Molecular Reconstruction of Crude Oil

Molecular reconstruction methods allow creating mixtures of molecules from partial analysis data. Suitable properties estimation equations for hydrocarbons are selected through verification. Then virtual molecules of crude oil are obtained through Monte Carlo random sampling method. With the mixing rules of hydrocarbon properties, objective function is obtained by comparing with analytical properties. Appropriate optimization algorithm is selected to minimize the objective function, and the content of virtual molecules is further adjusted according to the actual fraction distribution of crude oil. Verification results showed the reliability of this method and further application on other crude oils proved its practicality.