Qualifications
Do you own an oil company? Congratulations, you've already met all the qualifications.
Or, maybe you don't own an oil company, but have enough money to buy one? Congratulations, you too have already met all of the qualifications.
Do you have a bachelor's degree in chemistry, a master's in business administration, a doctorate in applied awesomeness, and certifications from Julliard, Harvard Law, and The School of Hard Knocks? Great. Now go work your butt off until you can afford to buy an oil company.