1887

Abstract

Summary

Gas injection into the oil reservoirs is one of the effective methods of increasing oil recovery. The gas injection into the reservoirs when it is fully or partially miscible with oil is a difficult physical process from the point of view of mathematical modelling. The simulation of miscible gas injection process by the simulator could give a recommendation about the amount of required gas, injection pressure and other technological parameters. In this work, an industrial software was used to simulate the miscible gas injection process for an Iranian oil reservoir. We determined the amount of gas injection, total oil and gas production and oil recovery factor in the various scenarios of gas recycling. The simulation results showed that the amount production gas was less than the injection gas. In addition, the total oil production and recovery factor was a function of the amount of miscible gas injection.

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/content/papers/10.3997/2214-4609.202053143
2020-11-16
2024-03-29
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References

  1. Ahmadi, M.A., Zahedzadeh, M., Shadizadeh, S.R. and Abbassi, R.
    [2015] Connectionist model for predicting minimum gas miscibility pressure: Application to gas injection process. Fuel, 148, 202–211. doi: 10.1016/j.fuel.2015.01.044.
    https://doi.org/10.1016/j.fuel.2015.01.044 [Google Scholar]
  2. Ding, M., Yuan, F., Wang, Y., Xia, X., Chen, W. and Liu, D.
    [2017] Oil recovery from a CO2 injection in heterogeneous reservoirs: The influence of permeability heterogeneity, CO2-oil miscibility and injection pattern. Journal of Natural Gas Science and Engineering, 44, 140–149. doi: 10.1016/j.jngse.2017.04.015.
    https://doi.org/10.1016/j.jngse.2017.04.015 [Google Scholar]
  3. Hashemi Fath, A. and Pouranfard, A.-R.
    [2014] Evaluation of miscible and immiscible CO2 injection in one of the Iranian oil fields. Egyptian Journal of Petroleum, 23(3),255–270. doi: 10.1016/j.ejpe.2014.08.002.
    https://doi.org/10.1016/j.ejpe.2014.08.002 [Google Scholar]
  4. Lashgari, H.R., Sun, A., Zhang, T., Pope, G.A. and Lake, L.W.
    [2019] Evaluation of carbon dioxide storage and miscible gas EOR in shale oil reservoirs. Fuel, 241, 1223–1235. doi: 10.1016/i.fuel.2018.11.076.
    https://doi.org/10.1016/i.fuel.2018.11.076 [Google Scholar]
  5. Li, Q., Xing, H., Liu, J. and Liu, X.
    [2019] A generalized scaling equation to predict asphaltene precipitation during precipitant dilution, natural depletion, water injection and gas injection. Journal of Petroleum Science and Engineering, 182, Article 106320. doi: 10.1016/j.petrol.2019.106320.
    https://doi.org/10.1016/j.petrol.2019.106320 [Google Scholar]
  6. Mohammadi, S., Kharrat, R., Khalili, M. and MehranfarM.
    [2011] Optimal conditions for immiscible recycle gas injection process: A simulation study for one of the Iranian oil reservoirs. Scientia Iranica, 18(6), 1407–1414. doi: 10.1016/j.scient.2011.10.003.
    https://doi.org/10.1016/j.scient.2011.10.003 [Google Scholar]
  7. Rios, V.S., Santos, L.O.S., Quadros, F.B. and Schiozer, D.J.
    [2019] New upscaling technique for compositional reservoir simulations of miscible gas injection. Journal of Petroleum Science and Engineering, 175, 389–406. doi: 10.1016/j.petrol.2018.12.061.
    https://doi.org/10.1016/j.petrol.2018.12.061 [Google Scholar]
  8. Shadizadeh, S.R., Rashtchian, D. and Moradi, S.
    [2006] Simulation of experimental gas-recycling experiments in fractured gas/condensate reservoirs. SPE Gas Technology Symposium, Calgary, Canada. doi: 10.2118/99647‑MS.
    https://doi.org/10.2118/99647-MS [Google Scholar]
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