{"name":"Downingnelson Oil Drilling Activity in Ellis County, Kansas","publisher":"Buckhead Energy","url":"https://www.buckheadenergy.com/operators/downingnelson-oil/kansas/ellis-ks","license":"https://creativecommons.org/licenses/by/4.0/","dataAsOf":"2026-08-06","source":"Public state oil & gas well-header records (permits, spuds, completions).","operator":"Downingnelson Oil","operatorSlug":"downingnelson-oil","state":"KS","county":"Ellis","totalWells":160,"producingWells":94,"permits24mo":3,"spuds24mo":2,"ducCount":50,"topFormation":null,"rankInCounty":7,"firstPermitDate":"1982-11-12","lastPermitDate":"2025-07-07"}