{"name":"The Carter Oil Drilling Activity in Shelby County, Illinois","publisher":"Buckhead Energy","url":"https://www.buckheadenergy.com/operators/the-carter-oil/illinois/shelby-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":"The Carter Oil","operatorSlug":"the-carter-oil","state":"IL","county":"Shelby","totalWells":132,"producingWells":0,"permits24mo":0,"spuds24mo":0,"ducCount":0,"topFormation":null,"rankInCounty":1,"firstPermitDate":"1970-01-01","lastPermitDate":"1992-08-15"}