System and process for producing diluent from dilbit, transportation, and treatment of heavy oil
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United States of America Patent
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Jul 11, 2023
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N/A
app pub date -
Nov 25, 2021
filing date -
Nov 27, 2020
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Abstract
A process for producing diluent for use in a hydrocarbon recovery process includes heating a dilbit feed stream comprising hydrocarbons produced from a hydrocarbon reservoir and an added diluent, to a temperature of 350° C. or less, fractionating the dilbit feed stream after heating to produce a light fraction and a heavy fraction, the light fraction comprising the diluent, additional light hydrocarbons, and sour water, separating the sour water from a remainder of the light fraction, and stabilizing the remainder of the light fraction to provide recovered diluent and cooling the recovered diluent. A volume of the recovered diluent is greater than a volume of the added diluent.
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