{"name":"Mobil Oil Drilling Activity in Butte County, South Dakota","publisher":"Buckhead Energy","url":"https://www.buckheadenergy.com/operators/mobil-oil/southdakota/butte","license":"https://creativecommons.org/licenses/by/4.0/","dataAsOf":"2026-08-06","source":"Public state oil & gas well-header records (permits, spuds, completions).","operator":"Mobil Oil","operatorSlug":"mobil-oil","state":"SD","county":"Butte","totalWells":2,"producingWells":0,"permits24mo":0,"spuds24mo":0,"ducCount":2,"topFormation":null,"rankInCounty":7,"firstPermitDate":"1963-08-05","lastPermitDate":"1963-09-25"}