FIELD: oil-and-gas industry.
SUBSTANCE: invention relates to transportation of oil and oil products. High-viscosity and waxy oils are prepared for pipeline transportation by adding hydrocarbon diluter thereto. Note here that said diluter represents the product of oil fraction thermolysis extracted in heated oil fractionation and consists of the mix of gas-diesel fraction and oxygen-bearing products resulted from steam-carbon dioxide conversion of associated petroleum gas into synthesis gas and subsequent conversion at Fischer-Tropsch catalyst at CO:H2 ratio of 1:1.8-3, 190-300°C and 0.12-40.0 MPa, while gaseous products are directed to mixing with initial associated petroleum gas.
EFFECT: higher process efficiency.
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