{"name":"Vanroyen Oil And Gas Drilling Activity in Elk County, Kansas","publisher":"Buckhead Energy","url":"https://www.buckheadenergy.com/operators/vanroyen-oil-and-gas/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":"Vanroyen Oil And Gas","operatorSlug":"vanroyen-oil-and-gas","state":"KS","county":"Elk","totalWells":71,"producingWells":57,"permits24mo":0,"spuds24mo":0,"ducCount":2,"topFormation":"Excello-Mulky","rankInCounty":3,"firstPermitDate":"1978-03-08","lastPermitDate":"1995-10-04"}