The drilling companies that have actually completed wells within 15 miles of Shelby, ranked by how many, from the well logs each company filed with the state. Shelby is in Toole County.
In the last five years, 42 wells were completed within 15 miles of Shelby, by 7 different drilling companies. The most active was Olympus Technical Services, with 18. The three busiest companies drilled 73 percent of them, so work here is concentrated among a few outfits.
| Company | Wells within 15 mi | Latest | Closest well |
|---|---|---|---|
| Olympus Technical Services | 18 | 2024 | 5 mi |
| Montana Salinity Control Association | 7 | 2024 | 9 mi |
| Pioneer Technical Services Inc | 5 | 2022 | 0 mi |
| Aquasource Drilling Llc | 4 | 2026 | 7 mi |
| Boland Drilling | 3 | 2023 | 1 mi |
| West Central Environmental Consultants | 3 | 2023 | 0 mi |
| Water & Environmental Technologies | 1 | 2026 | 11 mi |
Source: MBMG Ground Water Information Center well logs completed 2021 to 2026, counted by distance from the center of Shelby. 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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