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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
D WITMER 6 37-085-23423Active GasALLEN ENERGY LLC
D YEAGER 1 37-085-23409Active GasDIAMOND ENERGY PARTNERS LLC
D YOST 1 37-085-23507Active GasJMG ENERGY LLC
DAILEY 1 37-085-24249Active GasDIAMOND ENERGY PARTNERS LLC
DAILEY 1 37-085-24340Active GasLEGACY OGC LLC
DALE CORBETT ET UX 1 37-085-21286Active GasOWS ENERGY LLC
DALE HULSE 1M 37-085-20330Active OilHULSE RONALD D
DALE HULSE 4M 37-085-20333Active OilHULSE RONALD D
DALEY UNIT 2 37-085-24333Active GasJMG ENERGY LLC
DALTON RICHARD UNIT 3 37-085-24111Active Oil & gasOWS ENERGY LLC
DANIEL BUCKLEY 826 37-085-00074Active StorageNATL FUEL GAS SUPPLY CORP
DANIELLO 1 37-085-23523Active GasDIAMOND ENERGY PARTNERS LLC
DANIELLO UNIT 3 37-085-24191Active GasDIAMOND ENERGY PARTNERS LLC
DARBY 1 37-085-24078Active GasDIAMOND ENERGY PARTNERS LLC
DARBY UNIT 1 37-085-20878Active Oil & gasDIVERSIFIED PROD LLC
DARLENE BURDETTE 1 37-085-20848Active GasOWS ENERGY LLC
DAUGHERTY 1 37-085-24248Active Oil & gasDIAMOND ENERGY PARTNERS LLC
DAVANO UNIT 1 37-085-20937Active GasOWS ACQUISITION CO LLC
DAVID ENTERLINE 8 37-085-22876Active Oil & gasOWS ACQUISITION CO LLC
DAVID MELTON UNIT 1 37-085-23205Active Oil & gasCOBRA RESOURCES LLC
DAVID MELTON UNIT 2 37-085-23199Active Oil & gasCOBRA RESOURCES LLC
DAVID MILLER 1 37-085-23050Active Oil & gasPIN OAK ENERGY PARTNERS LLC
DAVID R & DENISE LENGEL ETAL 1 37-085-21876Active GasOWS ACQUISITION CO LLC
DAVID R & DENISE LENGEL ETAL 2 37-085-21877Active GasOWS ACQUISITION CO LLC
DAVID R & DENISE LENGEL ETAL 3 37-085-21878Active GasOWS ACQUISITION CO LLC
DAVID T ENTERLINE 1 37-085-22856Active Oil & gasOWS ACQUISITION CO LLC
DAVID WEAVER 2 37-085-23327Active GasOWS ACQUISITION CO LLC
DAVIS 1 37-085-21000Active Oil & gasDIVERSIFIED PROD LLC
DAVIS 3 37-085-22919Active Oil & gasDIVERSIFIED PROD LLC
DAVIS 4 37-085-23083Active Oil & gasDIVERSIFIED PROD LLC
DAVIS H 1 37-085-23967Active GasOWS ACQUISITION CO LLC
DAVISON UNIT 1 37-085-22943Active Oil & gasDIVERSIFIED PROD LLC
DAWSON/HOLMES UNIT 1 37-085-20992Active Oil & gasEVERFLOW EASTERN INC
DE SILVEY UNIT 1 37-085-22813Active Oil & gasDIVERSIFIED PROD LLC
DEAUGUSTINO 1 37-085-22112Active Oil & gasDIVERSIFIED PROD LLC
DEJULIA UNIT 1 37-085-22899Active GasDJR WELL SERVICES INC
DEMARCO 1 37-085-20837Active Oil & gasDIVERSIFIED PROD LLC
DEMARIA UNIT 1 37-085-22170Active Oil & gasDIVERSIFIED PROD LLC
DENNIS & LINDA FORSYTH 1 37-085-22077Active GasOWS ACQUISITION CO LLC
DENNIS SUMP 2 37-085-20408Active GasOWS ACQUISITION CO LLC
DENNIS SUMP UNIT 1 37-085-20278Active Oil & gasOWS ACQUISITION CO LLC
DEPALMA 1 37-085-21158Active GasGEORGE C & RITA LAPRADD
DEPOFI 1 37-085-24341Active GasLEGACY OGC LLC
DERMOND 1 37-085-21031Active Oil & gasDIVERSIFIED PROD LLC
DERR 1 37-085-24275Active GasLEGACY OGC LLC
DERR 2 37-085-24301Active GasLEGACY OGC LLC
DETELICH 1 37-085-23244Active GasDIAMOND ENERGY PARTNERS LLC
DETELICH UNIT 2 37-085-23245Active GasDIAMOND ENERGY PARTNERS LLC
DETELICH UNIT 3 37-085-23258Active GasDIAMOND ENERGY PARTNERS LLC
