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Title

Simulation Study of Relative Permeability Hysteresis on Immiscible Water Alternating Gas (IWAG) Injection in Naturally Fractured Reservoirs

Year: 1390
COI: IPEC03_140
Language: EnglishView: 701
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Authors

Hadi Khosravi - Institute of Petroleum Engineering, College of Engineering, University of Tehran, Tehran, Iran School of Chemical Engineering, College of Engineering, University of Tehran,Tehran, Iran
Mohammad Reza Rasaei - Institute of Petroleum Engineering, College of Engineering, University of Tehran, Tehran, Iran School of Chemical Engineering, College of Engineering, University of Tehran,Tehran, Iran
Behzad Rostami - Institute of Petroleum Engineering, College of Engineering, University of Tehran, Tehran, Iran School of Chemical Engineering, College of Engineering, University of Tehran,Tehran, Iran

Abstract:

Relative permeability dependence on saturation path/history signal in Immiscible Water Alternating Gas (IWAG) process more than any otherfluid flow in the reservoirs because of its repetitive flow reversal. Theflow reversal processes like IWAG injection, impose hysteresis effect in performance of fluids flow. Some authors pointed out that simulation ofIWAG injection needs applying three-phase rather than two-phase hysteresis models because they consider both non-wetting phase trapping and further mobility reduction in subsequent cycles, while the two- phase models ignore the later that. Most of the related previous works involve single porosity models and less study conducted in fractured reservoirs. In this paper detail analysis of relative permeability hysteresis models of IWAG injection is performed in a fractured model. We find that there is striking disparity in simulation results depending on sort of fracture modeling (dual permeability or dual porosity) and also whether a hysteretic or a non-hysteretic model is employed.

Keywords:

Immiscible Water Alternating Gas Injection (IWAG) , Relative permeability Hysteresis , dual porosity , dual permeability , flow reversal

Paper COI Code

This Paper COI Code is IPEC03_140. Also You can use the following address to link to this article. This link is permanent and is used as an article registration confirmation in the Civilica reference:

https://civilica.com/doc/260115/

How to Cite to This Paper:

If you want to refer to this Paper in your research work, you can simply use the following phrase in the resources section:
Khosravi, Hadi and Rasaei, Mohammad Reza and Rostami, Behzad,1390,Simulation Study of Relative Permeability Hysteresis on Immiscible Water Alternating Gas (IWAG) Injection in Naturally Fractured Reservoirs,3rd Iranian Petroleum Engineering Congress,Tehran,https://civilica.com/doc/260115

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  • Element D.J., Jayasekera A.J., Masters J.H.K., Sargent N.C., 2003. Assess ...
  • Heeremans J.C., Esmaiel T.E.H., 2006, Feasibility Study of WAG Injection ...
  • Land C.S., 1968, Calculation of imbibition relative permeability for two ...
  • Larsen J.A., Skauge A., 1998, Methodology for numerical simulation with ...
  • Berea. Paper SPE/DOE20 183 presented at the SPE/DOE. ...
  • Spiteri E.J., Juanes R., 2006, Impact of relative permeability hysteresis ...
  • T.D., 1985. Fu ndamenta _ of Fractured Reservoir ...
  • Figure-1) Relative permeability of synthetic model: a-d) for matrix network ...
  • Figure-2) gas relative permeability in IWAG injection: a) calculated from ...
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