Abstract
Effective reservoir development and economically viable development of high-viscosity oil require experience and comprehensive experimental studies on the physical modeling of oil recovery processes using various technologies and displacement agents. The article discusses the filtration processes occurring in the reservoir during the injection of high-pressure water vapor. The results of the filtration experiments show that increasing the temperature to 90 °C makes it possible to effectively displace viscous oil from the reservoir models, while the displacement coefficient reaches 76 % after pumping 1.59 pore volumes of distilled water. It should be noted that the injection of low or demineralized aqueous fluids at reservoir temperature and pressure leads to rapid swelling of clay minerals of the formation rock, attenuation of filtration and loss of reservoir properties of the rock.
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