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Madera County, CA oil and gas wells

299 wells: 17 active, 262 plugged, run by 86 operators.

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

Top operators in Madera

OperatorActiveWells here
Gill Ranch Storage, LLC1724
Shell Western E&P Inc.023
Freeport-McMoRan Oil & Gas LLC016
Chevron U.S.A. Inc.014
Chowchilla Gas Company013
United Energy Inc.013
Vern Jones Oil & Gas Corp.012
Vintage Petroleum, Inc.011
Petrogulf Corporation09
Shanley-Montara Petro. Co.09
Armstrong Petroleum Corporation08
Phillips Petroleum Company07
Harcor Energy Inc.06
Tri-Valley Oil & Gas Co.06
Allied Energy Corp.05
Great Basins Petroleum Co.05
Texalta Oil And Gas, Inc.05
Trico Industries Inc05
Noble Energy, Inc.04
Anschutz Expl. Corp.03
Atlantic Oil Company03
California Resources Production Corporation03
Cimarex Energy Co.03
Conoco Inc.03
D. J. Pickrell03

Wells

Not plugged · All wells · Plugged · Orphaned

WellAPI / IDStatusTypeOperator
Stone 2-1 04-039-00073Plugged Dry holeShanley-Montara Petro. Co.
Stone 1-2 04-039-00074Plugged Dry holeShanley-Montara Petro. Co.
Stone 1-11 04-039-00075Plugged Dry holeShanley-Montara Petro. Co.
Stone 1-12 04-039-00076Plugged Dry holeShanley-Montara Petro. Co.
Stone 1-7 04-039-00079Plugged GasUnited Energy Inc.
Stone 2-7 04-039-00080Plugged Oil & gasShanley-Montara Petro. Co.
Stone 3-7 04-039-00081Plugged Dry holeShanley-Montara Petro. Co.
Stone 4-7 04-039-00082Plugged GasUnited Energy Inc.
Stone 2-11 04-039-00143Plugged Dry holeShanley-Montara Petro. Co.
Stone 2 04-039-20061Plugged GasVern Jones Oil & Gas Corp.
Stone 3 04-039-20063Plugged GasVern Jones Oil & Gas Corp.
Stone 1 04-039-20069Plugged Dry holeFreeport-McMoRan Oil & Gas LLC
Stone 4-35 04-039-20079Plugged GasFreeport-McMoRan Oil & Gas LLC
Stone 1-31 04-039-20104Plugged GasVern Jones Oil & Gas Corp.
Stone Ranch 1-13 04-039-20095Plugged GasCimarex Energy Co.
Strathearn 1 04-039-00060Plugged Dry holeLowry R Lytle
Strathearn 2 04-039-00133Plugged Dry holeTrico Industries Inc
Stratigraphic Test 1 04-039-00084Plugged Dry holeShell Western E&P Inc.
Stratigraphic Test 35 04-039-00086Plugged Dry holeShell Western E&P Inc.
Stratigraphic Test 2 04-039-00090Plugged Dry holeShell Western E&P Inc.
Stratigraphic Test 4 04-039-00091Plugged Dry holeShell Western E&P Inc.
Stratigraphic Test 11 04-039-00097Plugged Dry holeShell Western E&P Inc.
Stratigraphic Test 4 04-039-00098Plugged Dry holeShell Western E&P Inc.
Stratigraphic Test 8 04-039-00099Plugged Dry holeShell Western E&P Inc.
Stratigraphic Test 3A 04-039-00100Plugged Dry holeShell Western E&P Inc.
Stratigraphic Test 14A-2 04-039-00101Plugged Dry holeShell Western E&P Inc.
Stratigraphic Test 5 04-039-00103Plugged Dry holeShell Western E&P Inc.
Stratigraphic Test 31 04-039-00104Plugged Dry holeShell Western E&P Inc.
Stratigraphic Test 7 04-039-00134Plugged Dry holeShell Western E&P Inc.
Stratigraphic Test 9 04-039-00135Plugged Dry holeShell Western E&P Inc.
Stratigraphic Test 36 04-039-00136Plugged Dry holeShell Western E&P Inc.
Stratigraphic Test 10 04-039-00154Plugged Dry holeShell Western E&P Inc.
Sunland-Gill 1-14 04-039-00160Plugged Dry holeRichard S. Rheem, Operator
Sunray-Honolulu Chowchilla Far 1 04-039-00125Plugged Dry holeOryx Energy Company
T & G 1 04-039-20024Plugged Dry holeTexalta Oil And Gas, Inc.
T & G 2 04-039-20025Plugged GasTexalta Oil And Gas, Inc.
T & G 3 04-039-20026Plugged GasUnited Energy Inc.
T & G 4 04-039-20028Plugged GasUnited Energy Inc.
T & G 5 04-039-20035Plugged GasUnited Energy Inc.
Texas-Cook L&C 1 04-039-00130Plugged Dry holeTrico Industries Inc
Triangle T 1 04-039-20019Plugged Dry holeAtlantic Oil Company
Triangle T 1-26 04-039-20047Plugged Dry holeNordic Oil Company
Triangle T 1-29 04-039-20072Plugged GasLario Oil & Gas Co.
Triangle T 1-33 04-039-20075Plugged GasPetrogulf Corporation
Triangle T 1-28 04-039-20086Plugged GasLario Oil & Gas Co.
Triangle T 2-33 04-039-20091Plugged GasPetrogulf Corporation
Triangle T 3-33 04-039-20092Plugged GasNoble Energy, Inc.
Triangle T Ranch 1 04-039-20027Plugged Dry holePhelps Dodge Fuel Dev.
Triangle-A 1 04-039-20052Plugged Dry holeVern Jones Oil & Gas Corp.
Trico-Cox 1 04-039-20002Plugged Dry holeAlpine Oil & Gas Corp.
Turnbow 1 04-039-00121Plugged Dry holeGreat Basins Petroleum Co.
Turnbow 2 04-039-00122Plugged Dry holeGreat Basins Petroleum Co.
U.S. Royalties 1-18 04-039-00059Plugged Dry holeBeach, Church & Bell
U.S. Royalty 77-17 04-039-00035Plugged Oil & gasKenyon C. Sills, Operator, Inc.
U.S. Royalty 1 04-039-00063Plugged GasKenyon C. Sills, Operator, Inc.
U.S. Royalty 2-17 04-039-20005Plugged GasKenyon C. Sills, Operator, Inc.
U.S. Royalty BCB 1 04-039-00062Plugged GasUnited Energy Inc.
Ude 1M 04-039-00110Plugged Dry holeW. R. Ude & Co.
Union-NLF-Gill 1-35 04-039-00148Plugged Dry holePennant Operating Company
WCC 1-7 04-039-20046Plugged Oil & gasTexalta Oil And Gas, Inc.
Wick 55X-7 04-039-20087Plugged Oil & gasAnschutz Expl. Corp.
Wick 18-34 04-039-20090Plugged GasAnschutz Expl. Corp.

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