Petroleum Survey (Petroleum Explorer) a career operating on the exploration, production and development of source of petroleum. Which is a valuable natural resources underground and the utilize extensive at present. In general. " Petroleum explorers and scientists in 3 is a branch of petroleum geologist (Petroleum Geologist) a Petroleum Geophysics (Petroleum. Geophysicist) and Petroleum Engineers (Petroleum Engineer), which must work together as a protocol. To obtain the petroleum resources underground.