{"name":"Heartland Oil & Gas Drilling Activity in Doniphan County, Kansas","publisher":"Buckhead Energy","url":"https://www.buckheadenergy.com/operators/heartland-oil-gas/kansas/doniphan","license":"https://creativecommons.org/licenses/by/4.0/","dataAsOf":"2026-08-06","source":"Public state oil & gas well-header records (permits, spuds, completions).","operator":"Heartland Oil & Gas","operatorSlug":"heartland-oil-gas","state":"KS","county":"Doniphan","totalWells":5,"producingWells":0,"permits24mo":0,"spuds24mo":0,"ducCount":5,"topFormation":null,"rankInCounty":2,"firstPermitDate":"2001-11-02","lastPermitDate":"2004-01-05"}