Petroleum engineering is involved in the exploration and production activities of petroleum as an upstream end of the energy sector. Upstream refers to the process of finding and extracting oil, which is usually buried deep beneath the earth's surface, to provide a continuous supply to consumers "downstream". Petroleum engineering covers a wide range of topics, including economics, geology, geochemistry, geomechanics, geophysics, oil drilling, geopolitics, knowledge management, seismology, tectonics, thermodynamics, well logging, well completion, oil and gas production, reservoir development, and pipelines.
Petroleum engineers divide themselves into several types:
1.Reservoir engineers 2.Drilling engineers 3.Production engineers