Lake County, Montana Wells Summary
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Total wells
Most recent drilling
First on record
Activity status
Lake County contains 4 wells on file, with top operators including Clouse, John D and Kalispell-Polson Oil Co..
Most recent well on record: Cornelius 1, operated by Nyvatex Oil Corporation — last updated October 1980.
Active drilling rigs · Baker Hughes snapshot, week of 2026-05-29
By basin
- 2 Williston
Drilling for
- 2 Oil
Lake County well density
Every dot is one well — small blue dots are historic wells;
larger orange dots are wells with activity in the last 60 days.
4 wells plotted ·
0 active in last 60 days
Basemap © OpenStreetMap contributors · well data © Oil and Gas Information · tiles served by DynamoMap
Top Operators in Lake County by total wells
Operators: Clouse, John D, Kalispell-Polson Oil Co., Missoula-Flathead Oil Pools, Nyvatex Oil Corporation.
Top Counties in Montana most active by total wells
Compare Lake against the other busiest counties in Montana:
Recent wells
| Well Name | Last activity | Updates | Operator | API |
|---|---|---|---|---|
| Cornelius 1 | 1980-10-20 | Nyvatex Oil Corporation | 25047210010000 | |
| L. Barnier 1 | 1958-12-28 | Clouse, John D | 25047050000000 | |
| Missoula-Flathead 1 | 1930-12-01 | Missoula-Flathead Oil Pools | 25047050010000 | |
| Deaver 1 | 1929-12-01 | Kalispell-Polson Oil Co. | 25047050020000 |
Surface Ownership Records:
