This Reference Manual covers visual and numerical log analysis methods for 13 different topics related to unconventional reservoir evaluation.  A case specific petrophysical model for each unconventional reservoir is provided. Topics include total organic carbon, coal, coal bed methane, gas shale, oil ahale, tar sSand,  laminated reservoirs, tight oil, ight gas, gas hydrates, metamorphic / igneous, and more ......

QUICK FACTS: 208 pages, 13 chapters, detailed table of contents, 10 real-world exercises to test your skills, computer-ready math, unique solutions for each unique situation.

LEARN how to apply "Crain's Rules" to unconventional 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-03 Crain's Analyzing Unconventional Reservoirs 

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


License:   Single-User • Corporate Academic



1.00 Total Organic Carbon (TOC)
1.01 Visual Analysis of TOC
1.02 Passey’s “DlogR” TOC Method
1.03 Issler’s TOC Method
1.04 TOC Analysis Examples

2.00 Coal Basics 13
2.01 Proximate Analysis
2.02 Visual Analysis of Coal
2.03 Coal Analysis Models
2.04 Calculating Coal Properties from Logs
2.05 Coal Analysis Examples

3.00 Coal Bed Methane Basics
3.01 Sorption Isotherms For Coal Bed Methane
3.02 Gas Content from Core or Samples
3.03 CBM Gas In Place
3.04 CBM Gas Content Models
3.05 CBM Analysis Example

4.00 Gas Shale Basics
4.01 Sorption Isotherms For Shale Gas
4.02 Adsorbed Gas In Place
4.03 Log Analysis Model for Gas Shale
4.04 Shale Volume in Gas Shale
4.05 Kerogen Voplume in Gas Shale
4.06 Effective Porosity in Gas Shale
4.07 Water Saturation in Gas Shale
4.08 Calibration to Core Data
4.09 Free Gas in Place
4.10 Multi-Mineral Model for Gas Shales
4.11 Gas Shale Analysis Example

5.00 Oil Shale Basics
5.01 Classifying Oil Shales
5.02 Oil Yield from Fischer Assay
5.03 Oil Yield From Log Analysis
5.04 Multiple Regression Models
5.05 Multi Mineral Models
5.06 Oil Shale Analysis Example

6.00 Tar Sand Basics
6.01 Tar Sand Math Models
6.02 Dean Stark Core Analysis
6.03 Tar Sand Permeability
6.04 Tar Cutoffs and Pay Flags
6.05 Tar In Place
6.06 Tar Sand Analysis Examples

7.00 Laminated Reservoir Basics
7.01 Resistivity in Anisotropic Reservoirs
7.02 3-D Induction Logs
7.03 3-D Induction Logs In Dipping Beds
7.04 Alternate Models – Laminated Shaly Sands
7.05 Laminated Shaly Sand Quality Indicators
7.06 Reservoir Quality from Hester’s Number
7.07 Laminated Sand Analysis Example



8.00 Tight Oil Basics
8.01 Bakken Geology
8.02 Shale Volume
8.03 Porosity
8.04 Water Saturation
8.05 Permeability
8.06 Lithology
8.07 Pyrite Corrections
8.08 Reservoir Quality in Tight Oil
8.09 Tight Oil Examples

9.00 Tight Gas Basics
9.01 Tight Gas Geology
9.02 Shale Volume
9.03 Porosity
9.04 Water Saturation
9.05 Permeability
9.06 Lithology
9.07 Pyrite Corrections
9.08 Tight Gas Examples

10.00 Permafrost Basics
10.01 Gas Hydrate Basics
10.02 Drilling and Production Hazards
10.03 Logging Analysis in Gas Hydrates
10.04 Gas Hydrate Volume
10.05 Gas Hydrate Example

11.00 Igneous and Metamorphic Basics
11.01 Metamorphic Rocks
11.02 Igneous Rocks
11.03 Metamorphic Sand / Granite Example
11.04 Porous Fractured Granite Example

12.00 Geothermal Reservoir Basics
12.01 Types of Geothermal Reservoirs
12.02 Geothermal Reservoirs in Canada and USA
12.03 Log Analysis In Geothermal Reservoirs
12.04 Geothermal Examples

13.00 Potash Basics
13.01 Properties of Potash
13.02 Potash Analysis Concepts - Older Logs
13.03 Potash Ore Grade from Gamma Ray Logs
13.04 Potash Analysis Models – Older Logs
13.05 Potash Analysis Models – Modern Logs
13.06 Potash Analysis Examples – Older Logs

Appendix 1: Multi-Mineral Models
Appendix 2: Table of Rock Properties


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