{"name":"Il State Geological Survey Drilling Activity in St Clair County, Illinois","publisher":"Buckhead Energy","url":"https://www.buckheadenergy.com/operators/il-state-geological-survey/illinois/st-clair","license":"https://creativecommons.org/licenses/by/4.0/","dataAsOf":"2026-08-06","source":"Public state oil & gas well-header records (permits, spuds, completions).","operator":"Il State Geological Survey","operatorSlug":"il-state-geological-survey","state":"IL","county":"St Clair","totalWells":101,"producingWells":0,"permits24mo":0,"spuds24mo":0,"ducCount":0,"topFormation":null,"rankInCounty":3,"firstPermitDate":"1970-01-01","lastPermitDate":"2010-10-01"}