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Facies Modeling and Realization Techniques Quiz
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Facies Modeling and Realization Techniques Quiz

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Questions and Answers

In the Ruby Field, which environment was the lower heterogeneous zone deposited in?

  • Shallow marine environment
  • Coarse braided fluvial system
  • Deep-water turbidite environment (correct)
  • Thick mud-rich slope sequence

    • What is the approximate depth of the Sapphire field?

  • 2000 m (correct)
  • 1500 m
  • 1000 m
  • 2500 m

    • What are the two main faults mapped within the Ruby Field?

  • Lower turbidite unit
  • Not mentioned in the text (correct)
  • Upper shoreface unit
  • Thick mud-rich slope sequence

    • Which modeling method is used for the fluvial channels in the Grid Model?

    <p>Facies Channels</p> Signup and view all the answers

    What is the use of trends in Facies Composite modeling for the Turbidite Basic Facies Composite job set up?

    <p>Modeling the turbidite objects</p> Signup and view all the answers

    What are the main reservoir zones in the Ruby Field?

    <p>Upper zone and lower zone</p> Signup and view all the answers

    What are the different oil-water contacts (OWCs) in the two reservoirs in the Ruby Field?

    <p>2010 m and 2270 m</p> Signup and view all the answers

    What is the main structure of the Sapphire field?

    <p>Simple rotated fault block</p> Signup and view all the answers

    Which method in RMS Facies Modelling involves pixel-based techniques for facies proportions?

    <p>F*: Facies proportions</p> Signup and view all the answers

    In RMS Petrophysical Modelling Techniques, which method involves realistic 3D models and facies heterogeneity?

    <p>Stochastic Methods</p> Signup and view all the answers

    Which method in RMS Facies Modelling involves interpreted facies log and discrete type?

    <p>FPF - VPC</p> Signup and view all the answers

    What is the main characteristic of Object based methods in RMS Facies Modelling?

    <p>Size and shape of objects</p> Signup and view all the answers

    Which method in RMS Facies Modelling involves seismic data and azimuth directions?

    <p>Facies: MPS</p> Signup and view all the answers

    In RMS Facies Modelling, what does F* represent?

    <p>Function reflecting variations of different variables</p> Signup and view all the answers

    Which method in RMS Facies Modelling involves the possibility to use the shape of objects created manually?

    <p>FPF - VPC</p> Signup and view all the answers

    What is the key feature of Stochastic Methods in RMS Petrophysical Modelling Techniques?

    <p>Facies Heterogeneity</p> Signup and view all the answers

    What seismic data types are used to estimate Facies Probability Functions (FPFs)?

    <p>Seismic attribute values and bias facies log</p> Signup and view all the answers

    What does the Stacking Angle (Ac) being greater than S indicate?

    <p>Prograding system</p> Signup and view all the answers

    What is the purpose of the Trend algorithm in the context of Facies Belts?

    <p>Quick check on the geometry settings</p> Signup and view all the answers

    What is the recommended variogram for interfingering to achieve a smooth effect?

    <p>General Exponential with a high exponent</p> Signup and view all the answers

    When is the Kriging option equivalent to Trend with honoring well data?

    <p>When well conditioning is toggled on</p> Signup and view all the answers

    What is the purpose of the Proportions Mode in Facies Belts?

    <p>Modeling lensoid shapes</p> Signup and view all the answers

    What is the role of Facies Belts in the context of reservoir grid modeling?

    <p>Defining the general, large-scale facies architecture</p> Signup and view all the answers

    What is the purpose of the Interfingering modelled using a Gaussian field with a specified standard deviation and range?

    <p>Creating smooth and continuous facies</p> Signup and view all the answers

    What does the Proportions Mode with Trends reproduce?

    <p>Exactly 1D trends like VPC with very low or high values</p> Signup and view all the answers

    What is the purpose of the Trends and Threshold option in Facies Belts?

    <p>Producing very basic seismic conditioning</p> Signup and view all the answers

    What is the recommended variogram for noisier boundaries in the context of interfingering?

    <p>Spherical</p> Signup and view all the answers

    What seismic data types are used to estimate Facies Probability Functions (FPFs)?

    <p>Seismic attribute values and bias facies log</p> Signup and view all the answers

    What can be controlled by seismic attributes using Facies Composite?

    <p>Volume fractions and distribution</p> Signup and view all the answers

    What does the default reference point at 0,0,0 control in the algorithm for positioning objects?

    <p>Volume fractions</p> Signup and view all the answers

    What can be specified globally or locally to introduce trends in Facies Composite?

    <p>Volume fraction settings</p> Signup and view all the answers

    What do simulation settings with varying T0 values control during the simulation?

    <p>Volume fractions</p> Signup and view all the answers

    What can be used to create complex environments through hierarchical modeling and defining erosion rules in Facies realization merging?

    <p>RMS</p> Signup and view all the answers

    What methods does RMS offer for facies modeling?

    <p>Pixel-based and object-based</p> Signup and view all the answers

    What do the pixel-based methods in facies modeling include the use of to create realistic facies architectures in 3D reservoir models?

    <p>MPS and training images</p> Signup and view all the answers

    What do object-based methods in facies modeling utilize for stochastic reservoir modeling during exploration and production stages?

    <p>3D grid layout and well data</p> Signup and view all the answers

    What do the techniques of facies modeling provide the ability to incorporate?

    <p>Multiple sources of hard data</p> Signup and view all the answers

    What do the modeling exercises demonstrate the application of facies modeling in?

