2,265 wells across 489 active operators, with 0 drilling permits filed in the last 24 months.
Refreshed monthly from BOGC well-header records. Data current as of 2026-08-23.
Quick answer: The Heath Fm formation in Montana has 2,265 wells on record across 489 active operators, with 0 drilling permits filed in the last 24 months (as of 2026-08-23). Its most active operators by well count are Cline Production Company, Conocophillips Company, Tomahawk Oil Company, True Oil and Texaco Exploration And Production. Compiled from Montana Board of Oil and Gas Conservation (BOGC) well-header records, refreshed monthly.
The operators with the most well counts targeting the Heath Fm formation in Montana:
| # | Operator | Wells in Heath Fm |
|---|---|---|
| 1 | Cline Production Company | 109 |
| 2 | Conocophillips Company | 100 |
| 3 | Tomahawk Oil Company | 94 |
| 4 | True Oil | 92 |
| 5 | Texaco Exploration And Production | 83 |
| 6 | Mcalester Fuel Company | 77 |
| 7 | Beartooth Oil & Gas Company | 52 |
| 8 | Phillips Petroleum Company | 36 |
| 9 | Montana Energy Company LLC | 35 |
| 10 | Fpco Oil And Gas Company | 33 |
The Montana counties with the most Heath Fm activity:
Rosebud, Musselshell, Petroleum, Garfield, Fergus
The Heath Fm is one of Montana's active oil and gas plays, with 2,265 wells on file across 489 distinct operators of record. Operators have filed 0 drilling permits targeting the Heath Fm in the last 24 months — a measure of how active the play is right now versus its historical baseline.
For mineral owners with interests in Rosebud, Musselshell, Petroleum, Garfield, Fergus, knowing whether your tract sits within an active Heath Fm footprint is a foundational valuation question. Active formations with consistent permit flow command premium pricing; legacy formations with steady but declining production are valued differently.
See all Montana oil & gas formations & plays · Download the Montana formations dataset (CSV)
2,265 wells target the Heath Fm in Montana, worked by 489 active operators, per BOGC well-header records (as of 2026-08-23).
By well count, the most active Heath Fm operators in Montana are Cline Production Company, Conocophillips Company, Tomahawk Oil Company, True Oil and Texaco Exploration And Production. The full ranking is in the table on this page.
Operators filed 0 drilling permits targeting the Heath Fm in the last 24 months — a live measure of current activity, per BOGC records.
Operators filed 0 new drilling permits targeting the Heath Fm in Montana over the last 24 months. New permits and spuds are the clearest signal of active Heath Fm drilling, per BOGC records (as of 2026-08-23).
Heath Fm activity in Montana currently spans 2,265 wells on record and 489 active operators, led by Cline Production Company, Conocophillips Company, Tomahawk Oil Company, True Oil and Texaco Exploration And Production, with 0 drilling permits filed in the last 24 months — refreshed monthly from Montana Board of Oil and Gas Conservation (BOGC) well-header records (as of 2026-08-23).
The most active Heath Fm counties in Montana are Rosebud, Musselshell, Petroleum, Garfield, Fergus.
Value depends on your net mineral acres or royalty decimal, the operator, the remaining drilling locations, and current oil and gas prices. Buckhead Energy checks your tract against current Heath Fm well and permit data and puts a free, no-obligation written offer in writing — this page is informational only, not a valuation.
Cite this dataset
Permanently archived and citable via a DOI on Zenodo (CERN), under a CC BY 4.0 license. DOI: 10.5281/zenodo.21442884 · View on Zenodo
License & attribution: This data is licensed CC BY 4.0. You are free to share and adapt it, including commercially, provided you credit “Buckhead Energy” and link back to this page or the DOI above.
Get a free written offer based on your specific tract, operator, and the current Heath Fm activity in your area.
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Formation: Heath Fm
State: Montana
Total wells: 2,265
Active operators: 489
Permits 24mo: 0
Last refresh: 2026-08-23