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Numerical simulation of dynamic spontaneous imbibition with variable inlet saturation and interfacial coupling effects using Bentsen’s transport equation

  • Author / Creator
    Yazzan Kountar, Saddam
  • In oil recovery from fractured reservoirs, Dynamic Spontaneous Imbibition (DSI) plays an important role. Conventional equations used to characterize DSI neglect interfacial coupling effects (ICE). Moreover, no numerical model has considered a variable inlet saturation (S*) for DSI. An iteration scheme has been developed to solve Bentsen’s Transport Equation using a Lagrangian Formulation for which initial and boundary conditions have been derived to take into account a variable S* and ICE. A sensitivity analysis has been conducted to study the effect of the fluid and rock properties on DSI. The results reveal that including a variable S* has insignificant impact; however, neglecting ICE results in an overestimation of the imbibition flow rate. It is important to mention that, based on the results of this study, the capillary and relative permeability curves determine the type of frontal advance, and that the imbibition recovery is proportional to the square root of time.

  • Subjects / Keywords
  • Graduation date
    2010-06
  • Type of Item
    Thesis
  • Degree
    Master of Science
  • DOI
    https://doi.org/10.7939/R3402V
  • License
    This thesis is made available by the University of Alberta Libraries with permission of the copyright owner solely for non-commercial purposes. This thesis, or any portion thereof, may not otherwise be copied or reproduced without the written consent of the copyright owner, except to the extent permitted by Canadian copyright law.
  • Language
    English
  • Institution
    University of Alberta
  • Degree level
    Master's
  • Department
    • Department of Civil and Environmental Engineering
  • Supervisor / co-supervisor and their department(s)
    • Dr. Bentsen, Ramon G. (Civil and Environmental Engineering)
    • Dr. Trivedi, Japan (Civil and Environmental Engineering)
  • Examining committee members and their departments
    • Dr. Bentsen, Ramon G. (Civil and Environmental Engineering)
    • Dr. Mitra, Sushanta (Mechanical Engineering)
    • Dr. Trivedi, Japan (Civil and Environmental Engineering)