It is no longer a secret that investing money on gas and oil is profitable because of the dependency of the world to those natural resources of fuel. Based on researches, the biggest oil reserves are in some countries like Saudi Arabia, Iran, Iraq, Kuwait, UAE, Nigeria, Libya, Venezuela, Canada, and Russia. Countries that have large gas reserves are Qatar, Saudi Arabia, Russia, Iran, UAE, Algeria, US, Iraq and Venezuela.Because of the dependency of fossil fuel, especially oil and gas, investment takes a huge role in the industry. Because it offers a very promising market, then millions of people are interesting to put their money on it. There are some different ways usually taken by oil and gas investors, which are the stock of major oil company, medium-sized oil and gas company, independent oil and gas company, mutual funds, drilling funds, commodities trading and royalty funds.