{
  "name": "Top Montana Oil & Gas Operators by Wells Operated",
  "publisher": "Buckhead Energy",
  "url": "https://www.buckheadenergy.com/top-operators-montana",
  "license": "https://creativecommons.org/licenses/by/4.0/",
  "doi": "https://doi.org/10.5281/zenodo.21442884",
  "dataAsOf": "2026-08-19",
  "count": 100,
  "operators": [
    {
      "rank": 1,
      "operatorSlug": "ridge-oil-gas",
      "operatorName": "RIDGE OIL & GAS",
      "wellCount": 2769,
      "recentPermitCount": 0,
      "ducCount": 11,
      "producingWellCount": 2758,
      "topFormation": "Bowdoin-Greenhorn",
      "topCounty": "PHILLIPS",
      "dataAsOf": "2026-08-19"
    },
    {
      "rank": 2,
      "operatorSlug": "fidelity-exploration-production-company",
      "operatorName": "FIDELITY EXPLORATION & PRODUCTION COMPANY",
      "wellCount": 1610,
      "recentPermitCount": 0,
      "ducCount": 65,
      "producingWellCount": 1165,
      "topFormation": "Powder River Basin",
      "topCounty": "BIG HORN",
      "dataAsOf": "2026-08-19"
    },
    {
      "rank": 3,
      "operatorSlug": "northwestern",
      "operatorName": "NORTHWESTERN",
      "wellCount": 1601,
      "recentPermitCount": 3,
      "ducCount": 160,
      "producingWellCount": 1422,
      "topFormation": "Niobrara Fm",
      "topCounty": "BLAINE",
      "dataAsOf": "2026-08-19"
    },
    {
      "rank": 4,
      "operatorSlug": null,
      "operatorName": "MMGL MT I, LLC",
      "wellCount": 1042,
      "recentPermitCount": 0,
      "ducCount": 184,
      "producingWellCount": 854,
      "topFormation": "Judith RIver- Eagle",
      "topCounty": "FALLON",
      "dataAsOf": "2026-08-19"
    },
    {
      "rank": 5,
      "operatorSlug": null,
      "operatorName": "SOMONT OIL COMPANY",
      "wellCount": 1006,
      "recentPermitCount": 0,
      "ducCount": 119,
      "producingWellCount": 848,
      "topFormation": "Sweetgrass Arch",
      "topCounty": "TOOLE",
      "dataAsOf": "2026-08-19"
    },
    {
      "rank": 6,
      "operatorSlug": "new-horizon-resources-llc",
      "operatorName": "NEW HORIZON RESOURCES",
      "wellCount": 933,
      "recentPermitCount": 0,
      "ducCount": 326,
      "producingWellCount": 602,
      "topFormation": "Sweetgrass Arch",
      "topCounty": "GLACIER",
      "dataAsOf": "2026-08-19"
    },
    {
      "rank": 7,
      "operatorSlug": "denbury-onshore-llc",
      "operatorName": "DENBURY ONSHORE",
      "wellCount": 617,
      "recentPermitCount": 0,
      "ducCount": 204,
      "producingWellCount": 389,
      "topFormation": "Powder River Basin",
      "topCounty": "POWDER RIVER",
      "dataAsOf": "2026-08-19"
    },
    {
      "rank": 8,
      "operatorSlug": null,
      "operatorName": "MCR",
      "wellCount": 581,
      "recentPermitCount": 0,
      "ducCount": 122,
      "producingWellCount": 445,
      "topFormation": "Sweetgrass Arch",
      "topCounty": "TOOLE",
      "dataAsOf": "2026-08-19"
    },
    {
      "rank": 9,
      "operatorSlug": null,
      "operatorName": "MONTANA POWER COMPANY",
      "wellCount": 517,
      "recentPermitCount": 0,
      "ducCount": 370,
      "producingWellCount": 50,
      "topFormation": "Sweetgrass Arch",
      "topCounty": "TOOLE",
      "dataAsOf": "2026-08-19"
    },
    {
      "rank": 10,
      "operatorSlug": null,
      "operatorName": "BROWN J BURNS OPERATING COMPANY",
      "wellCount": 516,
      "recentPermitCount": 0,
      "ducCount": 373,
      "producingWellCount": 88,
