{"name":"Consolidated Oil & Gas Drilling Activity in Shiawassee County, Michigan","publisher":"Buckhead Energy","url":"https://www.buckheadenergy.com/operators/consolidated-oil-gas/michigan/shiawassee","license":"https://creativecommons.org/licenses/by/4.0/","dataAsOf":"2026-08-06","source":"Public state oil & gas well-header records (permits, spuds, completions).","operator":"Consolidated Oil & Gas","operatorSlug":"consolidated-oil-gas","state":"MI","county":"Shiawassee","totalWells":115,"producingWells":0,"permits24mo":0,"spuds24mo":0,"ducCount":0,"topFormation":"Antrim","rankInCounty":1,"firstPermitDate":null,"lastPermitDate":null}