{"source":"jobsjobsjobsapp.com","title":"Petroleum Engineer","city":"Oakland","state":"CA","url":"https://jobsjobsjobsapp.com/data/salaries/petroleum-engineer/oakland/","avg_salary":91600,"salary_min":20000,"salary_max":140000,"total_jobs":0,"salary_histogram":{"140000":9,"80000":11,"40000":9,"60000":5,"20000":2,"100000":7,"120000":9},"updated_at":"2026-04-18T04:30:53.522000"}