{"name":"Energy Reserves Group Drilling Activity in Butte County, South Dakota","publisher":"Buckhead Energy","url":"https://www.buckheadenergy.com/operators/energy-reserves-group/southdakota/butte","license":"https://creativecommons.org/licenses/by/4.0/","dataAsOf":"2026-08-04","source":"Public state oil & gas well-header records (permits, spuds, completions).","operator":"Energy Reserves Group","operatorSlug":"energy-reserves-group","state":"SD","county":"Butte","totalWells":2,"producingWells":0,"permits24mo":0,"spuds24mo":0,"ducCount":2,"topFormation":null,"rankInCounty":6,"firstPermitDate":"1976-08-30","lastPermitDate":"1976-08-30"}