{"name":"Marquis Carbon Injection, LLC Drilling Activity in Putnam County, Illinois","publisher":"Buckhead Energy","url":"https://www.buckheadenergy.com/operators/marquis-carbon-injection-llc/illinois/putnam-il","license":"https://creativecommons.org/licenses/by/4.0/","dataAsOf":"2026-08-06","source":"Public state oil & gas well-header records (permits, spuds, completions).","operator":"Marquis Carbon Injection, LLC","operatorSlug":"marquis-carbon-injection-llc","state":"IL","county":"Putnam","totalWells":4,"producingWells":0,"permits24mo":1,"spuds24mo":0,"ducCount":0,"topFormation":null,"rankInCounty":3,"firstPermitDate":"1970-01-01","lastPermitDate":"2026-04-10"}