{"name":"Vess Oil Drilling Activity in Butler County, Kansas","publisher":"Buckhead Energy","url":"https://www.buckheadenergy.com/operators/vess-oil-corporation/kansas/butler-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":"Butler","totalWells":735,"producingWells":552,"permits24mo":0,"spuds24mo":1,"ducCount":150,"topFormation":null,"rankInCounty":1,"firstPermitDate":"1963-11-01","lastPermitDate":"2024-03-01"}