Graduating from university never really guarantees you a well paid job but some degrees definitely give you a higher chance of finding one. According to Payscale, Petroleum Engineering is the United States' best bachelor's degree for a large salary.
Despite the revolution in renewable energy, petroleum engineers in the United States can expect to earn around $97,500 in the first five years of their career, with typical pay rising to $212,500 after ten years of experience has been collected.