{"name":"Marathon Oil Company Drilling Activity in Hamilton County, Illinois","publisher":"Buckhead Energy","url":"https://www.buckheadenergy.com/operators/marathon-oil-company/illinois/hamilton-il","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":"IL","county":"Hamilton","totalWells":64,"producingWells":0,"permits24mo":0,"spuds24mo":0,"ducCount":0,"topFormation":null,"rankInCounty":2,"firstPermitDate":"1970-01-01","lastPermitDate":"2001-10-05"}