This Reference Manual covers visual and numerical log analysis methods for 16 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 shale, bitumen oil sands, laminated reservoirs, tight oil, tight gas, gas hydrates, metamorphic / igneous, geothermal wells, potash assay, sedimentary minerals, helium, water exploration, more ......


RF-02: 227 pages, 16 chapters, detailed table of contents, 20 real-world examples, computer-ready math, access to META/LOG spreadsheet software,

RECOMMENDED 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 Unconventional Petrophysics for Unconventional
1.01 Total Organic Carbon (TOC)
1.02 Visual Analysis of TOC
1.03 Basic TOC and Gc Calculations
1.04 Passey’s “DlogR” TOC Method
1.05 Issler’s TOC Method
1.06 TOC Analysis Examples

2.00 Coal Basics
2.01 Proximate Analysis
2.02 Visual Analysis of Coal
2.03 Coal Analysis Models
2.04 Calculating Coal Properties from Crossplots
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 Immature Oil Shale Basics
5.01 Classifying Oil Shale
5.02 Determining Oil Yield From Samples
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 Oil Sand Basics
6.01 Dean Stark Core Analysis
6.02 Oil Sand Math Models
6.03 Gas Effect Corrections
6.04 Oil 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 Enhanced Shale
7.07 Reservoir Quality from Hester’s Number
7.08 Laminated Sand Analysis Example


8.00 Tight Oil / Shale 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 Fracture Porosity and Permeability
11.02 Metamorphic Rocks
11.03 Igneous Rocks
11.04 Converting Minerals to Rock-Types
11.05 Metamorphic Sand / Granite Example
11.06 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 Assay Basics
13.01 Properties of Potash Minerals
13.02 Potash Mineral Identification Using Crossplots
13.03 Potash Analysis Concepts - Older Logs
13.04 Potash Ore Grade from Gamma Ray Logs
13.05 Potash Analysis Models – Older Logs
13.06 Potash Analysis Models – Modern Logs
13.07 Potash Analysis Examples – Older Logs

14.00 Economic Sedimentary Minerals
15.00 Helium and Other Inert Gases
16.00 Water Resource Analysis


Page Views ---- Since 01 Jan 2015
Copyright 1978 - 2019 E. R. Crain, P.Eng. All Rights Reserved