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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
GILLILAND 1 37-085-22732Active Oil & gasDIVERSIFIED PROD LLC
GILLILAND 2 37-085-22926Active Oil & gasDIVERSIFIED PROD LLC
GILLILAND UNIT 3 37-085-23228Active Oil & gasDIVERSIFIED PROD LLC
GILMORE 2 37-085-21971Active Oil & gasDIVERSIFIED PROD LLC
GILMORE UNIT 1 37-085-21969Active Oil & gasDIVERSIFIED PROD LLC
GLEN W & GLADYS L OWENS 1 37-085-20303Temporarily abandoned Oil & gasCOBRA RESOURCES LLC
GLENDON & FRANCES REED 1 37-085-23649Active GasOWS ACQUISITION CO LLC
GLENDON & FRANCES REED 2 37-085-23490Active GasOWS ACQUISITION CO LLC
GLENDON & FRANCES REED 4 37-085-23491Active GasOWS ACQUISITION CO LLC
GLENDON & FRANCES REED 5 37-085-23492Active GasOWS ACQUISITION CO LLC
GLENDON JR & SHIRLEY DILLAMAN 1 37-085-21973Active GasGLENDON E JR & SHIRLEY G DILLAMAN
GLENN K CHESS 1MC9 37-085-20245Active GasDJR WELL SERVICES INC
GLENN W SNYDER 5645 37-085-20038Temporarily abandoned GasDIVERSIFIED PROD LLC
GLOVER 1 37-085-21619Active Oil & gasDIVERSIFIED PROD LLC
GLOVER 2 37-085-21352Active Oil & gasDIVERSIFIED PROD LLC
GODLESKI HOGG UNIT 2 37-085-24344Active GasDVY ENERGY LLC
GODLESKI HOGG UNIT 3 37-085-24617Active GasDVY ENERGY LLC
GOEBEL UNIT 1 37-085-22166Active Oil & gasDIVERSIFIED PROD LLC
GOEHRING 1 37-085-22998Active GasCOBRA RESOURCES LLC
GOOD SHEPHERD UNIT 1 37-085-23567Active GasBOCOR HOLDINGS LLC
GOOD SHEPHERD UNIT 2 37-085-23544Active GasBOCOR HOLDINGS LLC
GORAL 1 37-085-22204Active Oil & gasDIVERSIFIED PROD LLC
GORDON MAYNE UNIT 1 37-085-24101Active Oil & gasOWS ENERGY LLC
GORDON, FLOYD 4 37-085-22512Active GasOWS ENERGY LLC
GRABB 1 37-085-24258Active Oil & gasDIAMOND ENERGY PARTNERS LLC
GRABB 2 37-085-24256Active Oil & gasDIAMOND ENERGY PARTNERS LLC
GRACE ARTHERHOLT 1 37-085-20300Temporarily abandoned Oil & gasCOBRA RESOURCES LLC
GRACILLA 2 37-085-24175Active Oil & gasDIVERSIFIED PROD LLC
GRACILLA UNIT 1 37-085-20968Active Oil & gasDIVERSIFIED PROD LLC
GRAHAM 1 37-085-21921Active Oil & gasHAROLD N GRAHAM
GRAHAM 1 37-085-23317Active GasOWS ACQUISITION CO LLC
GRANDE 1 37-085-22128Active Oil & gasDIVERSIFIED PROD LLC
GRANDE 2 37-085-22122Active Oil & gasDIVERSIFIED PROD LLC
GRANDE UNIT 1 37-085-23580Active GasDIAMOND ENERGY PARTNERS LLC
GRANT A. COLTON JR. ETAL 1 37-085-21087Active GasOWS ENERGY LLC
GRAVATTE D 1 37-085-23922Active GasOWS ACQUISITION CO LLC
GRDC 2 37-085-23962Active GasDIAMOND ENERGY PARTNERS LLC
GRDC 3 37-085-23961Active GasDIAMOND ENERGY PARTNERS LLC
GRDC 4 37-085-23960Active GasDIAMOND ENERGY PARTNERS LLC
GRDC 5 37-085-23959Active GasDIAMOND ENERGY PARTNERS LLC
GRDC 6 37-085-23778Active GasDIAMOND ENERGY PARTNERS LLC
GRDC 7 37-085-23714Active GasDIAMOND ENERGY PARTNERS LLC
GREATHOUSE 1 37-085-23672Active Oil & gasDIVERSIFIED PROD LLC
GREATHOUSE M 1 37-085-23716Active GasDIAMOND ENERGY PARTNERS LLC
GREENLEE 1 37-085-23982Active GasDIAMOND ENERGY PARTNERS LLC
GREENLEE 2 37-085-23881Active GasDIAMOND ENERGY PARTNERS LLC
GREENLEE 3 37-085-24211Active GasDIAMOND ENERGY PARTNERS LLC
GREENLEE 6 37-085-24307Active Oil & gasDIAMOND ENERGY PARTNERS LLC
