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    Oil and Gas Training Courses SLB NEXT

    Petrophysics for Drilling Engineers

    This is a 5 day course that cab be delivered remotely using the the NExT (Remote Instructor Lead Series Method) or delivered in a traditional teaching environment.  The course covers an overview of geology, fundamentals of coring, core analysis and open hole well logging.  Well site quicklook log analysis is included so that participants can identify basic lithology, porosity, fluid type and fluid saturations.  Optional topics include reservoir properties that control fluid saturation, perforation methods, cement evaluation, an overview of petroleum fluid systems and/or wellbore stability.  Each day includes 1-2 hours of practical workshop examples. This course is suitable for all drilling engineers, directional drillers and other geoscientists associated with drilling that need a basic understanding petrophysics.  This course can be customized for private deliveries to focus on specific reservoir types.  

    Day 1
    • This is an example course agenda and it can change due to customization
    • Course Introduction and Pre-Course Technical Assessment
    • 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 Coring
    • Overview of Conventional Core Analysis
    Day 2
    • Review Key Topics from Day 1
    • Basics of Logging
    • Overview of Log Quality Control
    • 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
    • Review Key Concepts from Day 2
    • 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
    Day 4
    • Review Key Concepts from Day 3
    • Measurement While Drilling (MWD) and Logging While Drilling (LWD)
    • Data acquisition of porosity, lithology, Pulsed Neutron Sigma and resistivities
    • Wireline Formation Testing
    • Formation Pressure
    • Geosteering basics
    • Acoustic
    • Seismic (optional topic)
    • Cement evaluation (optional topic)
    • Perforations (optional topic)
    Day 5
    • Review Key Concepts from Day 4
    • Well Site - Quick Look Log Evaluation for Lithology, Porosity and Fluid Type
    • 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 identify fluid type and hydrocarbons
    • Salinity estimations of formation water and filtrate water,
    • Estimation of porosity, lithology and water saturations in clean and in shaly-sands
    • Capillary Pressure Analysis and Pore Geometry (optional topic)
    • Post Class Technical Assessment
    • Class Wrap-Up and Summary

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

    • 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.

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