{"name":"Layne Western Drilling Activity in Mason County, Illinois","publisher":"Buckhead Energy","url":"https://www.buckheadenergy.com/operators/layne-western/illinois/mason-il","license":"https://creativecommons.org/licenses/by/4.0/","dataAsOf":"2026-09-04","source":"Public state oil & gas well-header records (permits, spuds, completions).","operator":"Layne Western","operatorSlug":"layne-western","state":"IL","county":"Mason","totalWells":10,"producingWells":0,"permits24mo":0,"spuds24mo":0,"ducCount":0,"topFormation":null,"rankInCounty":2,"firstPermitDate":"1970-01-01","lastPermitDate":"1985-06-11"}