Maino 18-5K 04-079-21082Active Oil & gasSentinel Peak Resources California LLC
Maino 19-2M 04-079-21083Active Oil & gasSentinel Peak Resources California LLC
Maino 19-2N 04-079-21084Active Oil & gasSentinel Peak Resources California LLC
Maino 19-5M 04-079-21085Active Oil & gasSentinel Peak Resources California LLC
Maino 19M 04-079-21086Active Oil & gasSentinel Peak Resources California LLC
Maino 19 SIM 04-079-21087Active InjectionSentinel Peak Resources California LLC
Maino 19 SIN 04-079-21088Shut in InjectionSentinel Peak Resources California LLC
Maino 18 SIK 04-079-21098Active InjectionSentinel Peak Resources California LLC
Maino 18-3K 04-079-21099Active Oil & gasSentinel Peak Resources California LLC
Maino 19K 04-079-21100Active Oil & gasSentinel Peak Resources California LLC
Maino 20L 04-079-21101Active Oil & gasSentinel Peak Resources California LLC
Maino 20L-1 04-079-21102Active Oil & gasSentinel Peak Resources California LLC
Maino 20L-2 04-079-21103Shut in Oil & gasSentinel Peak Resources California LLC
Maino 20 SIL 04-079-21104Active InjectionSentinel Peak Resources California LLC
Maino 17 SIH 04-079-21109Active InjectionSentinel Peak Resources California LLC
Maino 17 SIJ 04-079-21110Active InjectionSentinel Peak Resources California LLC
Maino 18H 04-079-21123Active Oil & gasSentinel Peak Resources California LLC
Maino 20SIM 04-079-21207Shut in InjectionSentinel Peak Resources California LLC
Maino 16SIK 04-079-21210Active InjectionSentinel Peak Resources California LLC
Maino 16J-1 04-079-21212Active InjectionSentinel Peak Resources California LLC
Maino 16J-2 04-079-21213Active InjectionSentinel Peak Resources California LLC
Maino 19H-3 04-079-21235Shut in OtherSentinel Peak Resources California LLC
Maino 19HJ-1 04-079-21236Active Oil & gasSentinel Peak Resources California LLC
Maino 19HJ-2 04-079-21237Shut in OtherSentinel Peak Resources California LLC
Maino 19K-1 04-079-21238Active Oil & gasSentinel Peak Resources California LLC
Maino 19K-2 04-079-21239Active Oil & gasSentinel Peak Resources California LLC
Maino 19K-3 04-079-21240Active InjectionSentinel Peak Resources California LLC
Maino 19SIK 04-079-21241Active InjectionSentinel Peak Resources California LLC
Maino 18SIG 04-079-21246Shut in InjectionSentinel Peak Resources California LLC
Maino 19SIH 04-079-21247Active InjectionSentinel Peak Resources California LLC
Maino 18HJ-1 04-079-21258Active Oil & gasSentinel Peak Resources California LLC
Maino 18J-1 04-079-21259Shut in OtherSentinel Peak Resources California LLC
Maino 19SIJ 04-079-21260Shut in InjectionSentinel Peak Resources California LLC
Maino 17-6 SPL R 04-079-21266Active InjectionSentinel Peak Resources California LLC
Maino 18M R 04-079-21273Active InjectionSentinel Peak Resources California LLC
Maino 18K R 04-079-21274Active InjectionSentinel Peak Resources California LLC
Maino 11 RD R 04-079-21275Active InjectionSentinel Peak Resources California LLC
Maino 18 LL R 04-079-21279Active InjectionSentinel Peak Resources California LLC
Maino 13R 04-079-21293Permitted Oil & gasSentinel Peak Resources California LLC
Maino 17-5SPKR 04-079-21294Active Oil & gasSentinel Peak Resources California LLC
Maino 17-5SPMR 04-079-21295Permitted Oil & gasSentinel Peak Resources California LLC
Maino 17H-2R 04-079-21296Permitted Oil & gasSentinel Peak Resources California LLC
Morales Canyon 1 04-079-20768Shut in Oil & gasE & B Natural Resources Management Corporation
Morales Canyon 4 04-079-20770Shut in Oil & gasE & B Natural Resources Management Corporation
Morales Canyon 3 04-079-20795Shut in Oil & gasE & B Natural Resources Management Corporation
Morales Canyon 2 04-079-20848Shut in Oil & gasE & B Natural Resources Management Corporation
Morehouse 2 04-079-00651Shut in Oil & gasSentinel Peak Resources California LLC
Morehouse 16 04-079-20504Shut in Oil & gasSentinel Peak Resources California LLC
Morehouse 303 04-079-20788Shut in InjectionSentinel Peak Resources California LLC
Morehouse 18G-1 04-079-21145Active Oil & gasSentinel Peak Resources California LLC
Pulas 1 04-079-20772Active Oil & gasSentinel Peak Resources California LLC
Pulas 2 04-079-20773Active Oil & gasSentinel Peak Resources California LLC
Pulas 3 04-079-20794Active Oil & gasSentinel Peak Resources California LLC
Pulas 4 04-079-21105Active DisposalSentinel Peak Resources California LLC
Pulas 6 04-079-21154Active DisposalSentinel Peak Resources California LLC
Pulas 7 04-079-21202Shut in DisposalSentinel Peak Resources California LLC
Pulas 8 04-079-21203Active DisposalSentinel Peak Resources California LLC
R. R. U. 33-25 04-079-00089Active Oil & gasE & B Natural Resources Management Corporation
R. R. U. 32-25 04-079-00090Shut in Oil & gasE & B Natural Resources Management Corporation
R. R. U. 57-25 04-079-00091Active Oil & gasE & B Natural Resources Management Corporation
R. R. U. 13-25 04-079-00908Shut in Oil & gasE & B Natural Resources Management Corporation
R. R. U. 15-30 04-079-00909Shut in InjectionE & B Natural Resources Management Corporation
R. R. U. 16-30 04-079-00910Shut in Oil & gasE & B Natural Resources Management Corporation
R. R. U. 17-30 04-079-00911Shut in Oil & gasE & B Natural Resources Management Corporation
R. R. U. 18-30 04-079-00912Shut in Oil & gasE & B Natural Resources Management Corporation

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