This Reference Manual covers all topics needed to calculate shale volume, porosity, lithology, water saturation, permeability, net pay, oil and gas in plave, flow capacity, and initial productivity from modern well logs. This is a practical, no-nonsense eText covering both visual and numerical analysis methods, with numerous real-world exercises.

QUICK FACTS: 230 pages, 12 chapters, 5 appendices, detailed table of contents, 10 real-world exercises to test your skills, computer-ready math,

LEARN how to apply "Crain's Rules" to conventional oil and gas wells.
PRACTICE the step-by-step procedures on real-world exercises.
REVIEW the case histories to see how your results match reality at the well head.
UNDERSTAND the technical and economic benefits of competent petrophysical evaluation of your assets.

SUITABLE FOR: all geoscientists, geotechs, engineers, managers and CEO's.

AV-01 Crain's Practical Quantitative Petrophysics

Put my 50 years of practical petrophysical experience to work for you.


License:   Single-User • Corporate Academicf



1.00 Introduction Quantitative Log Analysis
1.01 What Is A Log?
1.02 Organizing Your Work
1.03 Calculators and the Math Hierarchy

2.00 The Step by Step Procedure
2.01 The Analysis Model
2.02 The Formation Rock Model with Definitions
2.03 The Log Response Equation
2.04 Using The Log Response Equation
2.05 Integration – Calibrating to Ground Truth

3.00 Eyeball Analysis Of Logs - Crain’s Rules
3.01 General Rules For Picking Log Data
3.02 Selection of Log Interpretation Parameters

4.00 Shale Volume

5.00 Pore Volume
5.01 Porosity From The Sonic Log
5.02 Porosity From The Density Log
5.03 Porosity From The Neutron Log
5.04 Porosity From The Complex Lithology Density Neutron Crossplot
5.05 Porosity From The Dual Water Density
Neutron Crossplot
5.06 Porosity From The Photoelectric Density Neutron Crossplot
5.07 Material Balance for Porosity (Maximum Porosity)
5.08 Useful Porosity
5.09 Porosity From The Nuclear Magnetic Resonance Log
5.10 Fracture Porosity
5.11 Porosity from Old ES Logs

6.00 Lithologic Analysis of Matrix Rock Volume
6.01 Two Mineral Lithology From Matrix Density
6.02 Lithology From Sonic Density Neutron Data
6.03 Lithology From PE Density Neutron Log
6.04 Lithology From Spectral Gamma Ray Log
6.05 Elastic Constants / Mechanical Properties


7.00 Formation Water Resistivity
7.01 Water Resistivity From Catalog or DST
7.02 Water Resistivity From Water Zone (Rwa)
7.03 Water Resistivity From SP


8.00 Water and Hydrocarbon Saturation
8.01 Determination of Saturation Parameters A, M, N
8.02 Water Saturation from Archie Method
8.03 Water Saturation from Simandoux
8.04 Water Saturation from Dual Water
8.05 Water Saturation from Buckles Number
8.06 Irreducible Water Saturation
8.07 Moveable Oil Saturation

9.00 Permeability and Productivity
9.01 Permeability from the Wyllie-Rose
9.02 Permeability from Porosity
9.03 Permeability from the Coates Method
9.04 Fracture Permeability

10.00 Summarizing Results
10.01 Cumulative and Average Reservoir Properties
10.02 Fluid Properties and Reserves
10.03 Productivity Index and Water Cut

11.00 Beyond Log Analysis
11.01 Drill Stem Tests
11.02 Production Projection and Cash Flow

12.00 Case Histories / Numerical Exercises
12.01 Cretaceous Glauconitic Sand
12.02 Triassic Dolomitic Sand
12.03 Devonian Carbonate Reef

Visual Analysis Exercises:
Clean and Shaly Sands,
Dolomitic Sand,
Dolomite Reef,
Tar Sands,
Gas Sands,
Depleted Gas,
Radioactive Sands,
Low Resistivity Pay,
Depleted Oil,
Fractured Reservoirs

Fractured Reservoirs,
Core Analysis,
Tar Sands,
Shale and Clay Basics,
Porosity Basics


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