      "topFormation": "Niobrara Fm",
      "topCounty": "BLAINE",
      "dataAsOf": "2026-08-19"
    },
    {
      "rank": 11,
      "operatorSlug": "morning-star-oil-company",
      "operatorName": "MORNING STAR OIL COMPANY",
      "wellCount": 496,
      "recentPermitCount": 15,
      "ducCount": 12,
      "producingWellCount": 481,
      "topFormation": "Bakken",
      "topCounty": "RICHLAND",
      "dataAsOf": "2026-08-19"
    },
    {
      "rank": 12,
      "operatorSlug": "continental-oil-company",
      "operatorName": "CONTINENTAL RESOURCES",
      "wellCount": 494,
      "recentPermitCount": 28,
      "ducCount": 37,
      "producingWellCount": 372,
      "topFormation": "Bakken",
      "topCounty": "RICHLAND",
      "dataAsOf": "2026-08-19"
    },
    {
      "rank": 13,
      "operatorSlug": "texaco-exploration-and-production",
      "operatorName": "TEXACO EXPLORATION AND PRODUCTION",
      "wellCount": 486,
      "recentPermitCount": 0,
      "ducCount": 328,
      "producingWellCount": 14,
      "topFormation": "Sweetgrass Arch",
      "topCounty": "TOOLE",
      "dataAsOf": "2026-08-19"
    },
    {
      "rank": 14,
      "operatorSlug": null,
      "operatorName": "MONTALBAN OIL ETAL",
      "wellCount": 434,
      "recentPermitCount": 0,
      "ducCount": 41,
      "producingWellCount": 374,
      "topFormation": "Sweetgrass Arch",
      "topCounty": "GLACIER",
      "dataAsOf": "2026-08-19"
    },
    {
      "rank": 15,
      "operatorSlug": "a-b-oil",
      "operatorName": "A B ENERGY",
      "wellCount": 380,
      "recentPermitCount": 0,
      "ducCount": 6,
      "producingWellCount": 374,
      "topFormation": "Sweetgrass Arch",
      "topCounty": "TOOLE",
      "dataAsOf": "2026-08-19"
    },
    {
      "rank": 16,
      "operatorSlug": "true-oil",
      "operatorName": "TRUE OIL",
      "wellCount": 374,
      "recentPermitCount": 0,
      "ducCount": 202,
      "producingWellCount": 42,
      "topFormation": "Central Montana Uplift",
      "topCounty": "MUSSELSHELL",
      "dataAsOf": "2026-08-19"
    },
    {
      "rank": 17,
      "operatorSlug": "shell-oil-company",
      "operatorName": "SHELL OIL COMPANY",
      "wellCount": 366,
      "recentPermitCount": 0,
      "ducCount": 241,
      "producingWellCount": 14,
      "topFormation": "Judith RIver- Eagle",
      "topCounty": "FALLON",
      "dataAsOf": "2026-08-19"
    },
    {
      "rank": 18,
      "operatorSlug": "ocean-energy",
      "operatorName": "OCEAN ENERGY",
      "wellCount": 327,
      "recentPermitCount": 0,
      "ducCount": 199,
      "producingWellCount": 54,
      "topFormation": "Niobrara Fm",
      "topCounty": "HILL",
      "dataAsOf": "2026-08-19"
    },
    {
      "rank": 19,
      "operatorSlug": "devon-energy-production-co-lp",
      "operatorName": "DEVON ENERGY PRODUCTION COMPANY",
      "wellCount": 318,
      "recentPermitCount": 0,
      "ducCount": 134,
      "producingWellCount": 79,
      "topFormation": "Niobrara Fm",
      "topCounty": "HILL",
      "dataAsOf": "2026-08-19"
    },
    {
      "rank": 20,
      "operatorSlug": null,
      "operatorName": "KEESUN",
      "wellCount": 285,
      "recentPermitCount": 0,
      "ducCount": 76,
      "producingWellCount": 194,
      "topFormation": "Sweetgrass Arch",
      "topCounty": "TOOLE",
      "dataAsOf": "2026-08-19"
    },
    {
      "rank": 21,
      "operatorSlug": "kraken-operating",
      "operatorName": "KRAKEN OPERATING",
