{"name":"Henigman Walter Estate Drilling Activity in Edgar County, Illinois","publisher":"Buckhead Energy","url":"https://www.buckheadenergy.com/operators/henigman-walter-estate/illinois/edgar","license":"https://creativecommons.org/licenses/by/4.0/","dataAsOf":"2026-08-06","source":"Public state oil & gas well-header records (permits, spuds, completions).","operator":"Henigman Walter Estate","operatorSlug":"henigman-walter-estate","state":"IL","county":"Edgar","totalWells":90,"producingWells":0,"permits24mo":0,"spuds24mo":0,"ducCount":0,"topFormation":"New Albany","rankInCounty":2,"firstPermitDate":"1949-08-12","lastPermitDate":"2014-05-28"}