A microscopic visualization experimental method for high temperature and high pressure gas flooding in deep reservoirs
A technology of high temperature and high pressure and experimental method, applied in the direction of TV, color TV, electrical components, etc., can solve the problems of low repeatability, difficult to reproduce the high temperature and high pressure conditions of the real reservoir, and difficult to wash the rock, so as to ensure the service life and realize the The effect of displacement differential pressure gradient control and temperature reduction
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[0044] A microscopic visualization experimental method for high temperature and high pressure gas drive oil in deep reservoirs, using a microscopic visualization experimental device, such as figure 1 It includes reservoir temperature and pressure coordinated control system, displacement reaction system, data acquisition and video recording system and auxiliary system. The main function of the reservoir temperature and pressure coordination control system is to simulate the formation pressure and temperature of the rock formation in the real reservoir environment. The reservoir temperature and pressure coordination control system includes a high-pressure sealing holder 16 , a sapphire window 23 for easy observation is arranged on the high-pressure sealing holder 16 , and a reservoir confining pressure ring cavity 15 is formed inside the high-pressure sealing holder 16 . The reservoir confining pressure ring cavity 15 is connected to the shell inlet of the high temperature heat...
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