{"name":"Black Star Petroleum Drilling Activity in Brown County, Illinois","publisher":"Buckhead Energy","url":"https://www.buckheadenergy.com/operators/black-star-petroleum/illinois/brown-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":"Black Star Petroleum","operatorSlug":"black-star-petroleum","state":"IL","county":"Brown","totalWells":27,"producingWells":0,"permits24mo":0,"spuds24mo":0,"ducCount":0,"topFormation":null,"rankInCounty":8,"firstPermitDate":"1982-10-28","lastPermitDate":"1986-03-12"}