{"name":"Occidental Petroleum (Oxy) Drilling Activity in Big Horn County, Montana","publisher":"Buckhead Energy","url":"https://www.buckheadenergy.com/operators/occidental/montana/bighorn","license":"https://creativecommons.org/licenses/by/4.0/","dataAsOf":"2026-08-06","source":"Public state oil & gas well-header records (permits, spuds, completions).","operator":"Occidental Petroleum (Oxy)","operatorSlug":"occidental","state":"MT","county":"Big Horn","totalWells":13,"producingWells":0,"permits24mo":0,"spuds24mo":0,"ducCount":0,"topFormation":null,"rankInCounty":8,"firstPermitDate":"2003-10-24","lastPermitDate":"2004-01-18"}