Forecast of technological indicators for the implementation of carbon dioxide injection in conditions of depleted deposits of the Ural-Volga region
SOCAR PROCEEDINGS(2023)
Abstract
This article presents the results of theoretical studies of the mechanism of the effect of CO2 on residual oil in depleted fields. The task of studying the filtration processes of gas-liquid mixtures has been solved using mathematical modeling. A hydrodynamic model of the process of oil displacement by carbon dioxide is proposed, from which, under certain assumptions, equations describing various mechanisms of displacement can be obtained. In addition, methods for calculating the process of flooding of reservoirs with the use of carbon dioxide are considered. Using the example of a landfill site of one of the Ural-Volga deposits, the forecast technological efficiency of using carbon dioxide to increase oil recovery is calculated.
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Key words
efficiency improvement,modeling,oil displacement,injection,carbon dioxide,oil recovery
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