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    • 1. 发明授权
    • Viscosity reduction processing at elevated pressure
    • 在高压下进行粘度降低处理
    • US4778586A
    • 1988-10-18
    • US58881
    • 1987-06-05
    • Richard L. BainJohn R. LarsonDennis D. GertenbachDaniel W. GillespieJoseph J. Leto
    • Richard L. BainJohn R. LarsonDennis D. GertenbachDaniel W. GillespieJoseph J. Leto
    • C10G9/00F17D1/18C10G9/14
    • C10G9/007F17D1/18Y10T137/0391
    • A method is disclosed for improving the transportability of a hydrocarbon composition by passing an influent feed stream of composition into a downcomer to provide a hydrostatic column of fluid. The influent stream is heated by heat exchange with an effluent product stream wherein at least one of the streams is in turbulent flow. The feed stream is pressurized by the hydrostatic pressure head to a reaction pressure of at least about 1000 psi. The heated and pressurized feed stream is contacted with an active heat source in a reaction zone to increase the temperature of the feed stream to a reaction temperature of between about 300.degree. C. and the coking temperature of the hydrocarbon composition. The temperature differential between the active heat source and the feed stream in the reaction zone is maintained at less than about 30.degree. C. to provide a treated effluent stream which is brought into heat exchange contact with the influent stream. The treated composition has a lower viscosity than the feed composition.
    • 公开了一种通过将组合物的进料进料流通入降液管来提供烃组合物的输送性以提供静液压流体的方法。 通过与流出物流的热交换来加热流入物流,其中至少一个物流处于湍流中。 进料流由静水压头加压至至少约1000psi的反应压力。 加热和加压的进料流与反应区中的活性热源接触以将进料流的温度升高至约300℃与烃组合物的焦化温度之间的反应温度。 将活性热源和反应区中的进料流之间的温差保持在低于约30℃,以提供与流入物流进行热交换接触的经处理的流出物流。 经处理的组合物的粘度低于进料组成。