Advanced Well Log Analysis and Interpretation

Kuala Lumpur

13th August 2018

17th August 2018

In Collaboration with Esanda Engineering

Discipline

Petrophysics

Instructor

Course Fee

$4189

Course Overview

Well logs are detailed records of the geologic formations by a borehole. These are comprehensive and important data gathered in any phase of a well’s history to identify petrophysical properties which in turn defines the economic value of a reservoir. The techniques in analysis and interpretation of well logs are therefore essential in identification of oil recovery. In the E&P business, integrated petroleum engineering studies and field development plans are management tools which are used to maximize economic recovery of hydrocarbons. Petrophysical engineers fulfill a key role in analyzing and interpreting subsurface reservoir data, which forms the basis for reservoir models. E&P technical staff and team leaders involved in integrated studies require more than general skills in petrophysical and interpretation techniques to produce quality input to development plans. The trainer will provide understanding of practical and new techniques and tools in well logging with the support of case studies. At the end of the course, participants will be able to quantitatively identify the reservoir quality, measure the storage capacity of the reservoir through integrating the reservoir and petrophysical data and to improve oil recovery.

Who is it for?

The course is designed for all professionals with background and experience in petrophysics, whose job requires more extensive knowledge of core and log relations. They include petrophysicists, well log analysts, geologists, geophysicists, geoscientists, reservoir engineers, petroleum engineers and other E&P professionals.

Course Objectives

  • Drive a consistent and effective Petrophysics inputs to improve oil recovery

  • Understand rock properties and pore geometry

  • Capitalize on integration reservoir and petrophysical data to maximize economic recovery of hydrocarbons

  • Attain the knowledge and practical use of total and effective porosity calculation

  • Determine and understand new techniques and tools in well logging

  • Acquire knowledge on permeability and rock quality interpretation

  • Learn and practice integration of core analysis and open-hole logs

  • Learn from practical experiences and case studies scenarios

Course Outline

Introduction to Petrophysics

  • What is Petrophysics?

  • What are the Rock Physical properties?

  • What is Well Logging?
     

Open-Hole Logging Tools
 

Definition, measurements, application, equations of the following tools:

  • Lithology Tools: GR, NGT, SP

  • Porosity Tools: BHC, FDC, CNL

  • Resistivity Tools: DLL, DIL, MSFL

  • Other Tools: EPT, Dipmeter, RFT


Exercises: Calculations of GR, SP, Sonic, etc.
Introduction to Logging While Drilling (LWD)

  • Lithology Tools

  • Resistivity Tools

  • Porosity Tools


Logging Operations and Quality Control

  • Logging Tools Operations

  • Log Quality Control


Logging Operations and Quality Control

  • Lithology interpretation

  • Porosity calculations

  • Rw determination

  • Petrophysical parameters (a,m,n)

  • Vshale estimation

  • Fluid Saturation

  • Permeability

 

Practical Exercises
Cased-Hole Logging Tools
Definition, measurements, application, equations of the following tools:

  • Thermal Decay Time (TDT, RST)

  • Cement Bond (CBL-VDL)

  • Production Logging (PLT)

 

Recent and Advanced Tools
Definition, measurements, application, equations of the following tools:

  • Geological Tools: FMS, FMI

  • Resistivity Tools: HRLA, ARI, AIT

  • Porosity Tools: APS, LDT, DSI

  • Other Tools: NMR, CMR, MDT, ECS

 

Formation Evaluation

  • Rock Physics (from core and log)

  • Porosity Types

  • Permeability

  • Permeability and Porosity Relationships

  • Fluid Saturation

  • Lithology Interpretation Vsh Calculation

  • Rw determination methods

  • Petrophysical parameters (a,m,n)

  • Archie’s Relationship

  • Core Analysis and Core-Log Relationship

 

Advanced Formation Evaluation

Reservoir Petrophysical Model Evaluation

Modern Approaches and Techniques in Petrophysics

  • Multi-Well Bases Study Using:

    • Multi-Well Data-Base

    • Key Well Study

  • Data Normalization

  • Variable Petrophysical Parameter values

  • Standardization of Petrophysical Parameters

 

Lithology Determination

  • Lithology Model

  • Lithological Parameters

 

Petrophysical Parameters Determination

  • Archie’s Parameters

  • Most Problematic Parameters

  • Old Methods (Constant Value)

  • New Methods (Variable Values)

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