Wireline & Formation Evaluation

Objectives:

The course is designed for engineers who are involved in the formation evaluation process, in which coring, mud logging productivity testing and wire line logging are the main components - well logs provide a comprehensive snapshoot of all the formation penetrated by a borehole. The course stresses the theory, measurements, applications and limitation of the available logging tools. Interpretation methods for rock type, litho logy, porosity and hydrocarbon saturation are reviewed.

    Outlines:

    • Introduction
    • Definition of formation evaluation
    • Scope & objective of integrated formation evaluation,
    • using cores mud logs, wire line logs and productivity tests
    • Basic reservoir petrophysics
    • Wireline log data
    • Tools and techniques needed to manage the formation evaluation process
    • Open-hole log analysis
    • Cased-hole analysis
    • Well testing concepts
    • Basic reservoir models
    • Dimensionless variables
    • The skin effect
    • Well storage
    • Infinite acting radial flow semi log analysis
    • Semi Log- log type curves
    • Reservoir boundary response
    • Dual porosity wells
    • Fractured wells
    • Multirate test buildup
    • Computer- aided analysis
    • Graphical presentations
    • Derivative plot
    • Diagnostic plot evaluation
    • Gas well tests:
    • Real gas pseudo pressure & pseudo time
    • Calculating pseudo pressures
    • Rate dependent skin effect
    • Multiphase well tests
    • Perrine's approach
    • Pressure squared approach
    • Designing well tests:
    • Variable dependency
    • Test duration
    • Flow rate considerations
    • Advanced topics
    • Horizontal wells
    • Multilayered well analysis
    • Calculating properties
    • Oil properties
    • Gas properties
    • Water properties
    • Rock properties
    • Total properties
    • worked & field examples

    Who Can Benefit?

    Drilling engineers, drilling supervisors, senior engineers and team leaders in drilling engineering/ operations