    <p>Different geological environments</p> Signup and view all the answers

    What do case studies illustrate the use of to model different facies distributions and environments?

    <p>Facies belts, channels, indicators, and composite techniques</p> Signup and view all the answers

    What do the exercises and case studies provide insights into the practical application of in real-world reservoir characterization and modeling projects?

    <p>Facies modeling</p> Signup and view all the answers

    Which method in RMS Facies Modeling involves the possibility to use the shape of objects created manually?

    <p>Object-based methods</p> Signup and view all the answers

    What do objects in facies composite in RMS include, offering a variant of the axial shape for user-defined shapes?

    <p>Rectangle, axial ellipsoid, angular cone, and backbone</p> Signup and view all the answers

    What is the main characteristic of object-based methods in RMS Facies Modeling?

    <p>Modeling complex channel systems</p> Signup and view all the answers

    What do vertical proportion curves capture as input for facies indicators?

    <p>Trends such as upwards fining</p> Signup and view all the answers

    What is the purpose of facies composite in RMS?

    <p>Defining background and object facies</p> Signup and view all the answers

    What are the two main operating modes for modeling fluvial systems in RMS Facies Modeling?

    <p>Sandbody mode and multi-channel mode</p> Signup and view all the answers

    What is the role of facies indicators in RMS Facies Modeling?

    <p>Creating flexible facies patterns</p> Signup and view all the answers

    What can be controlled by seismic attributes using Facies Composite in RMS?

    <p>Trend incorporation</p> Signup and view all the answers

    What is the purpose of trends in facies indicators in RMS Facies Modeling?

    <p>Allowing for a wide variety of volume fraction trends</p> Signup and view all the answers

    What do pixel-based methods in RMS Facies Modeling allow for?

    <p>Creation of flexible facies patterns</p> Signup and view all the answers

    What is the key feature of Stochastic Methods in RMS Facies Modeling?

    <p>Realistic 3D models and facies heterogeneity</p> Signup and view all the answers

    What do examples of user-defined shapes in facies composite include?

    <p>Channel types, turbidite lobes, wide spread shale barriers, and wave reworked mouthbars</p> Signup and view all the answers

    Study Notes

    Emerson Confidential - Facies Modeling and Realization Techniques

    • Facies Composite can be used to create 1D, 2D, or 3D trends for object sizes, orientation, volume fractions, and distribution control by seismic attributes.
    • The algorithm uses a reference point to position objects, with the default reference point at 0,0,0 at the center of the object shape.
    • Volume fraction settings can be specified globally or locally to introduce trends, and geometry settings include standard deviation of object size, height, and dip.
    • Simulation settings with varying T0 values can control variability in volume fraction during the simulation.
    • Facies realization merging can be used to create complex environments through hierarchical modeling and defining erosion rules.
    • RMS offers both pixel-based and object-based methods for facies modeling, with applications in digitized polygon or point data, seismic data, and high-permeable flow regions.
    • The pixel-based methods include the use of multipoint statistics (MPS) and training images to create realistic facies architectures in 3D reservoir models.
    • Object-based methods utilize a 3D grid layout, well data, and trend lines/surfaces for stochastic reservoir modeling during exploration and production stages.
    • The techniques provide flexibility, speed, and the ability to incorporate multiple sources of hard data such as well data, seismic, and trends.
    • The modeling exercises demonstrate the application of facies modeling in different geological environments, such as fluvial and shoreface/delta settings, with varying available data and geological characteristics.
    • Case studies illustrate the use of facies belts, channels, indicators, and composite techniques to model different facies distributions and environments.
    • The exercises and case studies provide insights into the practical application of facies modeling in real-world reservoir characterization and modeling projects.

    RMS Facies Modeling Techniques

    • RMS offers pixel-based methods for facies modeling, allowing for the creation of flexible facies patterns and trends.
    • The performance of facies indicators is independent of the number of wells and the use of seismic data, making it suitable for mature fields.
    • Flexible trend incorporation in facies indicators allows for a wide variety of 1D, 2D, and 3D volume fraction trends as input.
    • Vertical proportion curves are utilized as input for facies indicators, capturing trends such as upwards fining and the presence of coal at the top.
    • Seismic constraints in facies indicators can be incorporated through cosimulation and using seismic as a trend, such as Vshale map from seismic attributes.
    • RMS also provides object-based methods for facies modeling, particularly for modeling complex channel systems in fluvial, tidal, and crevasse settings.
    • The two main operating modes for modeling fluvial systems are "Sandbody" mode and "Multi-channel" mode, each with specific user input requirements.
    • Common mistakes in modeling channels include algorithms not suited for internal channel bodies and the use of object modeling algorithms to avoid bias at wells.
    • Facies composite in RMS allows for the definition of background and object facies, with advanced object-based multi-well conditioning and powerful trend control.
    • Objects in facies composite include rectangle, axial ellipsoid, angular cone, and backbone, each offering a variant of the axial shape for user-defined shapes.
    • Examples of user-defined shapes in facies composite include channel types, turbidite lobes, wide spread shale barriers, and wave reworked mouthbars, each with specific detailed shape settings.
    • The typical detailed shape settings for user-defined shapes in facies composite include parameters such as center-line amplitude, width relative amplitude, and relative wavelength, offering flexibility and realism in conditioning widespread barriers.

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    Related Documents

    Advanced Facies Modelling Presentation.pdf

    Description

    Test your knowledge of facies modeling and realization techniques with this quiz focused on RMS and Emerson Confidential methods. Explore pixel-based and object-based methods, seismic constraints, user-defined shapes, and practical applications in reservoir characterization projects.

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