{"name":"Cardinal Petroleum Drilling Activity in Toole County, Montana","publisher":"Buckhead Energy","url":"https://www.buckheadenergy.com/operators/cardinal-petroleum/montana/toole","license":"https://creativecommons.org/licenses/by/4.0/","dataAsOf":"2026-08-06","source":"Public state oil & gas well-header records (permits, spuds, completions).","operator":"Cardinal Petroleum","operatorSlug":"cardinal-petroleum","state":"MT","county":"Toole","totalWells":95,"producingWells":0,"permits24mo":0,"spuds24mo":0,"ducCount":78,"topFormation":null,"rankInCounty":5,"firstPermitDate":"1959-08-28","lastPermitDate":"1972-10-17"}