{"name":"Sohio Petroleum Company Drilling Activity in Ottawa County, Michigan","publisher":"Buckhead Energy","url":"https://www.buckheadenergy.com/operators/sohio-petroleum-company/michigan/ottawa-mi","license":"https://creativecommons.org/licenses/by/4.0/","dataAsOf":"2026-09-04","source":"Public state oil & gas well-header records (permits, spuds, completions).","operator":"Sohio Petroleum Company","operatorSlug":"sohio-petroleum-company","state":"MI","county":"Ottawa","totalWells":18,"producingWells":0,"permits24mo":0,"spuds24mo":0,"ducCount":0,"topFormation":"Antrim","rankInCounty":3,"firstPermitDate":"1939-10-11","lastPermitDate":"1947-07-09"}