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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
COURT 1 37-085-22327Active Oil & gasDIVERSIFIED PROD LLC
COURTNEY 1 37-085-00134Orphaned UnknownPA DEP OFC OIL & GAS MGMT
COURTNEY 2 37-085-00135Orphaned UnknownPA DEP OFC OIL & GAS MGMT
COURTNEY 2 37-085-21571Active Oil & gasDIVERSIFIED PROD LLC
COURTNEY 3 37-085-00136Orphaned UnknownPA DEP OFC OIL & GAS MGMT
COURTNEY 4 37-085-00137Orphaned UnknownPA DEP OFC OIL & GAS MGMT
COURTNEY UNIT 3 37-085-21537Active Oil & gasDIVERSIFIED PROD LLC
COUSINS 1 270 37-085-24349Active GasJMG ENERGY LLC
COUSINS 2 270 37-085-24331Active GasJMG ENERGY LLC
COUSINS 3 37-085-22296Active Oil & gasDIVERSIFIED PROD LLC
COUSINS UNIT 1 37-085-21124Active Oil & gasDIVERSIFIED PROD LLC
COUSINS UNIT 2 37-085-21518Active Oil & gasDIVERSIFIED PROD LLC
COX, JOAN 1 37-085-21231Active GasOWS ACQUISITION CO LLC
COYER 2 37-085-21952Active Oil & gasDIVERSIFIED PROD LLC
CRAINE 3 37-085-24271Active GasDIAMOND ENERGY PARTNERS LLC
CRAINE UNIT 2 37-085-23995Active GasDIAMOND ENERGY PARTNERS LLC
CRASH UNIT 1 37-085-23648Active GasCOBRA RESOURCES LLC
CRAWFORD 1 37-085-21228Active Oil & gasDIVERSIFIED PROD LLC
CRAWFORD 3 37-085-21250Active Oil & gasDIVERSIFIED PROD LLC
CRAWFORD 4 37-085-22621Active Oil & gasDIVERSIFIED PROD LLC
CRAWFORD H UNIT 4 37-085-23150Active Oil & gasOWS ENERGY LLC
CRAWFORD UNIT 3 37-085-22788Active Oil & gasOWS ENERGY LLC
CRESSWELL 1 37-085-21327Active Oil & gasDIVERSIFIED PROD LLC
CRESSWELL 2 37-085-22984Active Oil & gasDIVERSIFIED PROD LLC
CRESSWELL LANG UNIT 1 37-085-23717Active GasDIAMOND ENERGY PARTNERS LLC
CRISPEN H 1 WE 37-085-24136Active GasDIAMOND ENERGY PARTNERS LLC
CRISPEN H 2WE 37-085-24135Active GasDIAMOND ENERGY PARTNERS LLC
CRISPEN H 3WE 37-085-24218Active GasDIAMOND ENERGY PARTNERS LLC
CRISPEN H 4WE 37-085-24345Active GasDVY ENERGY LLC
CRIST KURTZ 1 37-085-20239Active GasOWS ENERGY LLC
CROOK UNIT 1 37-085-21053Active Oil & gasDIVERSIFIED PROD LLC
CROSBY 1 37-085-24118Active GasBELL CYNTHIA L & WILLIAM A
CUDE 1 37-085-23542Active GasCOBRA RESOURCES LLC
CUDE 2 37-085-23541Active GasCOBRA RESOURCES LLC
CUDE 3 37-085-23581Active GasCOBRA RESOURCES LLC
CUMMERICK 1 37-085-24059Active GasDIAMOND ENERGY PARTNERS LLC
CUMMINGS NELSON UNIT 1 37-085-23621Active GasOWS ACQUISITION CO LLC
CUMMINGS W 1 37-085-23551Active GasOWS ACQUISITION CO LLC
CUPIC 1 37-085-21046Active Oil & gasDIVERSIFIED PROD LLC
CURIC UNIT 1 37-085-23321Active GasDIAMOND ENERGY PARTNERS LLC
CURRIE 1 37-085-20851Active Oil & gasDIVERSIFIED PROD LLC
CURRY 2 37-085-21578Active Oil & gasDIVERSIFIED PROD LLC
CURTIN 1 37-085-23618Active GasCOBRA RESOURCES LLC
CURTIN 2 37-085-23839Active GasCOBRA RESOURCES LLC
CUSICK H 2 37-085-23793Active GasDIAMOND ENERGY PARTNERS LLC
CUSICK H 3 37-085-24540Active GasWES OIL & GAS LLC
CUSICK J 1 37-085-24587Active GasWES OIL & GAS LLC
CUSTER F 1WE 37-085-24254Active GasDIAMOND ENERGY PARTNERS LLC
CYPHER UNIT 1 37-085-22638Active Oil & gasDIVERSIFIED PROD LLC
CZUBEK 2 37-085-22721Active Oil & gasDIVERSIFIED PROD LLC
D & A BICEK 1 37-085-21375Active GasOWS ACQUISITION CO LLC
