Modeling Wettability Alteration using Chemical EOR Processes in Naturally Fractured Reservoirs

Delshad, Mojdeh; Pope, Gary A; Sepehrnoori, Kamy

doi:10.2172/927590

Title: Modeling Wettability Alteration using Chemical EOR Processes in Naturally Fractured Reservoirs

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Abstract

The objective of our search is to develop a mechanistic simulation tool by adapting UTCHEM to model the wettability alteration in both conventional and naturally fractured reservoirs. This will be a unique simulator that can model surfactant floods in naturally fractured reservoir with coupling of wettability effects on relative permeabilities, capillary pressure, and capillary desaturation curves. The capability of wettability alteration will help us and others to better understand and predict the oil recovery mechanisms as a function of wettability in naturally fractured reservoirs. The lack of a reliable simulator for wettability alteration means that either the concept that has already been proven to be effective in the laboratory scale may never be applied commercially to increase oil production or the process must be tested in the field by trial and error and at large expense in time and money. The objective of Task 1 is to perform a literature survey to compile published data on relative permeability, capillary pressure, dispersion, interfacial tension, and capillary desaturation curve as a function of wettability to aid in the development of petrophysical property models as a function of wettability. The new models and correlations will be tested against published data. The models willmore »« less

Authors:: Delshad, Mojdeh; Pope, Gary A; Sepehrnoori, Kamy

Publication Date:: Sun Sep 30 00:00:00 EDT 2007

Research Org.:: Univ. of Texas, Austin, TX (United States)

Sponsoring Org.:: USDOE

OSTI Identifier:: 927590

DOE Contract Number:: FC26-04NT15529

Resource Type:: Technical Report

Country of Publication:: United States

Language:: English

Subject:: 02 PETROLEUM; FRACTURED RESERVOIRS; PERMEABILITY; SIMULATORS; SURFACTANTS; WETTABILITY; ENHANCED RECOVERY; PETROLEUM; WATERFLOODING

Citation Formats


                    Delshad, Mojdeh, Pope, Gary A, and Sepehrnoori, Kamy. Modeling Wettability Alteration using Chemical EOR Processes in Naturally Fractured Reservoirs.  United States: N. p., 2007. 
        Web.  doi:10.2172/927590.

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                    Delshad, Mojdeh, Pope, Gary A, & Sepehrnoori, Kamy. Modeling Wettability Alteration using Chemical EOR Processes in Naturally Fractured Reservoirs.  United States.  https://doi.org/10.2172/927590

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                    Delshad, Mojdeh, Pope, Gary A, and Sepehrnoori, Kamy. 2007.  
        "Modeling Wettability Alteration using Chemical EOR Processes in Naturally Fractured Reservoirs".  United States.  https://doi.org/10.2172/927590.  https://www.osti.gov/servlets/purl/927590.

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@article{osti_927590,

  title        = {Modeling Wettability Alteration using Chemical EOR Processes in Naturally Fractured Reservoirs},

  author       = {Delshad, Mojdeh and Pope, Gary A and Sepehrnoori, Kamy},

  abstractNote = {The objective of our search is to develop a mechanistic simulation tool by adapting UTCHEM to model the wettability alteration in both conventional and naturally fractured reservoirs. This will be a unique simulator that can model surfactant floods in naturally fractured reservoir with coupling of wettability effects on relative permeabilities, capillary pressure, and capillary desaturation curves. The capability of wettability alteration will help us and others to better understand and predict the oil recovery mechanisms as a function of wettability in naturally fractured reservoirs. The lack of a reliable simulator for wettability alteration means that either the concept that has already been proven to be effective in the laboratory scale may never be applied commercially to increase oil production or the process must be tested in the field by trial and error and at large expense in time and money. The objective of Task 1 is to perform a literature survey to compile published data on relative permeability, capillary pressure, dispersion, interfacial tension, and capillary desaturation curve as a function of wettability to aid in the development of petrophysical property models as a function of wettability. The new models and correlations will be tested against published data. The models will then be implemented in the compositional chemical flooding reservoir simulator, UTCHEM. The objective of Task 2 is to understand the mechanisms and develop a correlation for the degree of wettability alteration based on published data. The objective of Task 3 is to validate the models and implementation against published data and to perform 3-D field-scale simulations to evaluate the impact of uncertainties in the fracture and matrix properties on surfactant alkaline and hot water floods.},

  doi          = {10.2172/927590},

  url          = {https://www.osti.gov/biblio/927590},
  journal      = {},
number       = ,

  volume       = ,

  place        = {United States},

  year         = {Sun Sep 30 00:00:00 EDT 2007},

  month        = {Sun Sep 30 00:00:00 EDT 2007}

}

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