{"name":"Vess Oil Drilling Activity in Ellis County, Kansas","publisher":"Buckhead Energy","url":"https://www.buckheadenergy.com/operators/vess-oil-corporation/kansas/ellis-ks","license":"https://creativecommons.org/licenses/by/4.0/","dataAsOf":"2026-07-04","source":"Public state oil & gas well-header records (permits, spuds, completions).","operator":"Vess Oil","operatorSlug":"vess-oil-corporation","state":"KS","county":"Ellis","totalWells":175,"producingWells":123,"permits24mo":0,"spuds24mo":0,"ducCount":41,"topFormation":null,"rankInCounty":4,"firstPermitDate":"1958-07-23","lastPermitDate":"2019-09-19"}