Oil and gas programs can help students learn about how fossil fuels are located, extracted, processed, and refined, preparing them to work within the field of energy production. Subjects covered might include everything from geology to chemical engineering.

A diploma is a document granted by any number of institutions, from colleges to technical schools. The intention of a diploma is to show that the holder has successfully completed coursework and has specific knowledge in the relevant subject. Diplomas are often offered and can be completed online.