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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
308 CONDIT RD 1 37-085-24737Orphaned UnknownPA DEP OFC OIL & GAS MGMT
A & M BRAINARD 1 37-085-20433Cancelled / expired Oil & gasATLAS RESOURCES INC
A & S MOORE 3 37-085-21280Active GasOWS ACQUISITION CO LLC
A & S MOORE 5 37-085-21361Active GasOWS ACQUISITION CO LLC
A & S WILLIAMS 1 37-085-21363Cancelled / expired GasCAPITAL OIL & GAS INC
A ARMSTRONG 1 37-085-23415Active GasALLEN ENERGY LLC
A BALLARD 1 37-085-22196Active GasDIVERSIFIED PROD LLC
A BALLARD 2 37-085-22219Cancelled / expired GasPETRO DEV CORP
A BARTMAN SER NO HB-221-46 1 37-085-20496Active GasJMG ENERGY LLC
A BYLER 1 37-085-23236Active GasDIAMOND ENERGY PARTNERS LLC
A C GRACE 1 37-085-21829Plugged GasSENECA RESOURCES CO LLC
A CHELTON UNIT 1 37-085-21555Active GasJMG ENERGY LLC
A COBLENTZ 1 37-085-22199Cancelled / expired GasPETRO DEV CORP
A COBLENTZ 2 37-085-22195Plugged Dry holePETRO DEV CORP
A FERGUSON 1 S 37-085-20393Active GasJMG ENERGY LLC
A GRIFFITH 1 37-085-21959Cancelled / expired GasDOUGLAS OIL & GAS LP
A JOHNSON UNIT 1 1 37-085-20807Active GasDIAMOND ENERGY PARTNERS LLC
A KOBOSKY UNIT 3 37-085-21317Cancelled / expired GasVISTA RESOURCES INC
A KOBOSKY UNIT 4 37-085-21984Active GasJMG ENERGY LLC
A L ELDER 1 37-085-00229Plugged OilMCCOMB OIL INC
A L ELDER 1A 37-085-00235Orphaned UnknownPA DEP OFC OIL & GAS MGMT
A L ELDER 2 37-085-00228Active OilMCCOMB OIL INC
A L ELDER 2A 37-085-00230Orphaned UnknownPA DEP OFC OIL & GAS MGMT
A L ELDER 4 37-085-00231Orphaned UnknownPA DEP OFC OIL & GAS MGMT
A L ELDER 6 37-085-00236Orphaned UnknownPA DEP OFC OIL & GAS MGMT
A L ELDER 7 37-085-00232Orphaned UnknownPA DEP OFC OIL & GAS MGMT
A L ELDER 8 37-085-00233Orphaned UnknownPA DEP OFC OIL & GAS MGMT
A L ELDER 9 37-085-00234Orphaned UnknownPA DEP OFC OIL & GAS MGMT
A L M UNIT 1 37-085-20628Active GasJMG ENERGY LLC
A L M UNIT 2 37-085-21356Active GasDIVERSIFIED PROD LLC
A L MULLETT UNIT 1 37-085-23065Active Oil & gasALLEN ENERGY LLC
A LAGEMANN 1 37-085-20513Cancelled / expired GasHADDAD & BROOKS INC
A LAGEMANN 1 37-085-20535Cancelled / expired GasPNB PETROL HADDAD & BROOKS INC
A M FELL 1 37-085-20007Orphaned GasSHENANGO GAS CO
A MILLER 1 37-085-22715Active Oil & gasALLEN ENERGY LLC
A NYCH UNIT 1 37-085-20604Active GasDIVERSIFIED PROD LLC
A NYCH UNIT 2 37-085-20605Cancelled / expired GasHADDAD & BROOKS INC
A ROUZER 1 37-085-21881Active GasJMG ENERGY LLC
A S MCCOLLOUGH 1 37-085-90002Plugged Dry holeCARNEGIE NATURAL GAS CO
A TRECKI 1 37-085-22423Active GasALLEN ENERGY LLC
A. & S. MOORE 2 37-085-21219Active GasOWS ACQUISITION CO LLC
A. ANTOUN 1 37-085-21081Plugged GasVISTA RESOURCES INC
A. HELMUTH 1 37-085-21080Active GasJMG ENERGY LLC
A. KOBOSKY UNIT 1 37-085-20315Plugged GasVISTA RESOURCES INC
A. KOBOSKY UNIT 2 37-085-21244Active GasDIVERSIFIED PROD LLC
ABE L PEARSOL 1 37-085-20463Cancelled / expired GasCOTERRA ENERGY INC
ABE L. PEARSOL 1 37-085-21150Active GasOWS ENERGY LLC
ABMAYR UNIT 10 37-085-24423Cancelled / expired GasRANGE RESOURCES APPALACHIA LLC
ABMAYR UNIT 6 37-085-23052Active Oil & gasOWS ENERGY LLC
