The drilling companies that have actually completed wells within 15 miles of Colstrip, ranked by how many, from the well logs each company filed with the state. Colstrip is in Rosebud County.
In the last five years, 106 wells were completed within 15 miles of Colstrip, by 6 different drilling companies. The most active was Askin Drilling, with 57. The three busiest companies drilled 93 percent of them, so work here is concentrated among a few outfits.
| Company | Wells within 15 mi | Latest | Closest well |
|---|---|---|---|
| Askin Drilling | 57 | 2026 | 1 mi |
| Ronald L Askin Drilling | 24 | 2023 | 1 mi |
| Higgins Drilling Company | 18 | 2025 | 1 mi |
| Central Drilling Inc | 5 | 2024 | 6 mi |
| 406 Water Wells, Llc | 1 | 2025 | 14 mi |
| Gary Mayes Drilling Inc | 1 | 2022 | 11 mi |
Source: MBMG Ground Water Information Center well logs completed 2021 to 2026, counted by distance from the center of Colstrip. Only logs that name a company are ranked. This is a count of public records, not a recommendation; see how to check a driller before you hire. For depth, yield and water level near a specific property, see Montana Water Report.
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