ABOUT THESE LECTURES
Covers all
topics needed to calculate shale volume, porosity, water saturation,
permeability, and flow capacity from modern
well logs. This is a practical, nononsense course covering both
visual and numerical analysis methods, with numerous realworld
exercises.
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NARRATED SLIDE SHOW
CONTENTS 

LECTURE 1

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
LECTURE 3
LECTURE 4

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 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

Shale, Porosity, Water Saturation

Permeability

Cutoffs, Net Pay, Mappable Properties

Productivity and Reserves

Exercise 1
LECTURE 7

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
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LECTURE 8

Visual Analysis for Lithology

Compatible Scale Logs

Exercise 4

Quantitative Analysis for Lithology

2 and 3 Mineral Models


Effect of Lithology on Water
Saturation Parameters
LECTURE 9

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

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

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
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

