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Basic Formation Evaluation (PPH28)


    This interactive course will introduce you to the fascinating world of petrophysics, the relationship between the rock, the fluid it contains and its interactions, from the downhole response to the actual formation evaluation techniques and procedures.

    The course will explore the tools response to different lithologies and will help you understand log readings, applications and limitations. It will instruct you with the basic Petrophysical concepts as well as the log interpretation techniques and procedures for the correct evaluation of well logs on clean and shaly sand formations.
    This training course will feature:
    • Discussions on tools physical principles and applications
    • Tool limitations on different borehole environments
    • Tips and examples to identify and understand common logging issues
    • Explanation of petrophysical concepts and techniques for formation evaluation
    • Application of interpretation methods in several examples and exercises

    Course Level: Foundation
    Duration: 5 days
    Instructor: Angel Meso

    Designed for you, if you are...

    • An engineer in the exploration and production department
    • A geologist, geophysicist or petrophysicist
    • A petroleum, reservoir or drilling engineer
    • In general, any oil & gas industry professional involved in logging data interpretation and validation

    How we build your confidence

    This training course will utilise a variety of proven adult learning techniques to ensure maximum understanding, comprehension and retention of the information presented. The sessions will include visual, auditory and kinesthetic elements to cover the three different learning modalities. The daily sessions will be highly interactive and participative. This involves regular discussion of applications as well as hands-on exercises that will be solved manually and/or using Microsoft Excel.

    The benefits from attending

    By the end of the course you will be able to:

    • Understand the physical principles of main open hole logging tools
    • Apply basic quality control techniques to validate logging data
    • Know the main applications and limitations of the different readings
    • Perform a quick qualitative interpretation to determine possible interest zones
    • Perform a complete formation evaluation on a shaly sand environment


    Basic Logging and Petrophysical Concepts
    • Porosity and permeability concepts and classification
    • The reservoir: minimum conditions for productivity
    • Introduction to well logging
    • Log classification according to the measured properties
    • Auxiliary measurements, uses and common issues
    • Basic measurements: Gamma ray and spontaneous potential

    Resistivity and Conductivity Logging Tools
    • Resistivity theory
    • The borehole environment: invasion profile
    • Principles and applications of laterologs
    • Microresistivity devices, principles and applications
    • Resistivity tools limitations
    • Conductivity tools, uses and limitations
    • LWD resistivity determination tools
    • Calibrations and log quality control parameters
    • RT determination

    Nuclear Logging Tools
    • Basic principles of nuclear physics applied to borehole logging
    • Formation density tools, principles and applications
    • The photoelectric factor, a key lithology indicator
    • Hydrogen index: neutron tools principles and applications
    • Porosity determination from density and neutron logs
    • Porosity compatible scales and density-neutron crossover
    • LWD nuclear logging tools
    • Lithology determination on simple cases
    • Calibrations and log quality control parameters

    Acoustic Logging Tools and Introduction to Formation Evaluation
    • Acoustic waves propagation in the borehole
    • Basic sonic tools, borehole compensation
    • Sonic porosity compared to density-neutron
    • Dipole sonic tools, applications
    • Mechanical properties determination and uses
    • Common sonic issues in the borehole
    • LWD acoustic tools
    • Formation evaluation principles
    • Qualitative log interpretation techniques
    • Rw determination methods
    • Crossplots utilisation, Hingle and Pickett plots
    • Graphical interpretation techniques for porosity and lithology

    Complete Formation Evaluation for Simple Lithology
    • Saturation determination: Archie equation
    • Complete formation evaluation for clean lithology using Archie
    • Other saturation determination equations
    • Hydrocarbon effects on log readings
    • Complete formation evaluation for shaly sand lithology using Simandoux
    • Group discussion on interpretation results




    HOT Engineering GmbH   Tel: +43 3842 43 0 53-0   Fax +43 3842 43 0 53-1   hot@hoteng.com