      "wellCount": 282,
      "recentPermitCount": 73,
      "ducCount": 30,
      "producingWellCount": 227,
      "topFormation": "Williston Basin",
      "topCounty": "RICHLAND",
      "dataAsOf": "2026-08-19"
    },
    {
      "rank": 22,
      "operatorSlug": null,
      "operatorName": "FX DRILLING COMPANY",
      "wellCount": 280,
      "recentPermitCount": 0,
      "ducCount": 100,
      "producingWellCount": 164,
      "topFormation": "Sweetgrass Arch",
      "topCounty": "GLACIER",
      "dataAsOf": "2026-08-19"
    },
    {
      "rank": 23,
      "operatorSlug": "cardinal-petroleum",
      "operatorName": "CARDINAL PETROLEUM",
      "wellCount": 272,
      "recentPermitCount": 0,
      "ducCount": 188,
      "producingWellCount": 0,
      "topFormation": "Sweetgrass Arch",
      "topCounty": "TOOLE",
      "dataAsOf": "2026-08-19"
    },
    {
      "rank": 24,
      "operatorSlug": "klabzuba-oil-gas",
      "operatorName": "KLABZUBA OIL & GAS",
      "wellCount": 271,
      "recentPermitCount": 0,
      "ducCount": 140,
      "producingWellCount": 106,
      "topFormation": "Niobrara Fm",
      "topCounty": "HILL",
      "dataAsOf": "2026-08-19"
    },
    {
      "rank": 25,
      "operatorSlug": "summit-energy",
      "operatorName": "SUMMIT GAS RESOURCES",
      "wellCount": 243,
      "recentPermitCount": 0,
      "ducCount": 34,
      "producingWellCount": 164,
      "topFormation": "Powder River Basin",
      "topCounty": "BIG HORN",
      "dataAsOf": "2026-08-19"
    },
    {
      "rank": 26,
      "operatorSlug": "white-rock-oil-gas-llc",
      "operatorName": "WHITE ROCK OIL & GAS",
      "wellCount": 239,
      "recentPermitCount": 13,
      "ducCount": 15,
      "producingWellCount": 224,
      "topFormation": "Bakken",
      "topCounty": "RICHLAND",
      "dataAsOf": "2026-08-19"
    },
    {
      "rank": 27,
      "operatorSlug": null,
      "operatorName": "BALKO",
      "wellCount": 220,
      "recentPermitCount": 0,
      "ducCount": 30,
      "producingWellCount": 189,
      "topFormation": "Sweetgrass Arch",
      "topCounty": "PONDERA",
      "dataAsOf": "2026-08-19"
    },
    {
      "rank": 28,
      "operatorSlug": null,
      "operatorName": "NORFOLK ENERGY",
      "wellCount": 219,
      "recentPermitCount": 0,
      "ducCount": 203,
      "producingWellCount": 2,
      "topFormation": "Niobrara Fm",
      "topCounty": "BLAINE",
      "dataAsOf": "2026-08-19"
    },
    {
      "rank": 29,
      "operatorSlug": "conocophillips-company",
      "operatorName": "CONOCOPHILLIPS COMPANY",
      "wellCount": 217,
      "recentPermitCount": 0,
      "ducCount": 106,
      "producingWellCount": 9,
      "topFormation": "Heath Fm",
      "topCounty": "ROSEBUD",
      "dataAsOf": "2026-08-19"
    },
    {
      "rank": 30,
      "operatorSlug": "h-r-oil-gas-company",
      "operatorName": "H&R ENERGY",
      "wellCount": 215,
      "recentPermitCount": 0,
      "ducCount": 14,
      "producingWellCount": 201,
      "topFormation": "Sweetgrass Arch",
      "topCounty": "TOOLE",
      "dataAsOf": "2026-08-19"
    },
    {
      "rank": 31,
      "operatorSlug": "union-oil-company-of-california",
      "operatorName": "UNION OIL COMPANY OF CALIFORNIA",
      "wellCount": 211,
      "recentPermitCount": 0,
      "ducCount": 151,
      "producingWellCount": 21,
      "topFormation": "Sweetgrass Arch",
      "topCounty": "GLACIER",
      "dataAsOf": "2026-08-19"
    },
    {
