NARRATED SLIDE SHOW CONTENTS

LECTURE 1 - Introduction to Petrophysics

• What is Integrated Petrophysics?

• What is a Log?

• Recording Logs at the Wellsite

• What Do Logs Look Like?

• What Logs Are Available?

• What Answers Can We Get From Logs?

• Uses of Log Analysis Answers

• Some Real World Examples

LECTURE 2 - Logging Tool Theory 1

• Electrical Survey

• Spontaneous Potential

• Induction Logs

• Laterologs

• Micrologs and Microlaterologs

• Gamma Ray Logs

• Caliper Logs

• Thermal Decay Time Logs

LECTURE 3 - Logging Tool Theory 2

• Sonic Logs

• Density and PE Logs

• Neutron Logs

• Nuclear Magnetic Log

• Elemental Capture Spectrography Log

LECTURE 4 - Petrophysical Analysis Concepts

• The Basic Petrophysical Analysis Model

• The Log Response Equation

• Definitions Needed to Understand Petrophysics

• Quicklook Analysis Rules

• Archie’s Laws

• Exercises 0

LECTURE 5 - Visual Analysis of Logs

• Visual Analysis Basics

• Crain’s Rules for Visual Log Analysis

• Visual Analysis for Exercise 1

• Rules for Picking Log Data

• Picking Logs for Exercise 1

LECTURE 6 - Quantitative Anaysis

• Shale, Porosity, Water Saturation

• Permeability

• Cutoffs, Net Pay, Mappable Properties

• Productivity and Reserves

• Exercise 1

LECTURE 7 - Integrating Ground Truth

• Case History - Exercise 1

• Review Results for Exercise #1

• Compare Results to Ground Truth

• Integrate Logs, Cores, and Production History

• Revise Log Analysis Picks and Parameters to Match Ground Truth - Calibration

LECTURE 8 - Lithology Analysis

• Visual Analysis for Lithology

• Compatible Scale Logs

• Exercise 4

• Quantitative Analysis for Lithology

• 2- and 3- Mineral Models

• Pickett Plots

• Effect of Lithology on Water Saturation Parameters

LECTURE 9 - Alternate Porosity Models

• Shale corrected sonic log model

• Shale corrected density log model

• Shale corrected neutron log model

• Nuclear magnetic resonance porosity

• Maximum porosity model

• Water resistivity from DST or water catalog data

• Exercise 2

• Case History

LECTURE 10 - Analyzing Gas Sands

• Compatible Scale Logs for Gas Identification

• Gas Effect in Sandstones and Shaly Sands

• Add gas correction to the shale corrected density neutron complex lithology porosity model

• Exercise 5: Shallow Gas in Clean and Shaly Sands

• Exercise 6: Gas, Depleted Gas, Tar Sands

• Exercise 7: Gas in Clean Sand, Shaly Sand, and Gas Shale/Silt

LECTURE 11 - Radioactive and Low Res Sands

• Basics of Radioactive Sands

• Basics of Low Resistivity Pay Zones

• Exercises 8 Radioactive Sand

• Transition Zones

• Exercises 9 Low Resistivity Sand

LECTURE 12 - Fractured Reservoirs

• Fractured Reservoirs Basics

• Definition of Fractures

• Locating Fractures With Conventional Logs

• Locating Fractures With Image Logs

• Case Histories

• Quantifying Fractures

• Calculating Fracture Intensity

• The Double Porosity Model in Fractured Reservoirs

• Exercise 12

LECTURE 13 - Carbonate Reservoirs

• Special Considerations in Carbonate Reservoir

• Review Fracture Identification Methods

• Secondary Porosity Index

• Gas in Dolomite Problem

• Exercise 3

• Case History

• Exercise 10