Description

• 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
• Use of core analysis data in log interpretation
• Application of interpretation methods in several examples and exercises

Designed for you, if you are...

• An engineer in the exploration and/or 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 be given in real time through live webinars (instructor-led training); some exercises will be executed during the sessions, others will be done as homework.
• The daily sessions will be highly interactive and participative. This involves regular discussions of applications as well as hands-on exercises that will be solved manually and/or using Microsoft Excel.

The benefits from attending

• Physical principles of main open hole logging tools
• Applying basic quality control techniques to validate logging data
• Main applications and limitations of the different tool readings
• Performing a quick qualitative interpretation to determine possible interest zones
• Performing a complete formation evaluation on a shaly sand environment

Topics

• 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
• Core analysis: RCAL and SCAL
• Log correlations with cores

• 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
• Advanced induction logging tools, 3D induction
• RT and invasion profile determination

• 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 correlation with core analysis data
• LWD nuclear logging tools
• Lithology determination, calibrations and log quality control parameters

• Acoustic waves propagation in the borehole
• Basic sonic tools, borehole compensation
• 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

• Saturation determination: Archie equation
• Complete formation evaluation for clean lithology using Archie
• Other saturation determination equations
• Maximising core analysis data usage on interpretation
• Hydrocarbon effects on log readings
• Complete formation evaluation for shaly sand lithology using Simandoux
• Group discussion on interpretation results

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