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  • Open Access

    ARTICLE

    CO2 Injection to Mitigate Reservoir Damage in Edge/Bottom-Water Condensate Gas Reservoirs

    Wen Wang1,*, Yulong Zhao1, Bo Li2, Bowen Guan1, Haoran Sun1,3, Tao Zhang1

    FDMP-Fluid Dynamics & Materials Processing, Vol.21, No.9, pp. 2331-2357, 2025, DOI:10.32604/fdmp.2025.068990 - 30 September 2025

    Abstract Condensate gas reservoirs have attracted increasing attention in recent years due to their significant development potential and dual value from both natural gas and condensate oil. However, their exploitation is often hindered by the dual challenges of retrograde condensation and water invasion, which can markedly reduce recovery factors. CO2 injection offers a promising solution by alleviating condensate blockage, suppressing water influx, and simultaneously enabling geological CO2 storage. Accordingly, research on optimizing CO2 injection to mitigate formation damage is critical for the efficient development and management of edge- and bottom-water condensate gas reservoirs. In this study, a long-core… More >

  • Open Access

    ARTICLE

    Numerical Simulation of Asphaltene Precipitation and Deposition during Natural Gas and CO2 Injection

    Shasha Feng*, Yi Liao, Weixin Liu, Jianwen Dai, Mingying Xie, Li Li

    FDMP-Fluid Dynamics & Materials Processing, Vol.20, No.2, pp. 275-292, 2024, DOI:10.32604/fdmp.2023.041825 - 14 December 2023

    Abstract Asphaltene deposition is a significant problem during gas injection processes, as it can block the porous medium, the wellbore, and the involved facilities, significantly impacting reservoir productivity and ultimate oil recovery. Only a few studies have investigated the numerical modeling of this potential effect in porous media. This study focuses on asphaltene deposition due to natural gas and CO2 injection. Predictions of the effect of gas injection on asphaltene deposition behavior have been made using a 3D numerical simulation model. The results indicate that the injection of natural gas exacerbates asphaltene deposition, leading to a significant… More > Graphic Abstract

    Numerical Simulation of Asphaltene Precipitation and Deposition during Natural Gas and CO<sub>2</sub> Injection

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