      "rank": 32,
      "operatorSlug": "phillips-petroleum-company",
      "operatorName": "PHILLIPS PETROLEUM COMPANY",
      "wellCount": 205,
      "recentPermitCount": 0,
      "ducCount": 146,
      "producingWellCount": 5,
      "topFormation": "Sweetgrass Arch",
      "topCounty": "GLACIER",
      "dataAsOf": "2026-08-19"
    },
    {
      "rank": 33,
      "operatorSlug": null,
      "operatorName": "WBI ENERGY TRANSMISSION",
      "wellCount": 203,
      "recentPermitCount": 0,
      "ducCount": 121,
      "producingWellCount": 6,
      "topFormation": "Judith RIver- Eagle",
      "topCounty": "FALLON",
      "dataAsOf": "2026-08-19"
    },
    {
      "rank": 34,
      "operatorSlug": "equitable-resources-exploration",
      "operatorName": "EQUITABLE RESOURCES EXPLORATION",
      "wellCount": 189,
      "recentPermitCount": 0,
      "ducCount": 119,
      "producingWellCount": 22,
      "topFormation": "Sweetgrass Arch",
      "topCounty": "PONDERA",
      "dataAsOf": "2026-08-19"
    },
    {
      "rank": 35,
      "operatorSlug": "burlington-resources-oil-gas-company",
      "operatorName": "BURLINGTON RESOURCES OIL & GAS COMPANY",
      "wellCount": 187,
      "recentPermitCount": 0,
      "ducCount": 76,
      "producingWellCount": 35,
      "topFormation": "Judith RIver- Eagle",
      "topCounty": "FALLON",
      "dataAsOf": "2026-08-19"
    },
    {
      "rank": 36,
      "operatorSlug": "encore-operating",
      "operatorName": "ENCORE OPERATING",
      "wellCount": 185,
      "recentPermitCount": 0,
      "ducCount": 81,
      "producingWellCount": 39,
      "topFormation": "Judith RIver- Eagle",
      "topCounty": "FALLON",
      "dataAsOf": "2026-08-19"
    },
    {
      "rank": 37,
      "operatorSlug": null,
      "operatorName": "RANCK OIL COMPANY",
      "wellCount": 184,
      "recentPermitCount": 0,
      "ducCount": 23,
      "producingWellCount": 153,
      "topFormation": "Sweetgrass Arch",
      "topCounty": "TOOLE",
      "dataAsOf": "2026-08-19"
    },
    {
      "rank": 38,
      "operatorSlug": "western-natural-gas-company",
      "operatorName": "WESTERN NATURAL GAS COMPANY",
      "wellCount": 179,
      "recentPermitCount": 0,
      "ducCount": 64,
      "producingWellCount": 97,
      "topFormation": "Sweetgrass Arch",
      "topCounty": "TOOLE",
      "dataAsOf": "2026-08-19"
    },
    {
      "rank": 39,
      "operatorSlug": "powder-river-resources-llc",
      "operatorName": "POWDER RIVER GAS",
      "wellCount": 165,
      "recentPermitCount": 0,
      "ducCount": 11,
      "producingWellCount": 0,
      "topFormation": "Powder River Basin",
      "topCounty": "POWDER RIVER",
      "dataAsOf": "2026-08-19"
    },
    {
      "rank": 40,
      "operatorSlug": null,
      "operatorName": "HIGH CREST OILS",
      "wellCount": 162,
      "recentPermitCount": 0,
      "ducCount": 155,
      "producingWellCount": 1,
      "topFormation": "Niobrara Fm",
      "topCounty": "HILL",
      "dataAsOf": "2026-08-19"
    },
    {
      "rank": 41,
      "operatorSlug": "citation-oil-gas-corp",
      "operatorName": "CITATION OIL & GAS",
      "wellCount": 160,
      "recentPermitCount": 0,
      "ducCount": 33,
      "producingWellCount": 122,
      "topFormation": "Niobrara Fm",
      "topCounty": "BLAINE",
      "dataAsOf": "2026-08-19"
    },
    {
      "rank": 42,
      "operatorSlug": null,
      "operatorName": "QUICKSILVER RESOURCES",
      "wellCount": 154,
      "recentPermitCount": 0,
