SAGD蒸汽腔三维物理模拟装置设计

Design of 3D Physical Simulation Device for SAGD Steam Chamber

针对现有与热力采油相关的物理模拟装置模型热损失大、装置耐压性能差和功能单一等一系列问题,参考现有的比例物理模拟实验装置,成功研制出了新型多功能可视化三维物理模拟模型。该装置针对现有热采物理模拟装置模型的弊端,该装置重点解决了以下几个难题并形成了特色技术:(1)增强油藏比例厚度,准确模拟非均质油藏;(2)在模拟过程可视化,实时监测与调控油藏动态;(3)增强保温能力,降低热损,提高热利用率,模拟结果准确化;(4)实验模拟多功能化:双水平井SAGD(蒸汽辅助重力泄油)、直井注蒸汽辅助水平井采油、蒸汽吞吐、VAPEX采油。该装置投入使用后,可以较好地模拟稠油热采特别是SAGD采油的生产动态,监控蒸汽腔发育情况,深化对稠油热采的机理和生产动态规律的认识,更好的指导稠油油藏的开发。

According to a series of problems associated with the existing physical simulation device for thermal recovery model of high heat loss, pressure device of poor performance and single function, the existing reference scale physical simulation experiment device, successfully developed a simulation model of a new multifunctional three-dimensional visualization of physics, and put forward the experimental technical route simulation device of steam injection in heavy oil reservoirs the proportion of 3D visualization of physics. The drawbacks of the existing physical device for thermal recovery device simulation model, the device mainly solves the following problems and the formation of technical characteristics： （1） enhance the proportion of reservoir thickness, accurate simulation of heterogeneous reservoir; （2） in the process of simulation, visualization, real-time monitoring and dynamic control of reservoirs; （3） enhance insulation capacity. reduce heat loss and improve the thermal efficiency, accurate simulation results; （4） experimental simulation of multi-function： SAGD double horizontal wells （SAGD）, direct steam injection wells auxiliary horizontal well production, steam stimulation, oil VAPEX. The device is put into use, can be used to simulate the thermal recovery of heavy oil production especially dynamic SAGD production, monitoring of steam chamber development, deepen the understanding of the mechanism of thermal recovery of heavy oil production and the dynamics of the development, to better guide the heavy oil reservoir.