A NEW APPROACH TO MODELING THE THERMOBARIC CONDITIONS OF NON-ISOTHERMAL FILTRATION PROCESS OF MULTICOMPONENT MULTIPHASE FLUID UNDER HIGH-FREQUENCY ELECTROMAGNETIC INFLUENCE
UDC: 532.685
DOI: 10.33285/1999-6934-2021-6(126)-52-56
Authors:
KHISMATULLINA FARIDA S.
1,2,
DEMID MAXIM S.1,2
1 LUKOIL-Engineering, Moscow, Russian Federation
2 National University of Oil and Gas "Gubkin University", Moscow, Russian Federation
Keywords: high-frequency electromagnetic field, saturated porous medium, filtration, phase transition, fluid, high-viscous oil, hydrocarbon reservoir, heat and mass transfer process, non-isothermal PVT-model
Annotation:
This paper describes the filtration process of a multicomponent multiphase fluid – high-viscous oil with solid (in the extreme) inclusions, deposits of bitumen, paraffin or asphalt-resin-paraffin deposits in the reservoir. Under the influence of high-frequency electromagnetic radiation due to the field energy absorption, the formation and fluids are getting heated, resulting in the phase transition of solid inclusions into the liquid state. The impact of high-frequency electromagnetic heating is intensified by simultaneous injection of an agent miscible with formation fluid into the formation. The paper presents a model of miscible displacement of fluid by the agent, considering phase transitions under the influence of high-frequency electromagnetic fields. Special attention is paid to mathematical modeling of thermobaric conditions of non-isothermal process, i. e. PVT-properties of formation fluids. A new approach to building a unified non-isothermal PVT-model for numerical solution of the mathematical model of the process is presented.
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