Granite County, Montana Wells Summary
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Total wells
Most recent drilling
First on record
Activity status
Granite County contains 9 wells on file, with top operators including Nyvatex Oil Corporation and Trans-Texas Energy, Inc..
Most recent well on record: Wilson 2, operated by Nyvatex Oil Corporation — last updated August 1983.
Active drilling rigs · Baker Hughes snapshot, week of 2026-05-29
By basin
- 2 Williston
Drilling for
- 2 Oil
Granite 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.
9 wells plotted ·
0 active in last 60 days
Basemap © OpenStreetMap contributors · well data © Oil and Gas Information · tiles served by DynamoMap
Top Operators in Granite County by total wells
Operators: Nyvatex Oil Corporation, Trans-Texas Energy, Inc., Energy Operating Corporation.
Top Counties in Montana most active by total wells
Compare Granite against the other busiest counties in Montana:
Recent wells
| Well Name | Last activity | Updates | Operator | API |
|---|---|---|---|---|
| Wilson 2 | 1983-08-26 | Nyvatex Oil Corporation | 25039210090000 | |
| Wilson 1 | 1983-08-11 | Nyvatex Oil Corporation | 25039210080000 | |
| Henderson-Lorensen 2 | 1982-11-12 | Trans-Texas Energy, Inc. | 25039210070000 | |
| Henderson-Lorensen 1 | 1980-11-01 | Trans-Texas Energy, Inc. | 25039210060000 | |
| Henderson 2 | 1980-08-06 | Trans-Texas Energy, Inc. | 25039210050000 | |
| Henderson 1 | 1978-04-04 | Energy Operating Corporation | 25039210040000 | |
| Henderson 2 | 1976-04-04 | Nyvatex Oil Corporation | 25039210030000 | |
| Henderson 1 | 1975-08-30 | Nyvatex Oil Corporation | 25039210010000 | |
| Henderson 1-R | 1975-08-21 | Nyvatex Oil Corporation | 25039210020000 |
Surface Ownership Records:
