Valley County, MT oil and gas wells
640 wells: 171 active, 413 plugged, run by 150 operators.
Valley County, MT ranks #19 among Montana counties by wells on record, with 2% of the state's 42,051 wells. 171 of its wells (27%) are active, above the statewide share of 23%. Another 34 are shut in or temporarily abandoned. Of the 639 wells here with a type on record, 40% are dry holes, 37% gas wells and 18% oil wells. Drilling records here go back to 1913. 5 wells (1%) were drilled in 2016 or later, the most recent in 2025. 6 wells are listed as permitted or being drilled. Wells with a recorded depth average 3,766 ft. 150 operators have wells here. The largest by active wells is Ridge Oil & Gas, LLC, with 130 active (76% of the county's active wells).
Figures from the Montana Board of Oil and Gas Conservation, updated 2026-11-02.
Top operators in Valley
Wells
Not plugged · All wells · Plugged · Orphaned
| Well | API / ID | Status | Type | Operator |
|---|---|---|---|---|
| FEDERAL 1 | 25-105-05045 | Plugged | Dry hole | 🔒 Sign in free |
| FEDERAL 1-0296 | 25-105-21142 | Plugged | Gas | 🔒 Sign in free |
| FEDERAL 1-0707 | 25-105-21162 | Plugged | Gas | 🔒 Sign in free |
| FEDERAL 1-19 | 25-105-21132 | Plugged | Dry hole | 🔒 Sign in free |
| FEDERAL 1-19 | 25-105-21224 | Status not reported | Water supply | 🔒 Sign in free |
| FEDERAL 1-1907 | 25-105-21148 | Plugged | Gas | 🔒 Sign in free |
| FEDERAL 1-20 | 25-105-21090 | Plugged | Dry hole | 🔒 Sign in free |
| FEDERAL 1-21 | 25-105-21194 | Plugged | Dry hole | 🔒 Sign in free |
| FEDERAL 1-21 | 25-105-21209 | Plugged | Dry hole | 🔒 Sign in free |
| FEDERAL 1-21 | 25-105-21220 | Plugged | Dry hole | 🔒 Sign in free |
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Valley County, MT well questions
How many oil and gas wells are in Valley County, MT?
640 wells are on record: 171 active, 34 shut in or temporarily abandoned and 413 plugged.
Who operates the most wells in Valley County, MT?
Ridge Oil & Gas, LLC, with 130 active wells and 139 wells on record here. The table above lists the top operators.
Are new wells still being drilled in Valley County, MT?
Yes. 5 wells were drilled in 2016 or later, the most recent in 2025, and 6 more are permitted or being drilled.