This chart shows crude petroleum details by Country.
Crude oil (a non-renewable resource) is usually found in underground areas called reservoirs. It is liquid in nature and yellowish black in colour. They are composed mainly of hydrocarbons and organic compounds. They are usually discovered by oil prospecting scientists.
Sometimes, petroleum and crude oil are used to mean the same thing, but petroleum itself is a broad range of petroleum products including crude oil itself. We use the term 'petroleum products after crude oil is refined in a factory.
Crude oil can exists either deep down in the earth's surface or deep below the ocean beds. Oil drills mounted in the oceans are known as offshore dills
9 years ago
