{"name":"Donnewald James H Drilling Activity in St Clair County, Illinois","publisher":"Buckhead Energy","url":"https://www.buckheadenergy.com/operators/donnewald-james-h/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":"Donnewald James H","operatorSlug":"donnewald-james-h","state":"IL","county":"St Clair","totalWells":30,"producingWells":0,"permits24mo":0,"spuds24mo":0,"ducCount":0,"topFormation":null,"rankInCounty":8,"firstPermitDate":"1969-06-14","lastPermitDate":"2011-11-04"}