{"name":"Forest Oil Drilling Activity in Cumberland County, Illinois","publisher":"Buckhead Energy","url":"https://www.buckheadenergy.com/operators/forest-oil/illinois/cumberland-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":"Forest Oil","operatorSlug":"forest-oil","state":"IL","county":"Cumberland","totalWells":873,"producingWells":0,"permits24mo":0,"spuds24mo":0,"ducCount":0,"topFormation":null,"rankInCounty":1,"firstPermitDate":"1970-01-01","lastPermitDate":"2013-04-26"}