Fallon County, MT oil and gas wells
2,769 wells: 1,532 active, 680 plugged, run by 131 operators.
Figures from the Montana Board of Oil and Gas Conservation, updated 2026-10-19.
Top operators in Fallon
Wells
Not plugged · All wells · Plugged · Orphaned
| Well | API / ID | Status | Type | Operator |
|---|---|---|---|---|
| Unit 21X-7 | 25-025-05563 | Temporarily abandoned | Oil | MMGL MT I, LLC |
| Unit 21X20 | 25-025-05521 | Active | Oil | MMGL MT I, LLC |
| Unit 22-01A | 25-025-05259 | Shut in | Oil | MMGL MT I, LLC |
| Unit 22-08B | 25-025-05244 | Shut in | Oil | MMGL MT I, LLC |
| Unit 22-09RH | 25-025-05377 | Active | Injection | MMGL MT I, LLC |
| Unit 22-10CCH | 25-025-05144 | Active | Injection | MMGL MT I, LLC |
| Unit 22-10H | 25-025-05370 | Active | Injection | MMGL MT I, LLC |
| Unit 22-11CCH | 25-025-05145 | Active | Injection | MMGL MT I, LLC |
| Unit 22-11H | 25-025-05371 | Temporarily abandoned | Injection | MMGL MT I, LLC |
| Unit 22-12 | 25-025-05373 | Temporarily abandoned | Injection | MMGL MT I, LLC |
| Unit 22-13H (WI) | 25-025-05353 | Active | Injection | MMGL MT I, LLC |
| Unit 22-15CCH | 25-025-05718 | Temporarily abandoned | Injection | MMGL MT I, LLC |
| Unit 22-15H (WI) | 25-025-05350 | Temporarily abandoned | Injection | MMGL MT I, LLC |
| Unit 22-16B | 25-025-05719 | Active | Disposal | MMGL MT I, LLC |
| Unit 22-17BH | 25-025-05690 | Active | Injection | MMGL MT I, LLC |
| Unit 22-19 | 25-025-05025 | Active | Injection | MMGL MT I, LLC |
| Unit 22-19BH | 25-025-05203 | Active | Injection | MMGL MT I, LLC |
| Unit 22-19C | 25-025-05330 | Temporarily abandoned | Injection | MMGL MT I, LLC |
| Unit 22-20B | 25-025-05205 | Active | Injection | MMGL MT I, LLC |
| Unit 22-20CRH | 25-025-21283 | Active | Injection | MMGL MT I, LLC |
| Unit 22-21BH | 25-025-05208 | Active | Injection | MMGL MT I, LLC |
| Unit 22-22BH | 25-025-05206 | Active | Injection | MMGL MT I, LLC |
| Unit 22-22H | 25-025-21439 | Shut in | Oil | MMGL MT I, LLC |
| Unit 22-23 | 25-025-05331 | Temporarily abandoned | Injection | MMGL MT I, LLC |
| Unit 22-24 | 25-025-05333 | Active | Injection | MMGL MT I, LLC |
| Unit 22-25 | 25-025-05309 | Temporarily abandoned | Injection | MMGL MT I, LLC |
| Unit 22-26 | 25-025-05310 | Active | Oil | MMGL MT I, LLC |
| Unit 22-26AH | 25-025-21290 | Active | Injection | MMGL MT I, LLC |
| Unit 22-27BH | 25-025-05188 | Active | Injection | MMGL MT I, LLC |
| Unit 22-28BH | 25-025-05724 | Active | Injection | MMGL MT I, LLC |
| Unit 22-28C | 25-025-21272 | Active | Oil | MMGL MT I, LLC |
| Unit 22-29CH | 25-025-05305 | Active | Injection | MMGL MT I, LLC |
| Unit 22-30C | 25-025-05729 | Active | Injection | MMGL MT I, LLC |
| Unit 22-30H | 25-025-05012 | Active | Oil | MMGL MT I, LLC |
| Unit 22-31C | 25-025-05280 | Active | Injection | MMGL MT I, LLC |
| Unit 22-32C | 25-025-05282 | Shut in | Oil | MMGL MT I, LLC |
| Unit 22-32CCH | 25-025-05170 | Active | Injection | MMGL MT I, LLC |
| Unit 22-33 | 25-025-05173 | Active | Oil | MMGL MT I, LLC |
| Unit 22-33C | 25-025-05281 | Temporarily abandoned | Oil | MMGL MT I, LLC |
| Unit 22-34CCH | 25-025-05172 | Active | Injection | MMGL MT I, LLC |
| Unit 22-4B | 25-025-21329 | Temporarily abandoned | Oil | MMGL MT I, LLC |
| Unit 22-5B | 25-025-05264 | Active | Injection | MMGL MT I, LLC |
| Unit 22-7BH | 25-025-05242 | Active | Injection | MMGL MT I, LLC |
| Unit 22-8 | 25-025-05054 | Active | Oil | MMGL MT I, LLC |
| Unit 22-8R | 25-025-21476 | Active | Oil | MMGL MT I, LLC |
| Unit 22-9 | 25-025-05148 | Temporarily abandoned | Injection | MMGL MT I, LLC |
| Unit 22-9B | 25-025-05241 | Active | Injection | MMGL MT I, LLC |
