{"name":"Petro Evaluation Serv Drilling Activity in Lake County, Ohio","publisher":"Buckhead Energy","url":"https://www.buckheadenergy.com/operators/petro-evaluation-serv/ohio/lake","license":"https://creativecommons.org/licenses/by/4.0/","dataAsOf":"2026-08-06","source":"Public state oil & gas well-header records (permits, spuds, completions).","operator":"Petro Evaluation Serv","operatorSlug":"petro-evaluation-serv","state":"OH","county":"Lake","totalWells":52,"producingWells":39,"permits24mo":1,"spuds24mo":0,"ducCount":2,"topFormation":"Utica","rankInCounty":3,"firstPermitDate":"1978-07-12","lastPermitDate":"2026-03-31"}