Fallon County, MT oil and gas wells
2,769 wells: 1,534 active, 685 plugged, run by 131 operators.
Fallon County, MT ranks #3 among Montana counties by wells on record, with 7% of the state's 42,060 wells. 1,534 of its wells (55%) are active, above the statewide share of 23%. Another 362 are shut in or temporarily abandoned. Of the 2,769 wells here with a type on record, 42% are gas wells, 27% oil wells and 15% disposal or injection wells. Drilling records here go back to 1915. 21 wells (1%) were drilled in 2016 or later, the most recent in 2023. 11 wells are listed as permitted or being drilled. Wells with a recorded depth average 5,803 ft. 131 operators have wells here. The largest by active wells is Ridge Oil & Gas, LLC, with 896 active (58% of the county's active wells).
Figures from the Montana Board of Oil and Gas Conservation, updated 2026-11-10.
Top operators in Fallon
Wells
Not plugged · All wells · Plugged · Orphaned · Disposal (SWD) and injection
| Well | API / ID | Status | Type | Operator |
|---|---|---|---|---|
| Unit 24-33C | 25-025-05272 | Shut in | Oil | 🔒 Sign in free |
| Unit 24-34CCH | 25-025-05167 | Active | Injection | 🔒 Sign in free |
| Unit 24-4BH | 25-025-05250 | Shut in | Oil | 🔒 Sign in free |
| Unit 24-5 | 25-025-21475 | Active | Oil | 🔒 Sign in free |
| Unit 24-6B | 25-025-05252 | Shut in | Oil | 🔒 Sign in free |
| Unit 24-8R | 25-025-21854 | Active | Oil | 🔒 Sign in free |
| Unit 24X-05BH | 25-025-22007 | Active | Oil | 🔒 Sign in free |
| Unit 24X-07 | 25-025-21188 | Permitted | Oil | 🔒 Sign in free |
| Unit 24X-09BH | 25-025-21902 | Active | Injection | 🔒 Sign in free |
| Unit 24X-12R | 25-025-21099 | Shut in | Oil | 🔒 Sign in free |
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Fallon County, MT well questions
How many oil and gas wells are in Fallon County, MT?
2,769 wells are on record: 1,534 active, 362 shut in or temporarily abandoned and 685 plugged.
Who operates the most wells in Fallon County, MT?
Ridge Oil & Gas, LLC, with 896 active wells and 940 wells on record here. The table above lists the top operators.
Are new wells still being drilled in Fallon County, MT?
Yes. 21 wells were drilled in 2016 or later, the most recent in 2023, and 11 more are permitted or being drilled.