{"name":"Carter Oil Company Drilling Activity in Coles County, Illinois","publisher":"Buckhead Energy","url":"https://www.buckheadenergy.com/operators/carter-oil-company/illinois/coles","license":"https://creativecommons.org/licenses/by/4.0/","dataAsOf":"2026-08-06","source":"Public state oil & gas well-header records (permits, spuds, completions).","operator":"Carter Oil Company","operatorSlug":"carter-oil-company","state":"IL","county":"Coles","totalWells":60,"producingWells":0,"permits24mo":0,"spuds24mo":0,"ducCount":0,"topFormation":null,"rankInCounty":4,"firstPermitDate":"1940-02-03","lastPermitDate":"1994-06-09"}