SYNTHETIC OIL PRODUCTION METHOD Russian patent published in 2017 - IPC C10G1/00 C10G2/00 C10J3/46 C10G31/08 C10G21/14 C10G19/00 C07C1/00 

FIELD: oil and gas industry.

SUBSTANCE: process of synthetic oil production is carried out from unconventional oil stock. The method involves the preliminary preparation of the oil stock by preparing the emulsified suspension from the oil residue, crushed shale and water, the further partial oxidation of emulsified suspension by steam-oxygen gasification in the gasifier of continuous action at a temperature 1000-1400°C, pressure 1.0-3.0 MPa, and the oxygen concentration in the blast - not less than 95 rev.%, the following cooling of the obtained gasification products, further provide the purification of the cooled gasification products, at first by washing with the hydrocarbon fraction, boiled above 250°C with emission of black-hydrocarbon suspension, further provide the water purification of the gasification products with separation of black-water suspension with ashes components and provide the final purification of gasification products from the sulfur compounds by water solution of alkaline sorbent agent, obtaining the cleared synthetic natural gas with ratio H₂:CO from 1.5:1 upto 2.5:1. Further the product is converted according to the Fischer-Tropsch synthesis method in the tubular reactor with the fixed layer of the cobalt based catalyst at the temperature of 180-280°C, the pressure of 2.0-4.5 MPa and the feed space velocity of 2500 upto 10000 h^-1, the synthetic oil with the fractions content of boiled upto the temperature of 360°C not less than 50 wt is obtained from the hydrocarbons mixture after the separation of hydrocarbon gases and reaction water %.

EFFECT: improvement of the environmental characteristics of the method due to reduction of the emission into the atmosphere, simplification of the technology.

2 cl, 2 tbl, 1 dwg, 2 ex