{"name":"Sterling Drilling Company Drilling Activity in Custer County, South Dakota","publisher":"Buckhead Energy","url":"https://www.buckheadenergy.com/operators/sterling-drilling-company/southdakota/custer","license":"https://creativecommons.org/licenses/by/4.0/","dataAsOf":"2026-08-06","source":"Public state oil & gas well-header records (permits, spuds, completions).","operator":"Sterling Drilling Company","operatorSlug":"sterling-drilling-company","state":"SD","county":"Custer","totalWells":6,"producingWells":0,"permits24mo":0,"spuds24mo":0,"ducCount":4,"topFormation":null,"rankInCounty":2,"firstPermitDate":"1962-10-05","lastPermitDate":"1962-10-31"}