{"name":"Marathon Oil Company Drilling Activity in Ogemaw County, Michigan","publisher":"Buckhead Energy","url":"https://www.buckheadenergy.com/operators/marathon-oil-company/michigan/ogemaw","license":"https://creativecommons.org/licenses/by/4.0/","dataAsOf":"2026-07-04","source":"Public state oil & gas well-header records (permits, spuds, completions).","operator":"Marathon Oil Company","operatorSlug":"marathon-oil-company","state":"MI","county":"Ogemaw","totalWells":147,"producingWells":40,"permits24mo":0,"spuds24mo":0,"ducCount":0,"topFormation":"Antrim","rankInCounty":1,"firstPermitDate":"1933-07-01","lastPermitDate":"1998-01-27"}