1887

Abstract

Summary

This study has designed a CO2 flooding microscopic sandstone model using core samples from Chang 8 reservoir of Jiyuan oilfield, Ordos Basin. By modifying the core holder for the microscopic sandstone model to withstand high temperature and pressure, a set of high-temperature and high-pressure CO2 flooding microscopic visualization displacement apparatus has been established. This apparatus accurately characterizes the CO2 flooding seepage characteristics of ultra-low permeability reservoir cores and analyzes the influencing factors of CO2 flooding efficiency. It aims to provide theoretical guidance for future field trials and practical applications of CO2 flooding in this type of reservoir.

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/content/papers/10.3997/2214-4609.202510184
2025-06-02
2026-02-12
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References

  1. Al-Bayati, D., Saeedi, A., Xie, Q., Myers, M.B. and White, C. [2018] Influence of permeability heterogeneity on miscible CO2 flooding efficiency in sandstone reservoirs: An experimental investigation. Transport in Porous Media, 125, 341–356.
    [Google Scholar]
  2. Ding, Y.G., Qiao, L., Li, Z.H., Luo, R.B., Han, G.D., Tan, J.Q. and Liu, X. [2025] Experimental study on oil recovery characteristics of different CO2 flooding methods in sandstone reservoirs with NMR. Fuel, 385, 134124.
    [Google Scholar]
  3. Li, X., Xue, J., Wang, Y., Yang, W. and Lu, J. [2022] Experimental study of oil recovery from pore of different sizes in tight sandstone reservoirs during CO2 flooding. Journal of Petroleum Science and Engineering, 208, 109740.
    [Google Scholar]
  4. Li, T., Gao, H., Ni, J., Wang, C., Cheng, Z. and Xue, J. [2023] Research on the differential oil producing in the various scale pores under different CO2 flooding modes with a fluid distribution pore classification method. Energy Fuels, 37, 3775–3784.
    [Google Scholar]
  5. Qin, G.W., Dai, X., Sui, L., Geng, M., Sun, L.H. and Zheng, Y.Z. [2021] Study of massive water huffn-puff technique in tight oil field and its field application. Journal of Petroleum Science and Engineering, 196, 107514.
    [Google Scholar]
  6. Qin, Z., Arshadi, M. and Piri, M. [2019] Micro-scale experimental investigations of multiphase flow in oil-wet carbonates. II. Tertiary gas injection and WAG. Fuel, 257, 116012.
    [Google Scholar]
  7. Wang, L., Lei, X., Zhang, Q.L., Yao, G.Q., Sui, B. and Chen, X.J. [2024] Experimental study of the effects of a multistage pore-throat structure on the seepage characteristics of sandstones in the Beibuwan Basin: Insights into the flooding mode. Petroleum Science, 21(2), 1044–1061.
    [Google Scholar]
  8. Xiao, P., Yang, Z., Wang, X., Xiao, H. and Wang, X. [2017] Experimental investigation on CO2 injection in the Daqing extra/ultra-low permeability reservoir. Journal of Petroleum Science and Engineering, 149, 765–771.
    [Google Scholar]
  9. Xiao, W.L., Yang, Y.B., Li, M., Li, N., You, J.X. and Zhao, J.Z. [2021] Experimental study on the oil production characteristics during the waterflooding of different types of reservoirs in Ordos Basin, NW China. Petroleum Exploration and Development, 48(4), 807–816.
    [Google Scholar]
  10. Xue, L., Zhang, J., Chen, G., Wang, X.Y., Huang, X. and Li, X. [2025] Enhance oil recovery by carbonized water flooding in tight oil reservoirs. Geoenergy Science and Engineering, 244, 213430.
    [Google Scholar]
  11. Yuan, S., Ma, D., Li, J., Zhou, T., Ji, Z. and Han, H. [2022] Progress and prospects of carbon dioxide capture, EOR-utilization and storage industrialization. Petroleum Exploration and Development, 49, 955–962.
    [Google Scholar]
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