Petrophysics for Non-Petrophysicists Virtual Training

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Monday October 03, 2022 | Ahmed Taha Amin | VIRTUAL TRAINING

Upcoming Course

Code Start Date End Date Location Cost Instructor Register
PST0237-202201  03 Oct 2022  06 Oct 2022  VIRTUAL TRAINING  USD 2795  Ahmed Taha Amin   Register

Past Course

Code Start Date End Date Location Cost Instructor Register
PST0237  27 Oct 2014  31 Oct 2014  Kuala Lumpur, Malaysia  USD 4795  Ahmed Taha Amin 
Monday October 03, 2022 | Ahmed Taha Amin | VIRTUAL TRAINING

Petrophysics is the study of physical and chemical rock properties and their interactions with fluids. A key aspect of Petrophysics is measuring and evaluating rock properties by acquiring well log measurements. These petrophysical measurements help petrophysicist, reservoir engineers and other relevant professionals in reservoir characterization to identify productivity.

During this course, the basic concepts of petrophysical rock properties such as porosity and permeability and mineralogy will be covered. The relationships between these parameters and in situ fluid saturation will be discussed. Calibrate porosity andpermeability values from core and log sources for improved saturation calculation.

Understand and apply at a basic level the theory and operation of major well logging tools to methods for interpretation of these parameters will be applied. Apply basic cased-hole logging, borehole image, and LWD/MWD. Select petrophysical tool combinations for specific applications. The understanding of acceptable well log data will be addressed.

This course is prepared to provide the basic interpretation, concepts and fundamentals on which to develop the petrophysical knowledge and capabilities necessary for geologists, geophysicist, engineers and beginner petrophysicist. Assess the impact of petrophysical analyses on technical uncertainty estimates of reservoir. Analyze and integrate log, core, geoscience and engineering well data for well and field development projects.

Monday October 03, 2022 | Ahmed Taha Amin | VIRTUAL TRAINING


  • Introduction to the Course:
    • Fundamental Concepts of Petrophysics
    • Reservoir Rock Properties
  • Reservoir Rock Properties:
    • Porosity
    • Permeability
    • Permeability and Porosity Relationships
  • Basic Open Hole Logging:
    • Introductions (What is logging?)
    • Planning, Operations, Logging Environment, Tool
    • Calibration
  • Open-Hole Logging Tools & Measurements Lithology Tools:
    • Mud Logs
    • Gamma Ray & Spectral Gamma Ray & Practical Session
    • Spontaneous Potential & Practical Session (SP)
    • Caliper Logs
  • Porosity Tools:
    • Sonic Logs & Practical Session (Sonic)
    • Density Logs & Practical Session (Density)
    • Neutron Logs & Practical Session (Neutron)
  • Case study: The effect of shale volume on porosity
  • Exercise: Determination of petrophysical parameters



  • ?Resistivity Tools:
    • Laterolog & Practical Session
    • Induction Logs & Practical Session
    • Micro-Spherical Logs (MSFL) & Practical Session
    • Invasion Profile & Movable Hydrocarbon
  • Dipmeter Tools:
    • Dipmeter tool
    • Image tools
    • Dipmeter interpretation for:
      • Depositional system
      • Structural, sedimentary and facies content
  • Recent and Advanced Tools:
    • Geological Tools: FMS, FMI
    • Magnetic Resonance Tools: NMR, CMR
  • Other Open-Hole Logging Tools
  • Definition, measurements, application:
    • Electromagnetic Propagation Time Tool
  • Case study:
    • Example of FMI, CMR and using the FMI log
    • The CMR log example
    • The EPT log example
  • Exercise:
    • Calculate the fluid saturation
    • FMI log example to differentiate structural elements.
    • CMR log example to define perforate against the free hydrocarbon
    • EPT log to Calculate Variable ‘m’ from EPT equation.



  • Open and Cased-Hole Logging Tools: Pressure Tools (RFT/MDT)
  • Principles and interpretation of the other open hole logging tools which can be run in cased holes:
    • Laterolog & Practical Session
    • Induction Logs & Practical Session
    • Micro-Spherical Logs (MSFL) & Practical Session
  • For:
    • Determine static reservoir pressure
    • Pressure Gradient for fluid type
    • Locate formation fluid contacts
    • Verify reservoir isolation.
    • Indicate reservoir depletion.
    • Calculate reservoir permeability.
  • Application of Well Logs:
    • Well Log Correlation & Practical Training
    • Petrophysical Parameters from Cores and Logs
  • Coring: Conventional and Sidewall Cores
    • Core Analysis: Routine & Special Core Analysis (SCAL)
    • Parameters: ‘a’, ‘m’ and ‘n’ Determination & Practical
    • Training for (a,m,n)
    • Determination of ‘Rw’ & Practical training for (Rw)
    • Most problematic parameters (m & Rw)
  • Log Quality Control (LQC):
    • Repeatability
    • Statistical Variation
    • Tool Measurements
  • Quick Look Interpretation:
    • Quick Look Methods
    • Lithology determination from logs
    • Quick Look Interpretation for Porosity
    • ‘Rw’ , ‘m’ & Vsh Determination Methods
    • ‘Rw’, ‘m’ & ‘n’ from Pickett’s Plot
    • Lithology, porosity & Vshale from cross-plots
    • Basic Relations
    • Water Saturation from equations and cross-plots
    • Determination of Hydrocarbon Type
    • Permeability Determination from cross-plots method
  • Application of Well Log Interpretation:
    • Quality check for well log interpretation results
    • Selection of Perforated intervals
  • Case study:
    • The RFT / MDT log example to determine reservoir pressure, and etc
    • Different examples for bad and good log quality of raw data.
    • SCAL data for determining the petrophysical parameters;
    • Quick look methods for determining ‘m’, ‘Rw’, ‘Vsh’, Sw and Permeability.
  • Exercise:
    • The RFT/MDT log example to differentiate between types of fluids
    • Practical Training Examples Application for Quick Look Interpretation for determining the volume of shale and the petrophysical parameters a, m, n, Rw
    • Practical Training Examples Application for Quick Look Interpretation for determining Permeability and Water Saturations



