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Mercer County, PA oil and gas wells

4,790 wells: 3,167 active, 441 plugged, 162 orphaned, run by 153 operators.

Figures from the Pennsylvania Department of Environmental Protection, updated 2026-10-19.

Top operators in Mercer

OperatorActiveWells here
DIVERSIFIED PROD LLC1,0651,151
DIAMOND ENERGY PARTNERS LLC565569
OWS ACQUISITION CO LLC393395
JMG ENERGY LLC177178
OWS ENERGY LLC145145
ALLEN ENERGY LLC122122
COBRA RESOURCES LLC107124
LEGACY OGC LLC9292
DJR WELL SERVICES INC9194
NATL FUEL GAS SUPPLY CORP6483
DVY ENERGY LLC5555
WES OIL & GAS LLC5252
HILCORP ENERGY CO4870
BOCOR HOLDINGS LLC3944
PIN OAK ENERGY PARTNERS LLC3738
MCCOMB OIL INC2225
EVERFLOW EASTERN INC1925
MILLENNIUM OIL & GAS INC1517
ENERGY EXPLORATION & DEV LTD1112
PM BORTZ & ASSOC23
ALLEN DANIEL W22
GERALD MCDOWELL22
HULSE RONALD D22
ROLLINS LESTER G22
WINNER JAMES JR22

