{"name":"Union Oil Company Drilling Activity in Clare County, Michigan","publisher":"Buckhead Energy","url":"https://www.buckheadenergy.com/operators/union-oil-company/michigan/clare","license":"https://creativecommons.org/licenses/by/4.0/","dataAsOf":"2026-08-06","source":"Public state oil & gas well-header records (permits, spuds, completions).","operator":"Union Oil Company","operatorSlug":"union-oil-company","state":"MI","county":"Clare","totalWells":18,"producingWells":0,"permits24mo":0,"spuds24mo":0,"ducCount":0,"topFormation":"Antrim","rankInCounty":8,"firstPermitDate":"1938-07-18","lastPermitDate":"1938-12-01"}