{"name":"Citation Oil & Gas Drilling Activity in Marion County, Illinois","publisher":"Buckhead Energy","url":"https://www.buckheadenergy.com/operators/citation-oil-gas-corp/illinois/marion-il","license":"https://creativecommons.org/licenses/by/4.0/","dataAsOf":"2026-07-04","source":"Public state oil & gas well-header records (permits, spuds, completions).","operator":"Citation Oil & Gas","operatorSlug":"citation-oil-gas-corp","state":"IL","county":"Marion","totalWells":338,"producingWells":0,"permits24mo":4,"spuds24mo":0,"ducCount":0,"topFormation":null,"rankInCounty":1,"firstPermitDate":"1970-01-01","lastPermitDate":"2024-11-21"}