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Big Horn County, WY oil and gas wells

2,587 wells: 501 active, 1,835 plugged, 7 orphaned, run by 585 operators.

Figures from the Wyoming Oil and Gas Conservation Commission, updated 2026-10-19.

Top operators in Big Horn

OperatorActiveWells here
MERIT ENERGY COMPANY286386
ENDEAVOR ENERGY LLC5383
NATURAL GAS PROCESSING COMPANY5175
KENTEX WORLAND LLC2632
TRIBAR RESOURCES LLC1744
WHITE ROCK OIL & GAS LLC1518
T2 OPERATING CORPORATION1114
WYOIL CORP815
VALKYRIE OPERATING LLC79
WHITING OIL & GAS CORPORATION618
BUNKIRT J J OIL & GAS CORPORATION46
RIM OPERATING INC312
GRANITE CREEK ENERGY LLC38
WIND RIVER EXPLORATION214
UNDERWOOD OIL & GAS26
NEPECO23
NEW ERA PETROLEUM INC138
ATLANTIC OIL AND GAS DEVELOPMENT LLC13
PILOT PEAK RESOURCES LLC13
CODY ENERGY INC11
PRIDE ENERGY COMPANY AN OKLAHOMA GP11
MARATHON OIL COMPANY0143
KCS MOUNTAIN RESOURCES INC063
BIG HORN OIL & GAS044
ALLEN OIL042