| Unit 22X-10AH | 25-025-21593 | Shut in | Oil | MMGL MT I, LLC |
| Unit 22X-10H | 25-025-21957 | Temporarily abandoned | Injection | MMGL MT I, LLC |
| Unit 22X-10R | 25-025-21014 | Active | Oil | MMGL MT I, LLC |
| Unit 22X-11H | 25-025-21932 | Active | Injection | MMGL MT I, LLC |
| Unit 22X-17 | 25-025-21083 | Active | Oil | MMGL MT I, LLC |
| Unit 22X-20 | 25-025-21131 | Active | Oil | MMGL MT I, LLC |
| Unit 22X-6R | 25-025-21074 | Active | Oil | MMGL MT I, LLC |
| Unit 22X-7 | 25-025-21377 | Active | Injection | MMGL MT I, LLC |
| Unit 23-01A | 25-025-05256 | Temporarily abandoned | Injection | MMGL MT I, LLC |
| Unit 23-02H | 25-025-21286 | Active | Oil | MMGL MT I, LLC |
| Unit 23-07 | 25-025-05551 | Temporarily abandoned | Injection | MMGL MT I, LLC |
| Unit 23-07R | 25-025-21938 | Temporarily abandoned | Injection | MMGL MT I, LLC |
| Unit 23-08 | 25-025-05554 | Active | Oil | MMGL MT I, LLC |
| Unit 23-13 | 25-025-05036 | Active | Injection | MMGL MT I, LLC |
| Unit 23-16H | 25-025-05533 | Temporarily abandoned | Injection | MMGL MT I, LLC |
| Unit 23-21 | 25-025-05000 | Active | Injection | MMGL MT I, LLC |
| Unit 23-21BH | 25-025-22241 | Active | Oil | MMGL MT I, LLC |
| Unit 23-31 | 25-025-05596 | Active | Injection | MMGL MT I, LLC |
| Unit 23-33 | 25-025-05455 | Active | Injection | MMGL MT I, LLC |
| Unit 23-33RS | 25-025-21483 | Active | Oil | MMGL MT I, LLC |
| Unit 23-6 | 25-025-05618 | Shut in | Oil | MMGL MT I, LLC |
| Unit 23X-17A | 25-025-21485 | Active | Disposal | MMGL MT I, LLC |
| Unit 23X-17AR | 25-025-21500 | Active | Oil | MMGL MT I, LLC |
| Unit 23X-17R | 25-025-21940 | Active | Injection | MMGL MT I, LLC |
| Unit 23X-18B | 25-025-22024 | Shut in | Oil | MMGL MT I, LLC |
| Unit 23X-20BH | 25-025-22708 | Active | Oil | MMGL MT I, LLC |
| Unit 23X-20H | 25-025-05699 | Active | Oil | MMGL MT I, LLC |
| Unit 23X-20R | 25-025-21454 | Temporarily abandoned | Oil | MMGL MT I, LLC |
| Unit 23X-27H | 25-025-22400 | Shut in | Oil | MMGL MT I, LLC |
| Unit 23X-28AR | 25-025-21101 | Active | Oil | MMGL MT I, LLC |
| Unit 23X-29BH | 25-025-21878 | Active | Oil | MMGL MT I, LLC |
| Unit 23X-32CCH | 25-025-21853 | Shut in | Oil | MMGL MT I, LLC |
| Unit 24-02H | 25-025-21393 | Active | Oil | MMGL MT I, LLC |
| Unit 24-03 | 25-025-05152 | Active | Disposal | MMGL MT I, LLC |
| Unit 24-03H | 25-025-05378 | Active | Injection | MMGL MT I, LLC |
| Unit 24-05H | 25-025-05058 | Active | Injection | MMGL MT I, LLC |
| Unit 24-07BH | 25-025-05239 | Active | Oil | MMGL MT I, LLC |
| Unit 24-10 | 25-025-05139 | Temporarily abandoned | Oil | MMGL MT I, LLC |
| Unit 24-10H | 25-025-05360 | Temporarily abandoned | Oil | MMGL MT I, LLC |
| Unit 24-11 | 25-025-05133 | Active | Water supply | MMGL MT I, LLC |
| Unit 24-14 | 25-025-05343 | Temporarily abandoned | Oil | MMGL MT I, LLC |
| Unit 24-15B | 25-025-05219 | Active | Injection | MMGL MT I, LLC |
| Unit 24-15H | 25-025-05345 | Active | Oil | MMGL MT I, LLC |
| Unit 24-16BH | 25-025-05220 | Active | Injection | MMGL MT I, LLC |
| Unit 24-17B | 25-025-05218 | Temporarily abandoned | Oil | MMGL MT I, LLC |
| Unit 24-18B | 25-025-05221 | Active | Oil | MMGL MT I, LLC |
| Unit 24-20BH | 25-025-05195 | Active | Injection | MMGL MT I, LLC |
| Unit 24-20C | 25-025-05316 | Temporarily abandoned | Oil | MMGL MT I, LLC |
| Unit 24-21BH | 25-025-05193 | Active | Injection | MMGL MT I, LLC |
| Unit 24-21CH | 25-025-21381 | Active | Oil | MMGL MT I, LLC |
| Unit 24-21H | 25-025-21316 | Active | Oil | MMGL MT I, LLC |
| Unit 24-22BH | 25-025-05723 | Active | Injection | MMGL MT I, LLC |
| Unit 24-23 | 25-025-05319 | Temporarily abandoned | Injection | MMGL MT I, LLC |