Petrochemical engineering is a discipline of chemical engineering that deals with the methods involved in using modern technology to refine petroleum or crude oil. For a long time, Petrochemical Engineering, also known as Petroleum Engineering or Oil and Gas Engineering, has been in high demand. In today's world, petrochemical engineering encompasses all operations connected to the extraction of gas or minerals. It is one of the fields of Chemical Engineering that educates individuals on how to collect raw materials from the Earth ethically and successfully use appropriate tools and machinery.