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首页> 外文会议>International ocean and polar engineering conference;International Society of Offshore and Polar Engineers >Study on Dynamic Simulation for Produced Oil-gas-water Mixtures Treatment Process in Offshore Heavy Oil Thermal Recovery
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Study on Dynamic Simulation for Produced Oil-gas-water Mixtures Treatment Process in Offshore Heavy Oil Thermal Recovery

机译：海上重油热采过程中油气水混合物采出过程动态模拟研究

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摘要

Viscous oil recovery with steam injection is the most widely used onshore and offshore at present, and the oil-gas-water mixtures extracted by the method has some significant features when compared with the mixtures exploited by common recovery method. The yield, water-cut and temperature of mixtures at the wellhead, change periodically with steam injection. Due to the fluctuation of production, the steady-state simulation, which is common used in the design, cannot depict the characteristics of the process. Therefore, Aspen HYSYS Dynamic tool is selected to build a dynamic model which has a great conformance with actual production. The results show that dynamic simulation with Aspen HYSYS dynamic module, can accurately represent the fluctuation of flowrates, wellhead temperature, component and so forth, and with the dynamic method, the fluctuation of mixtures’ temperature can be obtained. It reveals the relationship of the yield, component and wellhead temperature along times, and indicate that the water cut of mixtures reach the lowest point in a period when the mixtures’ temperature is at its minimum. The heater loading is reduced by 20.9% by using the dynamic simulation tool at last. By putting the second batch of wells go into operation half cycle ahead of schedule, the design heat loading is reduced by 32.54%.o
机译：蒸汽注入稠油采收是目前陆上和海上使用最广泛的方法，与常规采油方法相比，该方法提取的油气水混合物具有一些明显的特点。井口处的混合物的产率，含水率和温度随蒸汽注入而定期变化。由于生产的波动，设计中常用的稳态仿真无法描述过程的特征。因此，选择了Aspen HYSYS Dynamic工具来建立与实际生产高度吻合的动态模型。结果表明，利用Aspen HYSYS动态模块进行动态模拟，可以准确地表示流量，井口温度，组成等的波动，并通过动态方法可以得到混合物温度的波动。它揭示了产量，组分和井口温度随时间的关系，并指示混合物的含水率在混合物的温度处于最低温度时达到最低点。最后，通过使用动态仿真工具，加热器的负载减少了20.9％。通过使第二批油井提前半周投入运行，设计热负荷减少了32.54％.o

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