Wells

Not plugged · All wells · Plugged · Orphaned

WellAPI / IDStatusTypeOperator
FRIEDE J 4 37-085-23942Active GasDIAMOND ENERGY PARTNERS LLC
FRIEDE J 5 37-085-23939Active GasDIAMOND ENERGY PARTNERS LLC
FRIEDE J 6 37-085-23968Active GasDIAMOND ENERGY PARTNERS LLC
FRIEDE J 8 37-085-24034Active GasDIAMOND ENERGY PARTNERS LLC
FRIEDE J UNIT 7 37-085-24040Active GasDIAMOND ENERGY PARTNERS LLC
FRIEDE J UNIT 9 37-085-24098Active GasDIAMOND ENERGY PARTNERS LLC
FRIEDEMANN 1 37-085-21711Active Oil & gasDIVERSIFIED PROD LLC
FRITZ UNIT 1 37-085-23868Active GasCOBRA RESOURCES LLC
FRY 1 37-085-23426Active GasDIAMOND ENERGY PARTNERS LLC
FRY UNIT 2 37-085-23328Active GasCOBRA RESOURCES LLC
FRYE 2 37-085-24038Active GasDIAMOND ENERGY PARTNERS LLC
FUREY UNIT 1 37-085-20940Active GasOWS ACQUISITION CO LLC
FUREY UNIT 2 37-085-21062Active GasOWS ACQUISITION CO LLC
FUTURE HOLDINGS 1 37-085-23201Active Oil & gasDJR WELL SERVICES INC
G BROMLEY 1 37-085-22756Active Oil & gasDIAMOND ENERGY PARTNERS LLC
G BURNWORTH 1 37-085-22935Active GasJMG ENERGY LLC
G JOHNSON 1A 37-085-22766Active Oil & gasALLEN ENERGY LLC
G JOHNSON 2 37-085-22712Active Oil & gasALLEN ENERGY LLC
G JOHNSON 3 37-085-23312Active GasALLEN ENERGY LLC
G KING UNIT 1 37-085-22490Active GasALLEN ENERGY LLC
G KING UNIT 2 37-085-22481Active GasALLEN ENERGY LLC
G LIGHTCAP 1 37-085-23123Active Oil & gasALLEN ENERGY LLC
G MCCONNELL 1 37-085-20516Active GasWILLIAM G MCCONNELL ET AL
G MITCHELL UNIT 1 37-085-20527Active GasDIAMOND ENERGY PARTNERS LLC
G R D C 1 37-085-24002Active GasDIAMOND ENERGY PARTNERS LLC
G R OWENS 1 (MFA-2-R) 37-085-00179Orphaned UnknownPA DEP OFC OIL & GAS MGMT
G R OWENS 10 (MFA-2-R) 37-085-00182Active OilMCCOMB OIL INC
G R OWENS 4 (MFA-2-R) 37-085-00183Active OilMCCOMB OIL INC
G R OWENS 7 (MFA-2-R) 37-085-00180Orphaned UnknownPA DEP OFC OIL & GAS MGMT
G R OWENS 9 (MFA-2-R) 37-085-00181Orphaned UnknownPA DEP OFC OIL & GAS MGMT
G RADEMACHER 1 37-085-21540Active GasDIVERSIFIED PROD LLC
G RADEMACHER 2 37-085-21541Active GasDIVERSIFIED PROD LLC
G RADEMACHER 3 37-085-21611Active GasDIVERSIFIED PROD LLC
G ROSTRON 1 37-085-22765Active Oil & gasJMG ENERGY LLC
G ROSTRON 2 37-085-22801Active Oil & gasJMG ENERGY LLC
G ROSTRON UNIT 3 37-085-22821Active Oil & gasJMG ENERGY LLC
G SLATER 1 37-085-22120Active GasDIAMOND ENERGY PARTNERS LLC
G SLATER 2 37-085-22057Active GasDIAMOND ENERGY PARTNERS LLC
G SLATER UNIT 1 37-085-22290Active GasDIVERSIFIED PROD LLC
G STEVENSON 1 37-085-20445Active GasDIAMOND ENERGY PARTNERS LLC
G WALKER 1 37-085-21739Active GasDIVERSIFIED PROD LLC
G WEAVER UNIT 1HB 37-085-23590Active GasDIAMOND ENERGY PARTNERS LLC
G YATSKO 1 37-085-22659Active Oil & gasDIAMOND ENERGY PARTNERS LLC
G YEAGLEY 1 37-085-23223Active GasALLEN ENERGY LLC
G YEAGLEY 2 37-085-23232Active GasALLEN ENERGY LLC
G YEAGLEY 3 37-085-23233Active GasALLEN ENERGY LLC
G. SNYDER 6 37-085-20931Active Oil & gasDIVERSIFIED PROD LLC
G. SNYDER UNIT 5 37-085-20929Active Oil & gasDIVERSIFIED PROD LLC
G. THEOFILOS UNIT 1 37-085-21222Active Oil & gasEVERFLOW EASTERN INC
G. WANSACK UNIT 1 37-085-20994Active Oil & gasEVERFLOW EASTERN INC
GAINES 1 37-085-20847Active Oil & gasDIVERSIFIED PROD LLC