D & P REIBER 1 37-085-21478Active GasOWS ACQUISITION CO LLC
D & P SABO UNIT 1 37-085-23375Active GasALLEN ENERGY LLC
D ALEXANDER 1 37-085-20532Active GasOWS ACQUISITION CO LLC
D ALEXANDER 1 37-085-22636Active Oil & gasALLEN ENERGY LLC
D BURROWS 1 37-085-23373Active GasDIAMOND ENERGY PARTNERS LLC
D BURROWS UNIT 2 37-085-23598Active GasDIAMOND ENERGY PARTNERS LLC
D CLEMENTE 1 37-085-23215Active GasALLEN ENERGY LLC
D CROYLE UNIT 1 37-085-23291Active GasALLEN ENERGY LLC
D EAGON 1 37-085-23625Active GasDIAMOND ENERGY PARTNERS LLC
D GRANTHAM 1 37-085-22004Active GasJMG ENERGY LLC
D GRUNDY 1 37-085-20712Active GasDIVERSIFIED PROD LLC
D HAYLETT UNIT 1 37-085-22898Active GasJMG ENERGY LLC
D HOGG UNIT 1 37-085-22754Active Oil & gasDIAMOND ENERGY PARTNERS LLC
D HORNE 1 37-085-20613Active GasDIAMOND ENERGY PARTNERS LLC
D KALINOWSKI UNIT 1 37-085-22369Active GasJMG ENERGY LLC
D KALINOWSKI UNIT 2 37-085-22429Active GasJMG ENERGY LLC
D KING JR 1 37-085-21751Active GasDIVERSIFIED PROD LLC
D KING JR 2 37-085-21768Active GasDIVERSIFIED PROD LLC
D KLINE UNIT 1 37-085-22692Active Oil & gasOWS ENERGY LLC
D KLINE UNIT 3 37-085-22777Active GasOWS ENERGY LLC
D LEALI UNIT 3 37-085-20768Active Oil & gasDIVERSIFIED PROD LLC
D LEALI UNIT 4 37-085-20744Active Oil & gasDIVERSIFIED PROD LLC
D MARCUCCI UNIT 1 37-085-20138Active GasOWS ACQUISITION CO LLC
D MCCLOSKEY 1 37-085-22897Active GasDIAMOND ENERGY PARTNERS LLC
D MCJUNKIN UNIT 1 37-085-22861Active Oil & gasDIAMOND ENERGY PARTNERS LLC
D MILLER UNIT 1 37-085-22517Active Oil & gasDIAMOND ENERGY PARTNERS LLC
D PALMER 2 37-085-22476Active GasDIAMOND ENERGY PARTNERS LLC
D PALMER UNIT 1 37-085-22454Active GasDIAMOND ENERGY PARTNERS LLC
D PERRINE 1 (MFA-3-R) 37-085-00196Active OilMCCOMB OIL INC
D PERRINE 10 (MFA-3-R) 37-085-00193Active OilMCCOMB OIL INC
D PERRINE 12 (MFA-3-R) 37-085-00188Orphaned UnknownPA DEP OFC OIL & GAS MGMT
D PERRINE 13 (MFA-3-R) 37-085-00189Orphaned UnknownPA DEP OFC OIL & GAS MGMT
D PERRINE 14 (MFA-3-R) 37-085-00190Orphaned UnknownPA DEP OFC OIL & GAS MGMT
D PERRINE 15 (MFA-3-R) 37-085-00194Active OilMCCOMB OIL INC
D PERRINE 16 (MFA-33-R) 37-085-00191Orphaned UnknownPA DEP OFC OIL & GAS MGMT
D PERRINE 17 (MFA-3-R) 37-085-00192Orphaned UnknownPA DEP OFC OIL & GAS MGMT
D PERRINE 19 (MFA-3-R) 37-085-00195Active OilMCCOMB OIL INC
D PERRINE 4 (MFA-3-R) 37-085-00184Orphaned UnknownPA DEP OFC OIL & GAS MGMT
D PERRINE 5 (MFA-3-R) 37-085-00185Orphaned UnknownPA DEP OFC OIL & GAS MGMT
D PERRINE 7 (MFA-3-R) 37-085-00186Orphaned UnknownPA DEP OFC OIL & GAS MGMT
D PERRINE 9 (MFA-3-R) 37-085-00187Orphaned UnknownPA DEP OFC OIL & GAS MGMT
D RAY UNIT 1 37-085-20526Active GasDIAMOND ENERGY PARTNERS LLC
D RILEY 1 37-085-20525Active GasDIAMOND ENERGY PARTNERS LLC
D ROOT UNIT 1 37-085-20721Active GasDIVERSIFIED PROD LLC
D WEAVER 1 37-085-23662Active GasDIAMOND ENERGY PARTNERS LLC
D WITMER 1 37-085-23437Active GasALLEN ENERGY LLC
D WITMER 3 37-085-23430Active GasALLEN ENERGY LLC
D WITMER 4 37-085-23438Active GasALLEN ENERGY LLC
D WITMER 5 37-085-23417Active GasALLEN ENERGY LLC

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