{"name":"Willis Well Service LLC Drilling Activity in Jefferson County, Kansas","publisher":"Buckhead Energy","url":"https://www.buckheadenergy.com/operators/willis-well-service-llc/kansas/jefferson-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":"Willis Well Service LLC","operatorSlug":"willis-well-service-llc","state":"KS","county":"Jefferson","totalWells":42,"producingWells":35,"permits24mo":0,"spuds24mo":0,"ducCount":7,"topFormation":null,"rankInCounty":5,"firstPermitDate":"1984-07-20","lastPermitDate":"2006-07-31"}