{"name":"Columbus Oilfield Exploration Company Drilling Activity in Marion County, Ohio","publisher":"Buckhead Energy","url":"https://www.buckheadenergy.com/operators/columbus-oilfield-exploration-company/ohio/marion-oh","license":"https://creativecommons.org/licenses/by/4.0/","dataAsOf":"2026-09-04","source":"Public state oil & gas well-header records (permits, spuds, completions).","operator":"Columbus Oilfield Exploration Company","operatorSlug":"columbus-oilfield-exploration-company","state":"OH","county":"Marion","totalWells":7,"producingWells":1,"permits24mo":0,"spuds24mo":0,"ducCount":2,"topFormation":null,"rankInCounty":2,"firstPermitDate":"1995-11-27","lastPermitDate":"1997-03-26"}