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Advanced Petrophysics and Formation Evaluation: Istanbul


Advanced Petrophysics and Formation Evaluation: Istanbul

Course overview

The course is primarily intended for junior petrophysical staff to augment the skills that they should have already acquired during basic training. The course is also suitable for participants from other disciplines, who wish to have more insight into more advanced petrophysical analysis methods. Such participants should be familiar with basic petrophysical principles and will typically have 2 to 5 years or more working experience in a geoscience or reservoir engineering function.

The course is designed for:

The main emphasis during the course is on practical application rather than extensive discussion around the theoretical background.

The importance of the interaction between seismology, geology, petrophysics and reservoir engineering will be emphasised and illustrated.

All of the topics covered will be accompanied by a relevant exercise, which will be carried out using pre-programmed Excel spreadsheets that mimic the functionality of commercial log interpretation software. All participants will need to provide their own laptop with Excel (v2010 or later).

Exploration Geologists

Production Geologists

Well-site Geologists

Operations Geologists

Well Data Managers




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

Review of logging tools and evaluation methods

Fundamentals of Formation EvaluationThe borehole and its environmentGamma ray and Spontaneous Potential logsNuclear and sonic porosity toolsResistivity measurement toolsImaging methodsLWD and MWD techniques

Basic interpretation methods

Picket Plots Volume of shale (Vsh) & volume of clay (Vcl) from gamma ray and density/neutron logsEffective and total porosity Visual quick-look interpretation of different formations and pore fillShaly sand analysis for total porosity systems using Waxman Smits, Dual Water and Juhasz equationsHydrocarbon differentiation methodsThin-bed laminated systems evaluationCut-off criteria

Capillary pressure and saturation height functions

Capillary pressure principlesMeasurement methodsConversion from laboratory to reservoirSaturation height functions and reservoir simulation

Permeability prediction methods

Permeability prediction (including NMR logging) Statistical considerationsUncertainty analysis

Carbonate systems and probabilistic methods

Carbonate reservoir geology and rock typesProbabilistic interpretation methods

Wellbore seismic applications

Time to depth conversionSingle well syntheticsSeismic reservoir characterization for reservoir modelling


Petrophysical support for geothermal projects, tight gas reservoirs and shale oil/gas projects

Coring and core analysis techniques

Coring and core investigationsCore-to-log data integrationRCAL and SCAL methods

Wireline formation testing

Pressure test methods and analysisFluid sample analysis

Shaly sand interpretation methods

Clastic reservoir geology and clay typesEffective porosity systems using Simandoux and Indonesian equations

Map Istanbul, Turkey
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