{"name":"Mach Resources Drilling Activity in Marshall County, Oklahoma","publisher":"Buckhead Energy","url":"https://www.buckheadenergy.com/operators/mach-resources/oklahoma/marshall-ok","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":"Marshall","totalWells":159,"producingWells":107,"permits24mo":0,"spuds24mo":0,"ducCount":21,"topFormation":"Woodford","rankInCounty":2,"firstPermitDate":"1899-12-31","lastPermitDate":"2008-10-15"}