{"name":"Atlantic Richfield Company Drilling Activity in Valley County, Montana","publisher":"Buckhead Energy","url":"https://www.buckheadenergy.com/operators/atlantic-richfield-company/montana/valley","license":"https://creativecommons.org/licenses/by/4.0/","dataAsOf":"2026-07-04","source":"Public state oil & gas well-header records (permits, spuds, completions).","operator":"Atlantic Richfield Company","operatorSlug":"atlantic-richfield-company","state":"MT","county":"Valley","totalWells":18,"producingWells":0,"permits24mo":0,"spuds24mo":0,"ducCount":18,"topFormation":null,"rankInCounty":3,"firstPermitDate":"1969-05-19","lastPermitDate":"1986-08-11"}