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Montana · County

Big Horn County, Montana: oil & gas wells, operators and production

Big Horn County has 1,775 wells in the MBOGC well file — 71 of them producing today (45 oil, 26 gas), 1 permitted, 0 spudded but not yet completed, and 1,374 plugged and abandoned. The most active operator by well count is Fidelity Exploration & Production Co.. Figures come from the 2026-09-29 MBOGC bulk file; production runs through 2026-08.

1,775Wells
71Producing
37Reported last 12 mo
33,497Bbl oil / 12 mo
0Mcf gas / 12 mo

Top operators in Big Horn County

OperatorWells
Fidelity Exploration & Production Co.914
Summit Gas Resources, INC.189
Highline Exploration, INC.105
Soap Creek Associates, INC.39
Big Horn Oil & Gas Development Co.27
Ursa Major (Crow Og), LLC26
Shell Oil Company17
Williston Basin Interstate Pipeline Company12
Vessels & Bass12
Redstone Gas Partners, LLC12

Fields & pools

FieldWells
Cx861
Dietz101
Toluca96
Hardin91
Coal Creek54
Soap Creek50
Wildcat Big Horn18
Dunmore18
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Other Montana counties

Beaverhead County30 wells · 0 producing Big Horn County1,775 wells · 71 producing Blaine County2,709 wells · 627 producing Broadwater County7 wells · 0 producing Carbon County624 wells · 74 producing Carter County457 wells · 1 producing Cascade County101 wells · 0 producing Chouteau County786 wells · 98 producing Custer County228 wells · 0 producing Daniels County172 wells · 1 producing Dawson County368 wells · 42 producing Deerlodge County2 wells · 0 producing Fallon County2,769 wells · 1,246 producing Fergus County395 wells · 7 producing Flathead County12 wells · 0 producing Gallatin County39 wells · 0 producing Garfield County293 wells · 10 producing Glacier County3,257 wells · 597 producing Golden Valley County120 wells · 0 producing Granite County9 wells · 0 producing Hill County2,351 wells · 510 producing Jefferson County8 wells · 0 producing Judith Basin County63 wells · 0 producing Lake County4 wells · 0 producing Lewis and Clark County32 wells · 1 producing Liberty County1,211 wells · 252 producing Madison County12 wells · 0 producing McCone County333 wells · 0 producing Meagher County11 wells · 0 producing Musselshell County1,385 wells · 28 producing Park County33 wells · 0 producing Petroleum County706 wells · 43 producing Phillips County2,523 wells · 1,464 producing Pondera County1,468 wells · 165 producing Powder River County1,289 wells · 49 producing Powell County7 wells · 0 producing Prairie County85 wells · 5 producing Richland County2,222 wells · 1,174 producing Roosevelt County1,339 wells · 262 producing Rosebud County1,171 wells · 36 producing Sanders County3 wells · 0 producing Sheridan County1,100 wells · 87 producing Stillwater County367 wells · 5 producing Sweetgrass County81 wells · 0 producing Teton County749 wells · 93 producing Toole County7,830 wells · 1,351 producing Treasure County31 wells · 0 producing Valley County640 wells · 168 producing Wheatland County58 wells · 1 producing Wibaux County321 wells · 71 producing Yellowstone County448 wells · 24 producing