GREENLEE UNIT 4 37-085-24309Active GasDIAMOND ENERGY PARTNERS LLC
GREENVILLE AIRPORT 1 37-085-23234Active GasBOCOR HOLDINGS LLC
GREENVILLE AIRPORT 2 37-085-23238Active GasBOCOR HOLDINGS LLC
GREENVILLE AIRPORT 3 37-085-23454Active GasBOCOR HOLDINGS LLC
GREENVILLE BORO 2 37-085-23957Active GasDIAMOND ENERGY PARTNERS LLC
GREENVILLE BORO UNIT 1 37-085-23422Active GasDIAMOND ENERGY PARTNERS LLC
GREENWALT-FINZE 1 37-085-20779Active GasDIVERSIFIED PROD LLC
GREER EDWARD UNIT 1 37-085-24262Active Oil & gasOWS ENERGY LLC
GRIGSBY WALTERS UNIT 3 37-085-23011Active Oil & gasJMG ENERGY LLC
GRIGSBY WALTERS UNIT 4 37-085-23012Active Oil & gasJMG ENERGY LLC
GRIGSBY WALTERS UNIT 5 37-085-23013Active Oil & gasJMG ENERGY LLC
GRIGSBY-WALTERS 1 37-085-21301Active GasOWS ENERGY LLC
GRIMM 1 37-085-22105Active Oil & gasDIVERSIFIED PROD LLC
GROOVER 1 37-085-23661Active GasDIAMOND ENERGY PARTNERS LLC
GRUBER 1 37-085-23401Active GasCOBRA RESOURCES LLC
GRUBER 1 37-085-24170Active GasDIAMOND ENERGY PARTNERS LLC
GRUBER L 2 HB 37-085-23810Active GasDIAMOND ENERGY PARTNERS LLC
GUCKERT UNIT 1 37-085-22102Active Oil & gasDIVERSIFIED PROD LLC
GUILER 1 37-085-21141Active Oil & gasDIVERSIFIED PROD LLC
GUILER UNIT 2 37-085-22552Active Oil & gasDIVERSIFIED PROD LLC
GUY W. HARPER UNIT 1 37-085-20925Active Oil & gasEVERFLOW EASTERN INC
GWS UNIT 1 37-085-20838Active GasDIAMOND ENERGY PARTNERS LLC
GWS UNIT 2 37-085-23045Active Oil & gasJMG ENERGY LLC
H & H MATERIALS INC 1 37-085-24482Active GasDVY ENERGY LLC
H & H MATERIALS INC 3 37-085-24484Active GasDVY ENERGY LLC
H & H MATERIALS INC 4 37-085-24580Active GasWES OIL & GAS LLC
H & H MATERIALS INC UNIT 2 37-085-24483Active GasDVY ENERGY LLC
H BRUCK 2 37-085-21400Active GasDIAMOND ENERGY PARTNERS LLC
H ELDER 1 37-085-23431Active GasDIAMOND ENERGY PARTNERS LLC
H ELDER UNIT 1 37-085-22261Active GasALLEN ENERGY LLC
H GIEBNER 1 (MFA-5-R) 37-085-00166Active GasMCCOMB OIL INC
H GIEBNER 2 (MFA-5-R) 37-085-00167Active GasMCCOMB OIL INC
H HILL 2 37-085-22376Active GasJMG ENERGY LLC
H HILL UNIT 1 37-085-21598Active GasJMG ENERGY LLC
H HILL UNIT 4 37-085-21629Active GasJMG ENERGY LLC
H JOHNSTON 1 37-085-21495Active GasOWS ACQUISITION CO LLC
H JONES 1 37-085-20714Active GasOWS ENERGY LLC
H LACKEY 1 37-085-22293Active GasDIVERSIFIED PROD LLC
H MILLER UNIT 1 37-085-20382Active GasJMG ENERGY LLC
H NICKLIN 1 37-085-22758Active Oil & gasJMG ENERGY LLC
H PROBST 1 37-085-90003Orphaned Dry hole—
H SMITH 1 37-085-23561Active GasDIAMOND ENERGY PARTNERS LLC
H SMITH 2 37-085-23562Active GasDIAMOND ENERGY PARTNERS LLC
H STURGIN 1 37-085-22753Active Oil & gasDIAMOND ENERGY PARTNERS LLC
H TROPLES 1 37-085-22601Active GasALLEN ENERGY LLC
H TROPLES UNIT 2 37-085-22803Active GasALLEN ENERGY LLC
H WILLIAMS 2 37-085-23601Active GasOWS ACQUISITION CO LLC
H. HILL UNIT 3 37-085-21461Active GasJMG ENERGY LLC
HABARKA 1 37-085-21082Active Oil & gasOWS ACQUISITION CO LLC
HALANSKY 1 37-085-21579Active Oil & gasDIVERSIFIED PROD LLC
HALANSKY 2 37-085-21623Active Oil & gasDIVERSIFIED PROD LLC
HALANSKY 3 37-085-21624Active Oil & gasDIVERSIFIED PROD LLC

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