Integrated hydrocracking process to produce light olefins, aromatics, and lubricating base oils from crude oil
AssigneeSaudi Arabian Oil Company (Saudi Aramco)
InventorsNicolas GOYHENEIX, Mohammed AL DOSSARY
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Abstract
A method of producing one or more olefins and one or more lubricating base oils is disclosed. The method includes hydrocracking hydrocarbons of a hydrocarbon feed stream that include vacuum gasoil to produce a stream that includes hydrocracked hydrocarbons. The method further includes fractionating the stream that includes hydrocracked hydrocarbons to form intermediate streams. The method further includes steam cracking one or more of the intermediate streams to produce at least one olefin and processing one or more of the intermediate streams to produce at least one lubricating base oil.
Claims20
A method of producing olefins and/or aromatics and lubricating base oils, the method comprising:
- hydrocracking a vacuum residue stream to produce a first stream comprising gasoil and a second stream comprising heavy unconverted oil;
- de-asphalting the second stream to produce a third stream comprising de-asphalted oil;
- processing at least a first portion of the third stream to produce one or more lubricating base oils, wherein the processing of the first portion of the third stream comprises subjecting, in a partial conversion hydrocracking unit, the first portion of the third stream to partial conversion hydrocracking conditions;
- and
- processing at least a portion of the first stream to produce one or more olefins and/or one or more aromatics, wherein the processing of the portion of the first stream comprises subjecting, in a maximum conversion hydrocracking unit, the portion of the first stream to maximum conversion hydrocracking conditions.
Dependencies are inferred from the claim text.