GAINES 1 37-085-24299Active Oil & gasDIAMOND ENERGY PARTNERS LLC
GAINES 2 37-085-24357Active Oil & gasDIAMOND ENERGY PARTNERS LLC
GALL 1 37-085-22628Active Oil & gasDIVERSIFIED PROD LLC
GALL UNIT 2 37-085-22641Active Oil & gasDIVERSIFIED PROD LLC
GALLAGHER 1 37-085-23280Active GasCOBRA RESOURCES LLC
GARDILL 1 37-085-22737Active Oil & gasDIVERSIFIED PROD LLC
GARGANO M UNIT 1 37-085-24526Active GasWES OIL & GAS LLC
GARRETT 1 37-085-21348Active Oil & gasDIVERSIFIED PROD LLC
GARRETT 2 37-085-22782Active Oil & gasDIVERSIFIED PROD LLC
GARRETT UNIT 3 37-085-22994Active Oil & gasDIVERSIFIED PROD LLC
GARRETT UNIT 4 37-085-22958Active Oil & gasDIVERSIFIED PROD LLC
GARRETT UNIT 5 37-085-22787Active Oil & gasDIVERSIFIED PROD LLC
GARVIS 1 37-085-21947Temporarily abandoned Oil & gasDIVERSIFIED PROD LLC
GARVIS 2 37-085-22028Active Oil & gasDIVERSIFIED PROD LLC
GARVIS UNIT 3 37-085-22149Active Oil & gasDIVERSIFIED PROD LLC
GARY & MICHAELEEN SMOKER 2 37-085-21770Active Oil & gasOWS ACQUISITION CO LLC
GATEWOOD 1 37-085-22271Active Oil & gasDIVERSIFIED PROD LLC
GEARHART 1 37-085-22790Active Oil & gasDIVERSIFIED PROD LLC
GEDDES UNIT 1 37-085-22964Active GasOWS ENERGY LLC
GEIWITZ 2 37-085-21752Active Oil & gasDIVERSIFIED PROD LLC
GEIWITZ UNIT 1 37-085-20146Active GasOWS ACQUISITION CO LLC
GEIWITZ UNIT 1 37-085-21423Active Oil & gasDIVERSIFIED PROD LLC
GENEVA MAE NIXON 1 37-085-20011Orphaned GasSHENANGO GAS CO
GEO & MARGUERITE NIXON 1 37-085-20010Orphaned GasSHENANGO GAS CO
GEO J FOBES 1 37-085-20364Active GasJEROME K & ROSEMARY GRABER
GEO L & MARG CLAYTON 1M 37-085-20184Orphaned OilMAGI OIL INC
GEO MERRIFIELD 1 37-085-20028Active Dry holePM BORTZ & ASSOC
GEORGE & ANN HOVIS 1 37-085-21822Active Oil & gasOWS ACQUISITION CO LLC
GEORGE & JOSEPH MCBURNEY 1 37-085-20041Active Dry holeRE FOX & ASSOC INC
GEORGE 1 37-085-22403Active Oil & gasDIVERSIFIED PROD LLC
GEORGE 2A 37-085-22515Active Oil & gasDIVERSIFIED PROD LLC
GEORGE CARR 1 37-085-22965Active Oil & gasCOBRA RESOURCES LLC
GEORGE FERRIS 4908 37-085-00107Active StorageNATL FUEL GAS SUPPLY CORP
GEORGE FERRIS 4909 37-085-00108Active StorageNATL FUEL GAS SUPPLY CORP
GEORGE HUNTER 1 37-085-20608Active Oil & gasDIVERSIFIED PROD LLC
GEORGE JUNIOR REPUBLIC REALTY INC 1 37-085-21893Active GasOWS ACQUISITION CO LLC
GEORGE JUNIOR REPUBLIC REALTY INC 4 37-085-21897Active GasOWS ACQUISITION CO LLC
GEORGE JUNIOR REPUBLIC REALTY INC 5 37-085-21906Active GasOWS ACQUISITION CO LLC
GEORGE R UNIT 1 WE 37-085-24152Active GasDIAMOND ENERGY PARTNERS LLC
GEORGE T ROUNDS 1MC6 37-085-20235Active GasDJR WELL SERVICES INC
GERALD S MCDOWELL 1 37-085-20123Active GasGERALD MCDOWELL
GERMANO 1 37-085-20649Active GasDJR WELL SERVICES INC
GERMANO 2 37-085-20650Active GasDJR WELL SERVICES INC
GERMANO UNIT 1 37-085-20964Active Oil & gasDIVERSIFIED PROD LLC
GERTRUDE V. FORD 1 37-085-21007Active GasOWS ENERGY LLC
GIDEON BYLER 1 37-085-20390Active GasDIVERSIFIED PROD LLC
GILDERSLEEVE UNIT 1 37-085-22256Active Oil & gasDIVERSIFIED PROD LLC
GILL MCMANUS UNIT 1HB 37-085-23666Active GasDIAMOND ENERGY PARTNERS LLC
GILL MCMANUS UNIT 2HB 37-085-23667Active GasDIAMOND ENERGY PARTNERS LLC

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