Discipline Drilling Engineering ,
Petrophysics
LevelFoundation
Duration5 Days
Delivery Mechanism Classroom
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Petrophysics for Drilling Engineers

This is a 5 day course that covers wireline logging, MWD-LWD and their specific applications for wellbore stability and includes 1-2 hours daily of workshop examples. This course will be suitable for all drilling engineers, directional drillers and other geoscientists associated with drilling.

  • Agenda
  • Topics
  • Audience
  • Agenda

    Day 1

    • Reservoir Rock and Life of a well
    • Tool Conveyance, Depth Control
    • Well bore stability and filtrate diameter of invasion
    • The mud log and its applications
    • Basics of Logging
    • Log Quality Control

    Day 2

    • GR Spectroscopy and its application to determine clay type
    • The Spontaneous Potential and its applications to estimate water salinity and volume of shale
    • Acoustic Log: secondary porosity, rock mechanical properties  and wellbore stability
    • The density and photoelectric cross section
    • The Neutron Log, neutron spectroscopy and sigma neutron capture cross-section
    • Density-Neutron applications for lithology, shale volume and effective and total porosities

    Day 3

    • Density-Neutron applications for lithology, shale volume and effective and total porosities
    • Basics of Resistivity and the Archie Equation
    • The concept and applications of the Formation Factor (FF) as a variable –m emulator
    • Resistivity measurements in the invaded zone (Rxo)
    • Resistivity measurements in the uninvaded zone using Induction and Laterolog
    • The concept and applications of array resistivity measurements
    • Wireline Formation Testing

    Day 4

    • Measurement While Drilling (MWD) and Logging While Drilling (LWD)
    • Data acquisition of porosity, lithology, Pulsed Neutron Sigma and resistivities
    • Formation Pressure
    • Geosteering basics
    • Seismic
    • Acoustic

    Day 5

    • Shale Volume (Vsh, Vcl) evaluation and clay type- Dispersed or laminated shales
    • Estimating the parameters of "m" and "n" in the Archie Equation,
    • Quick look techniques to estimate the oil / water, gas/water and oil/gas contacts,
    • Salinity estimations of formation water and filtrate water,
    • Estimation of porosity, lithology and water saturations in clean and in shaly-sands
  • Topics

    • Basics of logging covering the following domains:
      • Reservoir Rock
      • Basics of Logging
      • Life of a well
      • Tool Conveyance
      • The mud log
      • Well bore stability and filtrate diameter of invasion
      • Depth Control
      • Log Quality Control
    • Gamma Ray (GR) and Spontaneous Potential: Tool physics and applications to estimate clay volume, clay type and formation water salinities.
    • Porosity and Lithology: Density and Neutron tool physics and applications
    • Acoustics: Tool physics and applications for rock mechanics; well bore stability, and secondary porosity. The applications of acoustic to predict High Pressure zones.  
    • Resistivity Measurements: Tool physics of Shallow Rxo, Laterolog and Induction and High Technology resistivity tools.
    • Wireline formation Testing (WFT): Tool Physics and the theory and applications of WFT to determine mobilities, reservoir pressure and fluid contacts in the reservoir.
    • MWD and LWD data acquisition covering the following domains:
      • Data acquisition of porosity, lithology, Pulsed Neutron Sigma and resistivities
      • Formation Pressure
      • Geosteering basics
      • Seismic
      • Acoustic
    • Interpretations covering the evaluation of:
      • Clay Volume (Vsh, Vcl) evaluation
      • Estimating the parameters of "m" and "n" in the Archie Equation,
      • Quick look techniques to estimate the oil/water, gas/water and oil/gas contacts, salinity estimations of formation water and filtrate water, and unmoved hydrocarbon zones
      • Estimation of porosity, lithology and water saturations in clean and in shaly-sands.
  • Audience

    This course will be suitable for all drilling engineers, directional drillers and other geoscientists associated with drilling.

  • Prerequisites

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