{"name":"Union Oil Company Of California Drilling Activity in Cavalier County, North Dakota","publisher":"Buckhead Energy","url":"https://www.buckheadenergy.com/operators/union-oil-company-of-california/northdakota/cavalier","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":"ND","county":"Cavalier","totalWells":5,"producingWells":0,"permits24mo":0,"spuds24mo":0,"ducCount":5,"topFormation":null,"rankInCounty":2,"firstPermitDate":"1951-05-20","lastPermitDate":"1954-01-30"}