{"name":"Oelze Elmer Jr Drilling Activity in Jefferson County, Illinois","publisher":"Buckhead Energy","url":"https://www.buckheadenergy.com/operators/oelze-elmer-jr/illinois/jefferson-il","license":"https://creativecommons.org/licenses/by/4.0/","dataAsOf":"2026-08-06","source":"Public state oil & gas well-header records (permits, spuds, completions).","operator":"Oelze Elmer Jr","operatorSlug":"oelze-elmer-jr","state":"IL","county":"Jefferson","totalWells":75,"producingWells":0,"permits24mo":0,"spuds24mo":0,"ducCount":0,"topFormation":null,"rankInCounty":7,"firstPermitDate":"1979-08-17","lastPermitDate":"2014-12-24"}