The qualifications and skills that you need to get a petroleum engineering internship include enrollment as a student in an engineering degree program and completion of relevant coursework related to your internship responsibilities. If you perform field work, you usually need to undergo safety training before starting your internship. Petroleum engineering students qualify for internship opportunities, but options are also available for mechanical and chemical engineering students. Some internships are for college juniors and seniors, while others accept any students who meet grade point average requirements.