Petroleum Chemistry is made of a blend of various hydrocarbons. The most productive hydrocarbons found in the chemistry of petroleum are alkanes, these are likewise some of the time knows as fanned or direct hydrocarbons. A critical level of the staying concoction compound is the comprised of sweet-smelling hydrocarbons and cycloalkanes. Moreover petroleum chemistry contains a few more perplexing hydrocarbons, for example, asphaltenes. Each topographical area and henceforth oil field will deliver a crude petroleum with an alternate mix of particles relying on the general level of every hydrocarbon it contains, this straightforwardly influences the colouration and thickness of the petroleum chemistry. The essential type of hydrocarbons in the chemistry of petroleum are the alkanes, which are likewise regularly named paraffins. These are named immersed hydrocarbons and the display either extended or straight particle chains.