Advanced Petrophysics and Formation Evaluation: Istanbul

Learn more Date of Training
09 Apr 2018

Course overview

This course will introduce the participants to the Advanced Interpretation Methods of Petrophysics and Formation Evaluation, which is an indispensable discipline in petroleum exploration and production. In particular it will focus on the integration of Petrophysical data with conventional core data, as well as with seismic data for Reservoir Modelling and Reservoir Characterisation.

The course is designed for:

  • Exploration Geologists
  • Production Geologists
  • Well-site Geologists
  • Operations Geologists
  • Well Data Managers
  • Geophysicists
  • Petrophysicists
  • Geotechnicians
  • Others who use log data on a daily basis

Learning objectives

  • To undergo a basic review of the logging tools as well as the measurements made by the logging tools, and the transformation of the measured data into useful reservoir parameters such as Porosity, Permeability, and Water saturation for hydrocarbon reserves estimations
  • To understand the link and/or relation between Petrophysics and seismic interpretation, seismic reservoir characterisation and static reservoir modelling

Course outline

Introduction to logging methods

Empirical Methods of Formation Evaluation
Petrophysical Properties of Reservoir Rocks
Reservoir rocks and types
Porosity ranges
Capillary pressure (Pc)
Water saturation (Sw) Archie method
Water saturation (Sw) Dual-water method
Fundamentals of Formation Evaluation
The borehole and its environment
Open-hole and cased-hole logging methods
Electric and electromagnetic methods - Resistivity, Conductivity, Induction
Picket Plots
Spontaneous Potential (SP logs)
Acoustic / Sonic methods
Velocity surveys
VSP data acquisition (2D, 3D)
Nuclear methods (FDC)
Nuclear Methods (CNL)
Nuclear Magnetic Resonance (NMR) methods
Petrophysical Imaging methods
LWD and MWD techniques
Dip Meter methods
Gamma Ray (GR methods)
Coring and core investigations
Core-to-log data integration
Log analysis & Formation Evaluation
Reservoir characterisation

Statistical Curvature Analysis Technique - SCAT

Introduction to Dipmeter and wellbore Image logs
Curvature models 
Dip components
Uniform dip analysis
Folded geological structure analysis
Faulted geological structure Analysis
Tangent diagrams

Basic interpretation methods

Clay / Shale type determination
Volume of Shale (Vsh) & Volume of Clay (Vcl) from GR
Volume of shale (Vsh) & Volume of Clay (Vcl) from FDC logs
Porosity (φ) from Sonic logs (Slowness or ITT)
Porosity (φ) from Density logs (FDC)
Porosity (φ) from Neutron logs (CNL)
Water saturation (Sw) from Resistivity and SP logs
Pitfalls of Formation Evaluation
Permeable zones (qualitative interpretation)

Advanced interpretation methods

Combined determination of porosity and rock composition
Logging charts
Cross-plot methods
Introduction shaly-sand interpretation
Fractured reservoir characterisation
Saturation determination
Movable fluids determination
Permeability estimationThin-bed evaluation
Seismic reservoir characterization for Reservoir Modelling
AVO & AVA as it relates to Petrophysics

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Date of Training

09 Apr 2018

Turkeypetrophysicswell logging