Dynamic simulation method for process of treating produced liquid of offshore extra/super heavy oil thermal production

The invention discloses a dynamic simulation method for a process of treating produced liquid of offshore extra/super heavy oil thermal production, and relates to the field of offshore extra/super heavy oil thermal production development. The dynamic simulation method comprises the following steps of fitting oil production capacity, water production capacity and logistics temperature data of single wells to polynomial functions; establishing a relationship with an integrator in Aspen Hysys software, introducing a time variable, and calculating oil-water physical properties changed with time; associating the polynomial functions with oil-gas-water physical property parameters, judging cycles which different time belongs to through a judgment function, and calculating fluctuation conditionsof logistics and temperature in the cycles; and calculating temperature of a mixture after the produced liquids of the single wells are mixed through dynamic simulation. The dynamic simulation methodsolves the problem that co