ABMAYR UNIT 7 37-085-23529Active Oil & gasOWS ENERGY LLC
ABMAYR UNIT 8 37-085-23731Active GasOWS ENERGY LLC
ABMAYR UNIT 9 37-085-23729Active Oil & gasOWS ENERGY LLC
ABOOD 1 37-085-23891Active GasLEGACY OGC LLC
ABYMAR UNIT 4 37-085-22507Active GasOWS ENERGY LLC
ACHRE UNIT 1 37-085-23915Active Oil & gasDJR WELL SERVICES INC
ADAIR UNIT 1 37-085-23680Plugged GasCEDAR VALLEY ENERGY INC
ADAMS L 1 37-085-23862Active GasJMG ENERGY LLC
ADAMS UNIT 1 37-085-23645Active GasDIAMOND ENERGY PARTNERS LLC
ADOBE COAL CO 1 37-085-22142Active Oil & gasDIVERSIFIED PROD LLC
ADZIMA 1 37-085-23644Active GasDIAMOND ENERGY PARTNERS LLC
ADZIMA 2 37-085-23707Active GasDIAMOND ENERGY PARTNERS LLC
ADZIMA 3 37-085-24264Plugged Oil & gasBOBCAT WELL & PIPELINE LLC
ADZIMA 4 37-085-23706Active GasDIAMOND ENERGY PARTNERS LLC
ADZIMA 5 37-085-24427Active Oil & gasDIAMOND ENERGY PARTNERS LLC
ADZIMA G UNIT 1 37-085-23754Active GasDIAMOND ENERGY PARTNERS LLC
ADZIMA UNIT 1HB 37-085-23570Active GasDIAMOND ENERGY PARTNERS LLC
ADZIMA UNIT 2HB 37-085-23571Active GasDIAMOND ENERGY PARTNERS LLC
AGAPE 1 37-085-23211Active Oil & gasALLEN ENERGY LLC
AGNEW L 1 37-085-23992Active GasDIAMOND ENERGY PARTNERS LLC
AIKEN 1 37-085-22186Active Oil & gasDIVERSIFIED PROD LLC
AIKEN 2 37-085-22819Active Oil & gasDIVERSIFIED PROD LLC
AIKEN 3 37-085-22786Active Oil & gasDIVERSIFIED PROD LLC
ALAN M NATHAN 1 37-085-22815Active Oil & gasDIAMOND ENERGY PARTNERS LLC
ALBERT R LENGEL 15529 37-085-20258Active GasDIVERSIFIED PROD LLC
ALBERTA CARR 1 37-085-23186Active Oil & gasOWS ACQUISITION CO LLC
ALBERTA CARR 2 37-085-23169Cancelled / expired Oil & gasEXCO RESOURCES PA INC
ALEX ORIS 1 37-085-20170Active GasOWS ACQUISITION CO LLC
ALEX ORIS 2 37-085-20407Plugged Oil & gasUNIVERSAL CYCLOPS SPECIALTY STEEL DIV
ALEX ORIS 2A 37-085-20434Active GasOWS ACQUISITION CO LLC
ALEX ORIS 3 37-085-20427Active GasOWS ACQUISITION CO LLC
ALFRED & KATHERINE AUG 1 37-085-20124Active GasGERALD MCDOWELL
ALGEO 1 37-085-21161Plugged Oil & gasDIVERSIFIED PROD LLC
ALI UNIT 1 37-085-23518Active GasCOBRA RESOURCES LLC
ALLEGRETTE/KRAUSE 1 37-085-20530Plugged GasMARK RESOURCES CORP
ALLEN 1 37-085-21573Plugged Oil & gasATLAS RESOURCES LLC
ALLEN UNIT 1 37-085-21071Active GasOWS ACQUISITION CO LLC
ALLEN UNIT 2 37-085-21186Active GasOWS ACQUISITION CO LLC
ALTMAN UNIT 1 37-085-22688Active Oil & gasBIG DOG ENERGY LLC
ALVA HART 2423 37-085-00080Active StorageNATL FUEL GAS SUPPLY CORP
AMMANN 1 37-085-22687Active Oil & gasDIVERSIFIED PROD LLC
AMMER 1 37-085-21406Cancelled / expired Oil & gasATLAS RESOURCES INC
AMMER 2 37-085-21448Plugged Oil & gasATLAS RESOURCES LLC
AMMER 3 37-085-21636Plugged Oil & gasATLAS RESOURCES INC
AMMER 4 37-085-21641Active Oil & gasDIVERSIFIED PROD LLC
AMMER 6 37-085-21663Active Oil & gasDIVERSIFIED PROD LLC
AMMER UNIT 5 37-085-21691Cancelled / expired GasATLAS RESOURCES INC
ANDERLE 1 37-085-21276Cancelled / expired Oil & gasATLAS RESOURCES INC
ANDERSON 1 37-085-20630Active GasDJR WELL SERVICES INC
ANDERSON 1 37-085-20906Cancelled / expired Oil & gasATLAS RESOURCES INC
ANDERSON 1 37-085-20977Active Oil & gasDIVERSIFIED PROD LLC

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