{"name":"Marathon Oil Company Drilling Activity in Big Horn County, Wyoming","publisher":"Buckhead Energy","url":"https://www.buckheadenergy.com/operators/marathon-oil-company/wyoming/big-horn","license":"https://creativecommons.org/licenses/by/4.0/","dataAsOf":"2026-07-02","source":"Public state oil & gas well-header records (permits, spuds, completions).","operator":"Marathon Oil Company","operatorSlug":"marathon-oil-company","state":"WY","county":"Big Horn","totalWells":152,"producingWells":36,"permits24mo":0,"spuds24mo":0,"ducCount":84,"topFormation":null,"rankInCounty":2,"firstPermitDate":"1909-11-30","lastPermitDate":"2016-10-18"}