Wells

Not plugged · All wells · Plugged · Orphaned

WellAPI / IDStatusTypeOperator
KINNEY COASTAL 100 49-003-20924Active OilMERIT ENERGY COMPANY
KINNEY COASTAL 99 49-003-20925Shut in ServiceMERIT ENERGY COMPANY
KINNEY COASTAL 101 49-003-21626Temporarily abandoned OilMERIT ENERGY COMPANY
KIRGIS 1-R 49-003-20656Active OilMERIT ENERGY COMPANY
KLAENHAMMER 1-B 49-003-20450Active OilVALKYRIE OPERATING LLC
LAMB 2-12 49-003-20619Temporarily abandoned OilARJAY OIL COMPANY
LESTER SNYDER TRUST 1 49-003-20856Shut in OilNATURAL GAS PROCESSING COMPANY
LITE BUTTE 1 49-003-20575Active OilWYOIL CORP
LMT BISHOP 1A 49-003-20659Active GasVALKYRIE OPERATING LLC
LOECKER 1 49-003-07194Shut in Oil—
M COZZENS 5 49-003-06397Active OilMERIT ENERGY COMPANY
M D HARRIS 4 49-003-05976Active OilMERIT ENERGY COMPANY
MANDERSON UNIT 32-19G 49-003-05254Active OilNATURAL GAS PROCESSING COMPANY
MANDERSON UNIT F41-24G 49-003-05258Active GasNATURAL GAS PROCESSING COMPANY
MANDERSON UNIT 436 49-003-05262Active GasNATURAL GAS PROCESSING COMPANY
MANDERSON UNIT 146 49-003-05267Active GasNATURAL GAS PROCESSING COMPANY
MANDERSON UNIT 24-137 49-003-20571Active GasNATURAL GAS PROCESSING COMPANY
MANDERSON UNIT 34-12P 49-003-20928Active OilNATURAL GAS PROCESSING COMPANY
MANDERSON UNIT 34-12L 49-003-20932Temporarily abandoned OilNATURAL GAS PROCESSING COMPANY
MANDERSON UNIT 11-33PL 49-003-20938Active OilNATURAL GAS PROCESSING COMPANY
MANDERSON UNIT 21-29P 49-003-20940Active OilNATURAL GAS PROCESSING COMPANY
MANDERSON UNIT 12-18L 49-003-20942Active OilNATURAL GAS PROCESSING COMPANY
MANDERSON UNIT 12-20P 49-003-20945Active GasNATURAL GAS PROCESSING COMPANY
MANDERSON UNIT 41-13P(L) 49-003-20948Active OilNATURAL GAS PROCESSING COMPANY
MANDERSON UNIT 11-33LP 49-003-20949Active OilNATURAL GAS PROCESSING COMPANY
MANDERSON UNIT 22-12PL 49-003-20953Active GasNATURAL GAS PROCESSING COMPANY
MANDERSON UNIT 21-19P 49-003-20955Active OilNATURAL GAS PROCESSING COMPANY
MANDERSON UNIT 21-29L 49-003-20960Active OilNATURAL GAS PROCESSING COMPANY
MANDERSON UNIT 12-20L 49-003-20961Active OilNATURAL GAS PROCESSING COMPANY
MANDERSON UNIT 23-18L 49-003-20963Active OilNATURAL GAS PROCESSING COMPANY
MANDERSON UNIT 41-19LP 49-003-20965Active OilNATURAL GAS PROCESSING COMPANY
MANDERSON UNIT 41-30P 49-003-20967Active GasNATURAL GAS PROCESSING COMPANY
MANDERSON UNIT 43-13P 49-003-20968Active OilNATURAL GAS PROCESSING COMPANY
MANDERSON UNIT 13-28PL 49-003-20972Active OilNATURAL GAS PROCESSING COMPANY
MANDERSON UNIT 23-29P 49-003-20974Active OilNATURAL GAS PROCESSING COMPANY
MANDERSON UNIT 34-2P(L) 49-003-20975Active OilNATURAL GAS PROCESSING COMPANY
MANDERSON UNIT 23-12PL 49-003-20976Active OilNATURAL GAS PROCESSING COMPANY
MANDERSON UNIT 23-19PL 49-003-20981Active OilNATURAL GAS PROCESSING COMPANY
MANDERSON UNIT 23-29L 49-003-20983Shut in OilNATURAL GAS PROCESSING COMPANY
MANDERSON UNIT 12-19P 49-003-20984Active DisposalNATURAL GAS PROCESSING COMPANY
MANDERSON UNIT 14-20P 49-003-20986Active GasNATURAL GAS PROCESSING COMPANY
MANDERSON UNIT 34-28L 49-003-20992Active GasNATURAL GAS PROCESSING COMPANY
MANDERSON UNIT 34-19P 49-003-20995Active OilNATURAL GAS PROCESSING COMPANY
MANDERSON UNIT 13-7P(L) 49-003-20997Active OilNATURAL GAS PROCESSING COMPANY
MANDERSON UNIT 14-36 49-003-20998Active OilNATURAL GAS PROCESSING COMPANY
MANDERSON UNIT 23-29F 49-003-20999Active GasNATURAL GAS PROCESSING COMPANY
MANDERSON UNIT 43-30L 49-003-21001Active GasNATURAL GAS PROCESSING COMPANY
