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Big Horn County, WY oil and gas wells

Name: Big Horn County, WY oil and gas wells
Creator: Wyoming Oil and Gas Conservation Commission

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

Operator	Active	Wells here
MERIT ENERGY COMPANY	286	386
ENDEAVOR ENERGY LLC	53	83
NATURAL GAS PROCESSING COMPANY	51	75
KENTEX WORLAND LLC	26	32
TRIBAR RESOURCES LLC	17	44
WHITE ROCK OIL & GAS LLC	15	18
T2 OPERATING CORPORATION	11	14
WYOIL CORP	8	15
VALKYRIE OPERATING LLC	7	9
WHITING OIL & GAS CORPORATION	6	18
BUNKIRT J J OIL & GAS CORPORATION	4	6
RIM OPERATING INC	3	12
GRANITE CREEK ENERGY LLC	3	8
WIND RIVER EXPLORATION	2	14
UNDERWOOD OIL & GAS	2	6
NEPECO	2	3
NEW ERA PETROLEUM INC	1	38
ATLANTIC OIL AND GAS DEVELOPMENT LLC	1	3
PILOT PEAK RESOURCES LLC	1	3
CODY ENERGY INC	1	1
PRIDE ENERGY COMPANY AN OKLAHOMA GP	1	1
MARATHON OIL COMPANY	0	143
KCS MOUNTAIN RESOURCES INC	0	63
BIG HORN OIL & GAS	0	44
ALLEN OIL	0	42

Well	API / ID	Status	Type	Operator
AJAX 2	49-003-05062	Plugged	Oil	WASHAKIE ENERGIES COMPANY
AJAX 0-11185 3	49-003-05058	Plugged	Oil	WASHAKIE ENERGIES COMPANY
ROBINSON 2	49-003-07183	Plugged	Oil	RICHARD BRYAN FLLC
ROBINSON 3	49-003-21627	Plugged	Oil	RICHARD BRYAN FLLC
ROBINSON 4	49-003-21646	Plugged	Oil	RICHARD BRYAN FLLC
ROBINSON PATENTED 1	49-003-05861	Plugged	Oil	RICHARD BRYAN FLLC
SMITH 1	49-003-20820	Plugged	Oil	WASHAKIE ENERGIES COMPANY