      "ducCount": 86,
      "producingWellCount": 63,
      "topFormation": "Sweetgrass Arch",
      "topCounty": "GLACIER",
      "dataAsOf": "2026-08-19"
    },
    {
      "rank": 43,
      "operatorSlug": "sohio-petroleum-company",
      "operatorName": "SOHIO PETROLEUM COMPANY",
      "wellCount": 152,
      "recentPermitCount": 0,
      "ducCount": 99,
      "producingWellCount": 0,
      "topFormation": "Sweetgrass Arch",
      "topCounty": "CHOUTEAU",
      "dataAsOf": "2026-08-19"
    },
    {
      "rank": 44,
      "operatorSlug": null,
      "operatorName": "FULTON PRODUCING COMPANY",
      "wellCount": 151,
      "recentPermitCount": 0,
      "ducCount": 114,
      "producingWellCount": 2,
      "topFormation": "Sweetgrass Arch",
      "topCounty": "TOOLE",
      "dataAsOf": "2026-08-19"
    },
    {
      "rank": 45,
      "operatorSlug": "slawson-exploration-company",
      "operatorName": "SLAWSON EXPLORATION COMPANY",
      "wellCount": 148,
      "recentPermitCount": 12,
      "ducCount": 21,
      "producingWellCount": 63,
      "topFormation": "Bakken",
      "topCounty": "RICHLAND",
      "dataAsOf": "2026-08-19"
    },
    {
      "rank": 46,
      "operatorSlug": null,
      "operatorName": "FUEL RESOURCES DEVELOPMENT COMPANY",
      "wellCount": 145,
      "recentPermitCount": 0,
      "ducCount": 124,
      "producingWellCount": 1,
      "topFormation": "Central Montana Uplift",
      "topCounty": "BLAINE",
      "dataAsOf": "2026-08-19"
    },
    {
      "rank": 47,
      "operatorSlug": "d90-energy-llc",
      "operatorName": "D90 ENERGY",
      "wellCount": 145,
      "recentPermitCount": 0,
      "ducCount": 26,
      "producingWellCount": 119,
      "topFormation": "Bakken",
      "topCounty": "SHERIDAN",
      "dataAsOf": "2026-08-19"
    },
    {
      "rank": 48,
      "operatorSlug": "amerada-hess",
      "operatorName": "AMERADA HESS",
      "wellCount": 145,
      "recentPermitCount": 0,
      "ducCount": 69,
      "producingWellCount": 1,
      "topFormation": "Central Montana Uplift",
      "topCounty": "MUSSELSHELL",
      "dataAsOf": "2026-08-19"
    },
    {
      "rank": 49,
      "operatorSlug": null,
      "operatorName": "OASIS PETROLEUM NORTH AMERICA",
      "wellCount": 142,
      "recentPermitCount": 6,
      "ducCount": 14,
      "producingWellCount": 100,
      "topFormation": "Bakken",
      "topCounty": "ROOSEVELT",
      "dataAsOf": "2026-08-19"
    },
    {
      "rank": 50,
      "operatorSlug": null,
      "operatorName": "WHITING PETROLEUM CORP",
      "wellCount": 139,
      "recentPermitCount": 7,
      "ducCount": 6,
      "producingWellCount": 85,
      "topFormation": "Bakken",
      "topCounty": "RICHLAND",
      "dataAsOf": "2026-08-19"
    },
    {
      "rank": 51,
      "operatorSlug": "mcalester-fuel-company",
      "operatorName": "MCALESTER FUEL COMPANY",
      "wellCount": 137,
      "recentPermitCount": 0,
      "ducCount": 51,
      "producingWellCount": 0,
      "topFormation": "Heath Fm",
      "topCounty": "MUSSELSHELL",
      "dataAsOf": "2026-08-19"
    },
    {
      "rank": 52,
      "operatorSlug": null,
      "operatorName": "MONT MIL OPERATING COMPANY",
      "wellCount": 133,
      "recentPermitCount": 0,
      "ducCount": 120,
      "producingWellCount": 10,
      "topFormation": "Sweetgrass Arch",
      "topCounty": "PONDERA",
      "dataAsOf": "2026-08-19"
    },
    {
      "rank": 53,
      "operatorSlug": null,
      "operatorName": "OMIMEX CANADA",
      "wellCount": 132,
      "recentPermitCount": 0,
      "ducCount": 67,
      "producingWellCount": 33,
      "topFormation": "Sweetgrass Arch",
      "topCounty": "BLAINE",
      "dataAsOf": "2026-08-19"
    },
    {
      "rank": 54,
      "operatorSlug": null,
      "operatorName": "K2 AMERICA",
      "wellCount": 126,
      "recentPermitCount": 0,
      "ducCount": 52,
      "producingWellCount": 25,
      "topFormation": "Sweetgrass Arch",
      "topCounty": "GLACIER",
      "dataAsOf": "2026-08-19"
    },
    {
      "rank": 55,
      "operatorSlug": null,
      "operatorName": "MONDAK UTILITIES COMPANY & FIDELITY GAS COMPANY",
      "wellCount": 126,
      "recentPermitCount": 0,
      "ducCount": 72,
      "producingWellCount": 0,
      "topFormation": "Judith RIver- Eagle",
      "topCounty": "FALLON",
      "dataAsOf": "2026-08-19"
    },
    {
      "rank": 56,
      "operatorSlug": "texas-pacific-oil-company",
      "operatorName": "TEXAS PACIFIC OIL COMPANY",
      "wellCount": 125,
      "recentPermitCount": 0,
      "ducCount": 42,
      "producingWellCount": 0,
      "topFormation": "Sweetgrass Arch",
      "topCounty": "TOOLE",
      "dataAsOf": "2026-08-19"
    },
    {
      "rank": 57,
      "operatorSlug": "cenex",
      "operatorName": "CENEX",
      "wellCount": 124,
      "recentPermitCount": 0,
      "ducCount": 51,
      "producingWellCount": 24,
      "topFormation": "Central Montana Uplift",
      "topCounty": "PETROLEUM",
      "dataAsOf": "2026-08-19"
    },
    {
      "rank": 58,
      "operatorSlug": "cline-production-company",
      "operatorName": "CLINE PRODUCTION COMPANY",
      "wellCount": 121,
      "recentPermitCount": 0,
      "ducCount": 28,
      "producingWellCount": 90,
      "topFormation": "Heath Fm",
      "topCounty": "ROSEBUD",
      "dataAsOf": "2026-08-19"
    },
    {
      "rank": 59,
      "operatorSlug": null,
      "operatorName": "WILLISTON BASIN INTERSTATE PIPELINE COMPANY",
      "wellCount": 121,
      "recentPermitCount": 0,
      "ducCount": 56,
      "producingWellCount": 48,
      "topFormation": "Judith RIver- Eagle",
      "topCounty": "FALLON",
      "dataAsOf": "2026-08-19"
    },
    {
      "rank": 60,
      "operatorSlug": null,
      "operatorName": "BACON J R DRILLING",
      "wellCount": 120,
      "recentPermitCount": 0,
      "ducCount": 48,
      "producingWellCount": 2,
      "topFormation": "Sweetgrass Arch",
      "topCounty": "TOOLE",
      "dataAsOf": "2026-08-19"
    },
    {
      "rank": 61,
      "operatorSlug": "highline-operating-llc",
      "operatorName": "HIGHLINE EXPLORATION",
      "wellCount": 116,
      "recentPermitCount": 0,
      "ducCount": 17,
      "producingWellCount": 88,
      "topFormation": "Powder River Basin",
      "topCounty": "BIG HORN",
      "dataAsOf": "2026-08-19"
    },
    {
      "rank": 62,
      "operatorSlug": "carter-oil-company",
      "operatorName": "CARTER OIL COMPANY",
      "wellCount": 116,
      "recentPermitCount": 0,
      "ducCount": 80,
      "producingWellCount": 1,
      "topFormation": "Sweetgrass Arch",
      "topCounty": "GLACIER",
      "dataAsOf": "2026-08-19"
    },
    {
      "rank": 63,
      "operatorSlug": "ohio-oil-company",
      "operatorName": "OHIO OIL COMPANY",
      "wellCount": 116,
      "recentPermitCount": 0,
      "ducCount": 59,
      "producingWellCount": 0,
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}