{"name":"Ashland Oil & Refining Drilling Activity in Coles County, Illinois","publisher":"Buckhead Energy","url":"https://www.buckheadenergy.com/operators/ashland-oil-refining/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":"Ashland Oil & Refining","operatorSlug":"ashland-oil-refining","state":"IL","county":"Coles","totalWells":52,"producingWells":0,"permits24mo":0,"spuds24mo":0,"ducCount":0,"topFormation":null,"rankInCounty":6,"firstPermitDate":"1970-01-01","lastPermitDate":"1998-11-10"}