{"name":"Z & L Oil LLC Drilling Activity in Elk County, Kansas","publisher":"Buckhead Energy","url":"https://www.buckheadenergy.com/operators/z-l-oil-llc/kansas/elk-ks","license":"https://creativecommons.org/licenses/by/4.0/","dataAsOf":"2026-09-04","source":"Public state oil & gas well-header records (permits, spuds, completions).","operator":"Z & L Oil LLC","operatorSlug":"z-l-oil-llc","state":"KS","county":"Elk","totalWells":134,"producingWells":100,"permits24mo":0,"spuds24mo":1,"ducCount":20,"topFormation":"Excello-Mulky","rankInCounty":1,"firstPermitDate":"1957-07-18","lastPermitDate":"2022-02-09"}