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Fundamentals of Reservoir Development Geology (GEO46)

    Description

    Modern reservoir modelling adopts 3D computer techniques often used to construct large and complex models. This modular workshop, set at basic or cross-over level, focuses on principles which the geologist should not lose sight of, regardless of computing power available.
    It demonstrates the principles of effective field evaluation for development studies, ranging from appraisal to engineered recovery operations. It focuses on the controls that geological heterogeneities exert on subsurface fluid flow, and shows how an understanding of reservoir characteristics will improve the reliability of geological and reservoir engineering models.

    Course Level: Foundation
    Instructor: John H. Martin

    Designed for you, if you are...

    • A reservoir or petroleum engineer, who wishes to learn how geological insight can improve understanding of the reservoir
    • A geologist or geophysicist new to production geoscience work, who wants a greater insight into the work of the reservoir engineer and how to tailor the results of geological studies into a format most useful to the requirements of field development planning

    How we build your confidence

    The specific workshop modules and sections included will be varied to suit your needs, your background and the reservoir types you are most commonly working with.
    • Exercises and demonstrations form important parts of the workshop modules; including:
      - Scales of investigation of logs, cores and well tests in relation to reservoir heterogeneities
      - Well correlation and mapping techniques
      - Plotting and averaging methods for permeability data, prediction of permeability
      - Use of pressure data in determining fluid contacts and reservoir compartmentation
      - Capillary pressures and the concept of Free Water Level
      - Design of simulation model input from geological data
    • If there is access to client’s own core material for part of the workshop, relevant practical sessions can be run ‘hands-on’.

    The workshop is accompanied by a manual in ‘book’ form, with extensive references for further reading.

    The benefits from attending

    By the end of the workshop you will feel confident in your understanding of:

    • The principles of effective field evaluation for development studies, ranging from appraisal to engineered recovery operations
    • The controls that geological heterogeneities exert on subsurface fluid flow and how an understanding of reservoir characteristics will improve the reliability of geological and reservoir engineering studies
    • The importance of effective data gathering
    • The requirements for all static and dynamic reservoir data to be integrated into a model

    Topics

    • Field development
      - Introduction; duties
      - Field case studies
    • Rock and fluid properties
      - Basic rock properties and special core analysis
      - Fluid properties
      - Pressure and pressure analysis
    • Development geological techniques
      - Coring and core description
      - Conventional subsurface structure and reservoir mapping
      - Well correlation
      - Basic volumetrics
      - Basic reserves evaluation
      - Horizontal wells
    • Sandstone reservoirs I
      - Clastic reservoir modelling
      - Aeolian, fluvial and deltaic reservoirs
    • Sandstone reservoirs II
      - Coastal, shallow marine and fan
      - Clastic diagenesis
    • Carbonate and fractured reservoirs
      - Carbonate reservoirs (focus to be determined based on client interests)
      - Fractured reservoirs
    • Engineering techniques: an introduction for the geologist
      - Basic well testing
      - Basic production logging
      - Basic material balance and production mechanisms
      - Basic reservoir simulation
    • Integrated reservoir modelling
      - Introduction to reservoir geomodelling - best practices and approaches
      - Subsurface uncertainty evaluation


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