Valley County, Montana Wells Summary
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Total wells
Last 12 months
Prior 12 months
Year-over-year
Valley County contains 634 wells on file, with top operators including Ridge Oil & Gas, LLC and A&S Mineral Development Company, LLC.
Wells in Valley span several oil & gas fields including Bowdoin and Lustre.
Most recent well on record: Water Test Hole, operated by No Bonded Operator — last updated March 2026.
Active drilling rigs · Baker Hughes snapshot, week of 2026-05-29
By basin
- 2 Williston
Drilling for
- 2 Oil
Valley 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.
634 wells plotted ·
0 active in last 60 days
Basemap © OpenStreetMap contributors · well data © Oil and Gas Information · tiles served by DynamoMap
Top Operators in Valley County by total wells
Operators: Ridge Oil & Gas, Llc, A&s Mineral Development Company, Llc, Exxon Corporation, Fidelity Exploration & Production Co., Midlands Gas Corp., Continental Resources Inc, Petroleum Corporation Of America, Atlantic Richfield Company, Seaboard Oil, Oryx Energy Company.
Top Oil & Gas Fields intersecting Valley County
Fields: Bowdoin, Lustre, Vandalia, Wildcat Valley, E, Midfork, Swanson Creek, Lustre, North, Autumn.
Top Counties in Montana most active by total wells
Compare Valley against the other busiest counties in Montana:
Recent wells
| Well Name | Last activity | Updates | Operator | API |
|---|---|---|---|---|
| Water Test Hole | 2026-03-18 | No Bonded Operator | 25105062800000 | |
| Texakoma Lustre 5-35 | 2025-02-02 | Texakoma Exploration & Production LLC | 25105215880000 | |
| Texakoma Lustre 3-34 | 2024-12-09 | Texakoma Exploration & Production LLC | 25105215860000 | |
| Texakoma Lustre 2-36 | 2024-11-03 | Texakoma Exploration & Production LLC | 25105215850000 | |
| Reddig 11-21 | 2024-08-26 | Hell Creek Crude LLC | 25105215870000 | |
| Olfert 11-4 | 2022-08-09 | Lustre Oil Company LLC | 25105215820000 | |
| Treasure 26-3143 302HC-C | 2015-09-15 | Treasure Operating Company, LLC | 25105215800000 | |
| Ft. Peck 6-32 | 2014-11-11 | A&S Mineral Development Company, LLC | 25105215790000 | |
| Federal 1-19A | 2012-11-02 | Coastal Petroleum Company | 25105215700000 | |
| Dahl 2-16 | 2012-08-09 | A&S Mineral Development Company, LLC | 25105215740000 |
Surface Ownership Records:
