3,507 wells across 135 recorded operators, with 0 drilling permits filed in the 24-month window at summary refresh.
Buckhead Energy analysis of public oil and gas data. Formation summary date: 2026-11-06.
Quick answer: The Judith River- Eagle formation in Montana has 3,507 wells on record across 135 recorded operators, with 0 drilling permits filed in the 24-month window at source refresh. Its operators with the most wells on record are Mmgl Mt I, LLC, Ridge Oil & Gas, Shell Oil Company, Wbi Energy Transmission and Fidelity Exploration & Production Company. Source: Buckhead Energy analysis of public oil and gas data. Formation summary date: 2026-11-06.
The operators with the most well counts targeting the Judith River- Eagle formation in Montana:
| # | Operator | Wells in Judith River- Eagle |
|---|---|---|
| 1 | Mmgl Mt I, LLC | 1,105 |
| 2 | Ridge Oil & Gas | 940 |
| 3 | Shell Oil Company | 249 |
| 4 | Wbi Energy Transmission | 199 |
| 5 | Fidelity Exploration & Production Company | 171 |
| 6 | Encore Operating | 121 |
| 7 | Burlington Resources Oil & Gas Company | 72 |
| 8 | Williston Basin Interstate Pipeline Company | 65 |
| 9 | Mondak Utilities Company & Fidelity Gas Company | 65 |
| 10 | Denbury Onshore | 60 |
The Montana counties with the most Judith River- Eagle activity:
Fallon, Wibaux, Dawson, Prairie
The Judith River- Eagle is not among the Montana formations tracked separately in the yearly permit mix, so only statewide permit counts are shown.
| Year | State permits | This formation | Share | Median lateral |
|---|---|---|---|---|
| 2026 | 208 | — | — | — |
| 2025 | 54 | — | — | — |
| 2024 | 72 | — | — | — |
| 2023 | 61 | — | — | — |
| 2022 | 65 | — | — | — |
| 2021 | 50 | — | — | — |
| 2020 | 22 | — | — | — |
| 2019 | 75 | — | — | — |
Share of each year’s Montana drilling permits by target formation, for the formations with the most permits.
| Year | Williston Basin | Bakken | Sweetgrass Arch | Powder River Basin | Central Montana Uplift | Heath Fm |
|---|---|---|---|---|---|---|
| 2026 | 95.2% | — | 1.4% | — | — | — |
| 2025 | 85.2% | 7.4% | 7.4% | — | — | — |
| 2024 | 90.3% | — | 5.6% | — | 4.2% | — |
| 2023 | 75.4% | 4.9% | 9.8% | — | 4.9% | — |
| 2022 | 63.1% | 9.2% | 13.8% | — | 9.2% | — |
| 2021 | 42% | 38% | 12% | — | 8% | — |
| 2020 | 54.5% | — | — | — | — | — |
| 2019 | 28% | 16% | 8% | 34.7% | 4% | 5.3% |
Buckhead Energy computes every figure on this page from grouped records in public oil and gas data. The page shows counts, sums, percentiles and indexes only; it does not list individual wells, leases or permits.
Counts under 3 wells and percentiles under 5 wells are withheld; totals are floors.
Share is the formation’s permits as a percent of the state’s permits that year. Median lateral length is published only when at least 5 permits stand behind it.
Last computed: 2026-11-06. These figures are informational only and are not a valuation of any mineral or royalty interest.
The Judith River- Eagle is a formation/play group recorded in Montana, with 3,507 wells on file across 135 distinct operators of record. Operators have filed 0 drilling permits targeting the Judith River- Eagle in the 24-month window at summary refresh. These are stored records, not a live measure of drilling.
Recorded formation activity provides regional context. It does not establish ownership, future production, royalty payments or a value for an individual tract. Consult qualified professionals about your specific interest.
3,507 wells target the Judith River- Eagle in Montana, worked by 135 recorded operators, per Buckhead Energy analysis of public oil and gas data. Formation summary date: 2026-11-06.
The Judith River- Eagle operators with the most wells on record in Montana are Mmgl Mt I, LLC, Ridge Oil & Gas, Shell Oil Company, Wbi Energy Transmission and Fidelity Exploration & Production Company. The full ranking is in the table on this page. Formation summary date: 2026-11-06.
Operators filed 0 drilling permits targeting the Judith River- Eagle in the 24-month window at source refresh, per Buckhead Energy analysis of public oil and gas data. Formation summary date: 2026-11-06.
Operators filed 0 new drilling permits targeting the Judith River- Eagle in Montana in the 24-month window at source refresh. New permits and spuds record reported activity stages; they do not establish ongoing drilling, per Buckhead Energy analysis of public oil and gas data. Formation summary date: 2026-11-06.
Judith River- Eagle activity in Montana includes 3,507 wells on record and 135 recorded operators, with 0 drilling permits filed in the 24-month window at source refresh — from Buckhead Energy analysis of public oil and gas data. Formation summary date: 2026-11-06.
The primary counties recorded for Judith River- Eagle in Montana are Fallon, Wibaux, Dawson, Prairie. Formation summary date: 2026-11-06.
Value depends on your net mineral acres or royalty decimal, the operator, the remaining drilling locations, and current oil and gas prices. This page is informational only, not a valuation. Formation summary date: 2026-11-06.
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Get Your Free Written OfferFormation: Judith River- Eagle
State: Montana
Total wells: 3,507
Recorded operators: 135
Permits 24mo: 0
Summary date: 2026-11-06
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