  • Cased and Open Hole Logging Tools
  • Principles and interpretation of cased hole logging tools which can be run in open holes:
    • Thermal Decay Time tool (TDT)
    • Reservoir Saturation tool (RST)
    • Invasion Profile & Movable Hydrocarbon
  • For:
    • Monitoring Fluid Contacts
    • Reservoir monitoring
  • Cased-Hole Logging Tools Definitions, Measurements, Applications, Equations
    • CBL/VDL for cement quality
    • PLT for production tools
  • Cement Bond (CBL) & Variable Density (VDL) log
    • Principles and interpretation of Cement Bond (CBL) & Variable Density (VDL) tool for zone-to-zone isolation and reservoir monitoring.
    • Applications to field development
  • Cement Bond (CBL) & Variable Density (VDL) log details:
    • Principle of Operation
    • Basic Sonic Theory
    • Cement Bond Log (CBL)
    • Variable Density Log (VDL)
    • Quantitative Interpretation of CBL and Qualitative
    • Interpretation of VDL using: CBL – VDL Log Example.
  • For:
    • Evaluate zone-to-zone isolation:
    • Cement coverage of casing for corrosion protection, mechanical strength
    • Identify cement top
    • Evaluate cement repair jobs
    • The Rig Cementing and Remedial cementing works using CBL /VDL results related to Petrophysics and Reservoir Monitoring.
    • Well completion related to perforation intervals according CBL / VDL results.
  • Production logging (PLT) log:
    • Principles and interpretation of production logging tools (PLT):
    • Applications to field development
  • Production logging (PLT) log include
    • Fullbore – Spinner, or continuous, or packer
    • Flowmeters.
    • Gradiomanometer.
    • Manometer.
    • Thermometer
  • For:
    • Evaluation of completion efficiency.
    • Detailed information on which perforation are plugged and which are producing or accepting.
    • Monitoring of reservoir production.
    • Evaluation of reservoir production or injection efficiency.
    • Essential guidance for Remedial and Workover, jobs
  • Case study:
    • The TDT / RST log example to determine the formation water saturation in cased-hole.
    • The CBL / VDL log example to evaluate zone-to-zone isolation, determine cement bonds, identify cement top and evaluate the quality of cement.
    • Using the PLT log example to evaluate the perforation
  • Exercise:
    • TDT log Example to calculate the formation water saturation (Sw) from TDT log example
    • CBL/VDL log example to determine the good and poor cement bonds.
    • PLT log example to determine perforation are plugged and which are producing or accepting and the percentage of production or injection for each perforation.
Monday October 03, 2022 | Ahmed Taha Amin | VIRTUAL TRAINING
  • Understand fundamental concepts of petrophysics and reservoir rock properties.
  • Calibrate porosity and permeability values from core and log sources for improved saturation calculations
  • Discussion on tools will include advantage, disadvantage, physics of each tool was built and calibration
  • Determine and understand basics of open-hole logging measurements
  • Learn and practice basic interpretation concepts
  • Understand dipmeter tools and interpretation of depositional systems, structural, sedimentary, facies content
  • Learn lithology interpretation from mud log and log data
  • Knowledge Cased hole logs and LWD/MWD versus open hole logging
  • Understand saturation, Archie’s equation
  • Learn quick look interpretation using basic methods and cross-plots
Monday October 03, 2022 | Ahmed Taha Amin | VIRTUAL TRAINING
  • Geoscientists; Geologists and Geophysicist.
  • Petroleum, Drilling, Production and Reservoir Engineers,
  • Field Operations and supervisors,
  • Other technical professionals who need fundamental background in the petrophysics discipline
Monday October 03, 2022 | Ahmed Taha Amin | VIRTUAL TRAINING

Prof. Dr. Ahmed Taha Amin

President, Godomex


Prof. Dr. Ahmed Taha Amin is an expert in formation evaluation, core analysis and reservoir modeling. He has broad experience working with assets and providing properties for reservoir characterisation and strong experience with carbonate petrophysics over 15-years experience.

He has extensive experience over 45 years in industry, principally in log analysis and Formation Evaluation in various technical and managerial positions for Gupco (Cairo, Egypt), Adco and Adnoc (Abu Dhabi, UAE), QGPC (Doha, Qatar), Apache (Cairo, Egypt), RPS Energy (in UK) and CEPSA in Egypt. 

He is an instructor for Basic, Intermediate, Advanced Petrophysics, Core-Log Integration, Image Interpretation, IP software Application and LQC for Data Management training courses. He was supervised the Petrophysical studies and Wire-Line operations for Apache Egypt operated by: APACHE, QARUN and KHALDA Companies for 10 years. He did Petrophysical Evaluation projects in a few countries such as Algeria, Egypt, Yemen, Kuwait, Madrid, South Africa and East Asia.