{"name":"Dart Cherokee Basin Operating Drilling Activity in Montgomery County, Kansas","publisher":"Buckhead Energy","url":"https://www.buckheadenergy.com/operators/dart-cherokee-basin-operating/kansas/montgomery","license":"https://creativecommons.org/licenses/by/4.0/","dataAsOf":"2026-09-04","source":"Public state oil & gas well-header records (permits, spuds, completions).","operator":"Dart Cherokee Basin Operating","operatorSlug":"dart-cherokee-basin-operating","state":"KS","county":"Montgomery","totalWells":569,"producingWells":281,"permits24mo":0,"spuds24mo":0,"ducCount":61,"topFormation":"Excello-Mulky","rankInCounty":3,"firstPermitDate":"1962-11-19","lastPermitDate":"2009-02-12"}