{"name":"Mach Resources Drilling Activity in Custer County, Oklahoma","publisher":"Buckhead Energy","url":"https://www.buckheadenergy.com/operators/mach-resources/oklahoma/custer","license":"https://creativecommons.org/licenses/by/4.0/","dataAsOf":"2026-07-02","source":"Public state oil & gas well-header records (permits, spuds, completions).","operator":"Mach Resources","operatorSlug":"mach-resources","state":"OK","county":"Custer","totalWells":126,"producingWells":121,"permits24mo":7,"spuds24mo":5,"ducCount":3,"topFormation":"Red Fork","rankInCounty":4,"firstPermitDate":"1899-12-31","lastPermitDate":"2026-04-15"}