{"name":"Union Oil Company Of California Drilling Activity in Orange County, California","publisher":"Buckhead Energy","url":"https://www.buckheadenergy.com/operators/union-oil-company-of-california/california/orange-ca","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 Of California","operatorSlug":"union-oil-company-of-california","state":"CA","county":"Orange","totalWells":489,"producingWells":176,"permits24mo":0,"spuds24mo":0,"ducCount":0,"topFormation":"Monterey","rankInCounty":5,"firstPermitDate":"1976-12-01","lastPermitDate":"2019-02-11"}