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Marathon Oil Company: wells in Montana

Also operates in OK (374), LA (551), AR (35), TX (545), NM (170), PA (5), GOM (115), ND (1,328), CO (58), WY (1,457), AK (32), CA (164), UT (45), KS (424), MS (40), MI (544), IL (13), IN (56), NV (13), AZ (1).

Where they operate

CountyActiveWells
Carter04
Sheridan03
Valley02
Daniels02
Treasure01
Musselshell01
Fallon01
Big Horn01
Beaverhead01

Wells

Not plugged · All wells · Plugged · Orphaned

WellAPI / IDStatusType
No wells match.

Operator names are shown as each state records them. Data as of 2026-10-19.