DETWEILER 2 37-085-22090Active Oil & gasDIVERSIFIED PROD LLC
DETWEILER UNIT 3 37-085-22134Active Oil & gasDIVERSIFIED PROD LLC
DEVONSHIRE 1 37-085-22144Active Oil & gasDIVERSIFIED PROD LLC
DICK 2 37-085-22586Active Oil & gasDIVERSIFIED PROD LLC
DICK 2NA 37-085-24023Active GasDIAMOND ENERGY PARTNERS LLC
DICKS 1 37-085-21310Temporarily abandoned Oil & gasDIVERSIFIED PROD LLC
DICKSON 3 37-085-21902Active Oil & gasDIVERSIFIED PROD LLC
DIEGAN 2 37-085-21599Active Oil & gasDIVERSIFIED PROD LLC
DIEHL 1 37-085-23696Active GasLEGACY OGC LLC
DIXON 2 37-085-20950Active Oil & gasDIVERSIFIED PROD LLC
DIXON 4 37-085-22629Active Oil & gasDIVERSIFIED PROD LLC
DODDO UNIT 1 37-085-23347Active GasCOBRA RESOURCES LLC
DODDS 1 37-085-20652Active GasDJR WELL SERVICES INC
DODDS 2 37-085-20680Active GasDJR WELL SERVICES INC
DODDS R 1 37-085-23969Active GasDIAMOND ENERGY PARTNERS LLC
DODGE 1 37-085-20656Active GasVALLESTEROS FEDERICO P
DODSON SLATER UNIT 1 37-085-21975Active GasDIVERSIFIED PROD LLC
DOERZBACHER F UNIT 1 37-085-24496Active GasJMG ENERGY LLC
DOHERTY 1 37-085-21774Active Oil & gasDIVERSIFIED PROD LLC
DONALD & BETTE SHIPTON 2 37-085-21792Active Oil & gasOWS ACQUISITION CO LLC
DONALD & CATHERINE RICE 1 37-085-21608Active GasOWS ACQUISITION CO LLC
DONALD & CATHERINE RICE 2 37-085-21643Active GasOWS ACQUISITION CO LLC
DONALD & CATHERINE RICE 3 37-085-21772Active Oil & gasOWS ACQUISITION CO LLC
DONALD ENTERLINE 11 37-085-23110Active Oil & gasOWS ACQUISITION CO LLC
DONALD ENTERLINE 7 37-085-22875Active Oil & gasOWS ACQUISITION CO LLC
DONALD ENTERLINE UNIT 10 37-085-23361Active GasOWS ACQUISITION CO LLC
DONALD S RITTER 1 37-085-20464Active GasOWS ENERGY LLC
DONALD S. RITTER 4-A 37-085-21166Active GasOWS ENERGY LLC
DONLEY 1 37-085-22364Active Oil & gasDIVERSIFIED PROD LLC
DONLEY C 1 37-085-24530Active GasWES OIL & GAS LLC
DONNELL R 1 37-085-23704Active GasDIAMOND ENERGY PARTNERS LLC
DONNELLY UNIT 1 37-085-23272Active GasALLEN ENERGY LLC
DONNER 1 37-085-22570Active Oil & gasDIVERSIFIED PROD LLC
DORAN 1 37-085-22133Active Oil & gasDIVERSIFIED PROD LLC
DORFI 1 37-085-23694Active GasLEGACY OGC LLC
DORFI 2 37-085-23974Active GasLEGACY OGC LLC
DORFI UNIT 3 37-085-24403Active GasLEGACY OGC LLC
DOUGHMAN UNIT 1 37-085-22806Active Oil & gasOWS ENERGY LLC
DOWNIE J 2 37-085-24303Active GasJMG ENERGY LLC
DOWNING UNIT 1 37-085-23747Active GasDIAMOND ENERGY PARTNERS LLC
DOWNING UNIT 2 37-085-23748Active GasDIAMOND ENERGY PARTNERS LLC
DRAGISICH 1 37-085-23003Active Oil & gasDIVERSIFIED PROD LLC
DRAGISICH 2 37-085-23061Active Oil & gasDIVERSIFIED PROD LLC
DREW UNIT 1 37-085-22985Active Oil & gasALLEN ENERGY LLC
DRIVERE UNIT 1 37-085-20181Active GasOWS ACQUISITION CO LLC
DUFERCO FARRELL CORP 4D 37-085-23225Active GasDIAMOND ENERGY PARTNERS LLC
DUFERCO FARRELL CORP UNIT 1 37-085-22962Active Oil & gasDIAMOND ENERGY PARTNERS LLC
DUFF 1 37-085-22100Active Oil & gasDIVERSIFIED PROD LLC
DUFFOLA UNIT 1 37-085-22121Active Oil & gasDIVERSIFIED PROD LLC
DUKELOW D UNIT 1 37-085-24074Active GasDIAMOND ENERGY PARTNERS LLC
DUKELOW D UNIT 2 37-085-24056Active GasDIAMOND ENERGY PARTNERS LLC

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