{"name":"Phillips Petroleum Company Drilling Activity in Contra Costa County, California","publisher":"Buckhead Energy","url":"https://www.buckheadenergy.com/operators/phillips-petroleum-company/california/contra-costa","license":"https://creativecommons.org/licenses/by/4.0/","dataAsOf":"2026-08-06","source":"Public state oil & gas well-header records (permits, spuds, completions).","operator":"Phillips Petroleum Company","operatorSlug":"phillips-petroleum-company","state":"CA","county":"Contra Costa","totalWells":16,"producingWells":2,"permits24mo":0,"spuds24mo":0,"ducCount":14,"topFormation":null,"rankInCounty":8,"firstPermitDate":"1964-06-19","lastPermitDate":"1981-08-28"}