MANDERSON UNIT 14-20L 49-003-21004Active OilNATURAL GAS PROCESSING COMPANY
MANDERSON UNIT 33-29P 49-003-21005Active OilNATURAL GAS PROCESSING COMPANY
MANDERSON UNIT 44-29P 49-003-21017Active OilNATURAL GAS PROCESSING COMPANY
MANDERSON UNIT 23-33P 49-003-21021Active OilNATURAL GAS PROCESSING COMPANY
MANDERSON UNIT 44-3P 49-003-21031Active OilNATURAL GAS PROCESSING COMPANY
MANDERSON UNIT 24-20L 49-003-21034Active GasNATURAL GAS PROCESSING COMPANY
MARKLEY C B-044298 4 49-003-05837Active OilPILOT PEAK RESOURCES LLC
MARY WELCH 1 49-003-06015Active InjectionMERIT ENERGY COMPANY
MARY WELCH 2H 49-003-06051Active OilMERIT ENERGY COMPANY
MARY WELCH 3 49-003-20290Active OilMERIT ENERGY COMPANY
MCP FEDERAL 1-19 49-003-21539Active OilWHITING OIL & GAS CORPORATION
MISCHLER BADGER 1 49-003-06294Temporarily abandoned InjectionMERIT ENERGY COMPANY
MISCHLER BADGER 2 49-003-20352Active OilMERIT ENERGY COMPANY
MISCHLER BADGER 3 49-003-20522Active OilMERIT ENERGY COMPANY
MISCHLER BADGER 4 49-003-20674Active InjectionMERIT ENERGY COMPANY
NATIONAL KEELE 2 49-003-07121Shut in GasWIND RIVER EXPLORATION
NELLIE WIRTH 1 49-003-06338Temporarily abandoned OilMERIT ENERGY COMPANY
NEVILLE 3H 49-003-21655Active OilMERIT ENERGY COMPANY
OCCIDENTAL 1 49-003-06319Active InjectionMERIT ENERGY COMPANY
OCCIDENTAL 3 49-003-20357Temporarily abandoned OilMERIT ENERGY COMPANY
OCCIDENTAL 4 49-003-20503Temporarily abandoned OilMERIT ENERGY COMPANY
OCCIDENTAL 5 49-003-20504Temporarily abandoned OilMERIT ENERGY COMPANY
OCCIDENTAL FEE 2 49-003-06340Temporarily abandoned OilMERIT ENERGY COMPANY
OCCIDENTAL PATENTED 6 49-003-20561Temporarily abandoned OilMERIT ENERGY COMPANY
ORSON VAIL 1 49-003-06419Active InjectionMERIT ENERGY COMPANY
OTTO UNIT 1-5 49-003-21053Active GasKENTEX WORLAND LLC
OWEN FARMER 1 49-003-06325Active InjectionMERIT ENERGY COMPANY
P G SESSIONS 4 49-003-20198Active OilMERIT ENERGY COMPANY
P G SESSIONS PATENT 3 49-003-06643Active OilMERIT ENERGY COMPANY
PAW PAW FEDERAL 1 49-003-21653Drilling OilFOOTHILLS EXPLORATION LLC
PEARCE 1-35 49-003-20766Active OilNATURAL GAS PROCESSING COMPANY
PEARCE 0-2367 3 49-003-20412Active OilWYOIL CORP
PEARCE 0-2367 4 49-003-20413Active OilWYOIL CORP
PEARCE 0-2367 7-C 49-003-20472Shut in OilWYOIL CORP
PEARCE 0-2367 4-A 49-003-20507Active OilWYOIL CORP
PEARCE 0-2367 6-A 49-003-20512Shut in OilWYOIL CORP
PEARCE O-2367 5 49-003-20414Active OilWYOIL CORP
PETERSON 2 49-003-20443Active OilMERIT ENERGY COMPANY
PG SESSIONS 5 49-003-20465Active DisposalMERIT ENERGY COMPANY
PG SESSIONS 6 49-003-20821Active OilMERIT ENERGY COMPANY
POWELSON 1 49-003-05950Active OilMERIT ENERGY COMPANY
POWELSON 2 49-003-05955Active OilMERIT ENERGY COMPANY
PRYDE WILLEY 1 49-003-06336Active InjectionMERIT ENERGY COMPANY
PRYDE WILLEY 2 49-003-06373Temporarily abandoned OilMERIT ENERGY COMPANY
RITTER 2 49-003-05949Active OilNEPECO
ROBERT TILL PATENTED 1 49-003-06374Active InjectionMERIT ENERGY COMPANY
ROY WILEY PATENTED 8 49-003-20754Active DisposalMERIT ENERGY COMPANY
ROY WILLEY 2 49-003-06318Temporarily abandoned OilMERIT ENERGY COMPANY
ROY WILLEY 4 49-003-20431Active OilMERIT ENERGY COMPANY
ROY WILLEY 6 49-003-20601Active OilMERIT ENERGY COMPANY
ROY WILLEY FEE 5 49-003-20457Active DisposalMERIT ENERGY COMPANY
ROY WILLEY PATENTED 3 49-003-20136Active DisposalMERIT ENERGY COMPANY
ROY WILLEY PATENTED 7 49-003-20705Active OilMERIT ENERGY COMPANY

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