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, no-nonsense course covering both visual and numerical analysis methods, with numerous real-world 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

  • Electrical Survey

  • Spontaneous Potential

  • Induction Logs

  • Laterologs

  • Micrologs and Microlaterologs

  • Gamma Ray Logs

  • Caliper Logs

  • Thermal Decay Time Logs

LECTURE 3

  • Sonic Logs

  • Density and PE Logs

  • Neutron Logs

  • Nuclear Magnetic Log

  • Elemental Capture Spectrography Log

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

  • Pickett Plots

  • 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

  • Special Considerations in Carbonate Reservoir

  • Review Fracture Identification Methods

  • Secondary Porosity Index

  • Gas in Dolomite Problem

  • Exercise 3

  • Case History

  • Exercise 10


 

 

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