{"name":"Shell Oil Company Drilling Activity in Contra Costa County, California","publisher":"Buckhead Energy","url":"https://www.buckheadenergy.com/operators/shell-oil-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":"Shell Oil Company","operatorSlug":"shell-oil-company","state":"CA","county":"Contra Costa","totalWells":38,"producingWells":1,"permits24mo":0,"spuds24mo":0,"ducCount":37,"topFormation":null,"rankInCounty":3,"firstPermitDate":"1944-05-09","lastPermitDate":"1967-06-16"}